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CVT System Symptom Troubleshooting Index (CVT)

NOTE: Do an all DTC check with the HDS, and troubleshoot any DTCs first before following the repair procedures listed in the index.

Symptom	Probable cause(s)	Notes
When the vehicle in the ON mode, the A/T gear position indicator displays an improper indication, or it never displays at all	F-CAN communication line error Gauge control module defective PCM defective	Check the F-CAN communication line . Check the F-CAN communication line by using the gauge control module self-diagnostic function . Check the indicator drive circuit in the gauge control module by using the gauge control module self-diagnostic function .
A/T gear position indicator does not indicate with the shift lever in that position/mode	F-CAN communication line error Gauge control module defective Transmission range switch defective or out of adjustment Shift cable broken or out of adjustment PCM defective	Check the F-CAN communication line . Check the F-CAN communication line by using the gauge control module self-diagnostic function . Check the indicator drive circuit in the gauge control module by using the gauge control module self-diagnostic function . Inspect the transmission range switch . Check for a loose shift cable at the shift lever and the transmission control lever.
Shift lever cannot be moved from P position/mode while pressing on the brake pedal	Shift lock solenoid defective Shift lock solenoid control circuit Shift lock mechanism defective Brake pedal position switch circuit Brake pedal position switch defective Accelerator pedal position sensor circuit Accelerator pedal position sensor defective Transmission range switch ATPP switch stuck OFF Transmission range switch ATPP switch line opened Relative throttle position sensor value too high Throttle body defective	Troubleshoot the shift lock system circuit . Test the shift lock solenoid . Inspect the transmission range switch . Inspect the APP sensor signal . Reset the PCM .
A/T gear position indicator does not work	F-CAN communication line error Gauge control module defective Transmission range switch defective or out of adjustment PCM defective	Check the F-CAN communication line . Check the F-CAN communication line by using the gauge control module self-diagnostic function . Check the indicator drive circuit in the gauge control module by gauge control module self-diagnostic function . Inspect the transmission range switch .
When you press the paddle shifter + (upshift switch) in D or S position/mode, the transmission does not upshift (with paddle shifter)	A problem in the paddle shifter + (upshift switch) circuit	Troubleshoot the paddle shifter + (upshift switch) circuit .

Symptom	Probable cause(s)	Notes
When you press the paddle shifter - (downshift switch) in D or S position/mode, the transmission does not downshift (with paddle shifter)	A problem in the paddle shifter - (downshift switch) circuit	Troubleshoot the paddle shifter - (downshift switch) circuit .
M indicator does not come on even though the paddle shifter is operated in the S-paddle shift mode (with paddle shifter)	F-CAN communication line error Gauge control module defective PCM defective Transmission range switch defective or out of adjustment	Check the F-CAN communication line . Check the F-CAN communication line by using the gauge control module self-diagnostic function . Check the indicator drive circuit in the gauge control module by using the gauge control module self-diagnostic function . Inspect the transmission range switch .
HDS does not communicate with the PCM	DLC circuit error PCM defective	Troubleshoot the DLC circuit
Engine does not start	Shift cable broken or out of adjustment Transmission range switch defective or out of adjustment Torque converter assembly defective Drive plate defective	Check for a loose shift cable at the shift lever and the transmission control lever. Inspect the transmission range switch . Inspect the torque converter assembly for wear and damage.

Symptom	Probable cause(s)	Notes
Engine runs, but vehicle does not move in any positions/modes	Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged Transmission fluid feed pipe worn, damaged, or out of round Input shaft worn or damaged Secondary drive gear or secondary driven gear worn or damaged Final driven gear worn or damaged Sun gear worn or damaged Control shaft assembly worn or damaged Control lever worn or damaged Park pawl and pawl shaft worn or damaged Manual valve lever and lever pin worn or damaged Transmission fluid pump worn, binding, or foreign material in transmission fluid pump Transmission fluid pump drive chain or transmission fluid pump drive/driven sprocket worn or damaged Low transmission fluid (HCF-2) level Transmission fluid strainer or transmission fluid filter clogged Valve body assembly defective Transmission range switch defective or out of adjustment Torque converter assembly defective Engine output low Stator shaft worn or damaged Axle damaged or worn	Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly . Check the transmission fluid feed pipe for wear, damage, and out of round. Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage. Check the secondary drive gear, the secondary driven gear, and the final driven gear for wear and damage. Check the final driven gear for wear and damage. Check the sun gear for wear and damage. If the sun gear is worn or damaged, replace it and also check the planetary carrier pinion gears, the forward clutch, and the drive pulley shaft splines for wear and damage. Check the control shaft assembly for wear and damage. Check the control lever for wear and damage. Check the park pawl and the pawl shaft for wear and damage. If the park pawl or the pawl shaft are worn or damaged, replace them and also check the park gear for wear and damage. Check the manual valve lever and the lever pin for wear and damage. Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly . Check the transmission fluid pump drive chain and the transmission fluid pump drive/driven sprocket for wear and damage. Check the transmission fluid (HCF-2) level . Check the transmission fluid strainer and the transmission fluid filter for debris. If the transmission fluid strainer or the transmission fluid filter is clogged, find the damaged components that caused debris. Check the valve body assembly for wear and damage. Inspect the transmission range switch . Inspect the torque converter assembly for wear and damage. Check the stator shaft for wear and damage.

Symptom	Probable cause(s)	Notes
Vehicle does not move in D, S, or L positions/modes	Forward clutch assembly defective Reverse brake piston stuck Sun gear worn or damaged Shift cable broken or out of adjustment Manual valve lever and lever pin worn or damaged Valve body assembly defective Transmission range switch defective or out of adjustment Engine output low Stator shaft worn or damaged	Inspect the clearance between the forward clutch end-plate and the top disc . Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc . If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate. Check the sun gear for wear and damage. If the sun gear is worn or damaged, replace it and also check the planetary carrier pinion gears, the forward clutch, and the drive pulley shaft splines for wear and damage. Check for a loose shift cable at the shift lever and the transmission control lever. Check the manual valve lever and lever pin for wear and damage. Check the valve body assembly for wear and damage. Inspect the transmission range switch . Check the stator shaft for wear and damage.

Symptom	Probable cause(s)	Notes
Vehicle does not move in R position/mode	Forward clutch assembly defective Reverse brake defective Reverse brake piston stuck Planetary carrier worn or damaged Sun gear worn or damaged Ring gear worn or damaged Thrust needle bearing or thrust washers on planetary carrier seized, worn or damaged Thrust washer on planetary carrier seized, worn, or damaged Shift cable broken or out of adjustment Manual valve lever and lever pin worn or damaged Valve body assembly defective Transmission range switch defective or out of adjustment Stator shaft worn or damaged	Inspect the clearance between the forward clutch end-plate and the top disc . Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc . If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate. Check the planetary carrier for wear and damage. If the planetary carrier is worn or damaged, replace it and also check the planetary carrier pinion gears, the reverse brake, and the drive pulley shaft splines for wear and damage. Check the sun gear for wear and damage. If the sun gear is worn or damaged, replace it and also check the planetary carrier pinion gears, the forward clutch, and the drive pulley shaft splines for wear and damage. Check the ring gear for wear and damage. If the ring gear is worn or damaged, replace it and also check the planetary carrier and the reverse brake for wear and damage. Check the thrust needle bearing and the thrust washers on the planetary carrier for wear and damage. If the thrust needle bearing or the thrust washer are worn or damaged, replace them and adjust the clearance with the thrust shim. Check for a loose shift cable at the shift lever and the transmission control lever. Check the manual valve lever and lever pin for wear and damage. Check the valve body assembly for wear and damage. Inspect the transmission range switch . Check the stator shaft for wear and damage.
Engine stops when shifted to D position/mode from N position/mode	Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged Reverse brake defective Reverse brake piston stuck Torque converter assembly defective Engine output low	Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly. Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc . If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate. Inspect the torque converter assembly for wear and damage.

Symptom	Probable cause(s)	Notes
Engine stops when shifted to R position/mode from N position/mode	Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged Forward clutch assembly defective Planetary carrier worn or damaged Thrust needle bearing on planetary carrier seized, worn or damaged Thrust washer on planetary carrier seized, worn, or damaged Torque converter assembly defective Engine output low	Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly . Inspect the clearance between the forward clutch end-plate and the top disc . Check the planetary carrier for wear and damage. If the planetary carrier is worn or damaged, replace it and also check the planetary carrier pinion gears, the reverse brake, and the drive pulley shaft splines for wear and damage. Check the thrust needle bearing and the thrust washers on the planetary carrier for wear and damage. If the thrust needle bearing or the thrust washer are worn or damaged, replace them and adjust the clearance with the thrust shim. Inspect the torque converter assembly for wear and damage.
No shift to higher or lower ratio	Drive pulley, driven pulley, pulley shaft, pulley belt, and pulley related parts worn or damaged Transmission fluid feed pipe worn, damaged, or out of round Transmission fluid pump worn, binding, or foreign material in transmission fluid pump Low transmission fluid (HCF-2) level Transmission fluid strainer or transmission fluid filter clogged Valve body assembly defective Stator shaft worn or damaged Solenoid wire harness worn or damaged PCM defective	Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly . Check the transmission fluid feed pipe for wear, damage, and out of round. Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly. Check the transmission fluid (HCF-2) level . Check the transmission fluid strainer and the transmission fluid filter for debris. If the transmission fluid strainer or the transmission fluid filter is clogged, find the damaged components that caused debris. Check the valve body assembly for wear and damage. Check the stator shaft for wear and damage. Inspect the solenoid wire harness for open and short.
Poor acceleration	Drive pulley, driven pulley, pulley shaft, pulley belt, and pulley related parts worn or damaged Transmission fluid feed pipe worn, damaged, or out of round Transmission fluid pump worn, binding, or foreign material in transmission fluid pump Valve body assembly defective CVT drive pulley speed sensor defective Torque converter assembly defective Engine output low Stator shaft worn or damaged Solenoid wire harness worn or damaged PCM defective	Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly . Check the transmission fluid feed pipe for wear, damage, and out of round. Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly . Check the valve body assembly for wear and damage. Check the CVT drive pulley speed sensor for wear and damage, and also check the O-ring for wear and damage. Inspect the torque converter assembly for wear and damage. Check the stator shaft for wear and damage. Inspect the solenoid wire harness for open and short.

Symptom	Probable cause(s)	Notes
Engine revs up abnormally high while driving, and no acceleration	Low transmission fluid (HCF-2) level Drive pulley, driven pulley, pulley shaft, pulley belt, and pulley related parts worn or damaged Transmission fluid feed pipe worn, damaged, or out of round Forward clutch assembly defective Reverse brake defective Reverse brake piston stuck Transmission fluid pump worn, binding, or foreign material in transmission fluid pump Transmission fluid pump drive chain or transmission fluid pump drive/driven sprocket worn or damaged Valve body assembly defective Stator shaft worn or damaged Solenoid wire harness worn or damaged PCM defective	Check the transmission fluid (HCF-2) level . Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly . Check the transmission fluid feed pipe for wear, damage, and out of round. Inspect the clearance between the forward clutch end-plate and the top disc . Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc . If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate. Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly . Check the transmission fluid pump drive chain and the transmission fluid pump drive/driven sprocket for wear and damage. Check the valve body assembly for wear and damage. Check the stator shaft for wear and damage. Inspect the solenoid wire harness for open and short.
Excessive shock when accelerating and decelerating	Drive pulley, driven pulley, pulley shaft, pulley belt, and pulley related parts worn or damaged Transmission fluid feed pipe worn, damaged, or out of round Forward clutch assembly defective Reverse brake defective Reverse brake piston stuck Low transmission fluid (HCF-2) level Transmission fluid (HCF-2) deteriorated Valve body assembly defective Torque converter assembly defective Stator shaft worn or damaged PCM defective Worn or damaged engine mounts	Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly . Check the transmission fluid feed pipe for wear, damage, and out of round. Inspect the clearance between the forward clutch end-plate and the top disc . Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc . If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate. Check the transmission fluid (HCF-2) level . Check the transmission fluid (HCF-2) condition. If necessary, replace the transmission fluid (HCF-2) . Check the valve body assembly for wear and damage. Inspect the torque converter assembly for wear and damage. Check the stator shaft for wear and damage. Check the engine mounts for wear and damage.

Symptom	Probable cause(s)	Notes
No engine braking	Drive pulley, driven pulley, pulley shaft, pulley belt, and pulley related parts worn or damaged Transmission fluid feed pipe worn, damaged, or out of round Valve body assembly defective Stator shaft worn or damaged Solenoid wire harness worn or damaged PCM defective	Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly . Check the transmission fluid feed pipe for wear, damage, and out of round. Check the valve body assembly for wear and damage. Check the stator shaft for wear and damage. Inspect the solenoid wire harness for open and short.
Vehicle does not creep on a flat road in D, S, or L positions/modes	Inclination sensor out of adjustment Drive pulley, driven pulley, pulley shaft, pulley belt, and pulley related parts worn or damaged Transmission fluid feed pipe worn, damaged, or out of round Transmission fluid pump worn, binding, or foreign material in transmission fluid pump Low transmission fluid (HCF-2) level Transmission fluid strainer or transmission fluid filter clogged Valve body assembly defective CVT drive pulley speed sensor defective Stator shaft worn or damaged Solenoid wire harness worn or damaged Torque converter assembly defective Engine output low PCM defective	Do the inclination sensor initial learn procedure . Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly . Check the transmission fluid feed pipe for wear, damage, and out of round. Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly . Check the transmission fluid (HCF-2) level . Check the transmission fluid strainer and the transmission fluid filter for debris. If the transmission fluid strainer or the transmission fluid filter is clogged, find the damaged components that caused debris. Check the valve body assembly for wear and damage. Check the CVT drive pulley speed sensor for wear and damage, and also check the O-ring for wear and damage. Check the stator shaft for wear and damage. Inspect the solenoid wire harness for open and short. Inspect the torque converter assembly for wear and damage.
Vehicle moves in N position/mode, shift cable is properly adjusted	Forward clutch assembly defective Reverse brake defective Reverse brake piston stuck Reverse brake return springs/retainer worn or damaged Input shaft thrust needle bearing seized, worn or damaged Manual valve lever and lever pin worn or damaged Stator shaft worn or damaged	Inspect the clearance between the forward clutch end-plate and the top disc . Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc . If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate. Inspect the input shaft assembly for wear and damage. If the input shaft or the input shaft thrust needle bearings are worn or damaged, replace them and also check the related part of the input shaft assembly for wear and damage. Check the manual valve lever and lever pin for wear and damage. Check the stator shaft for wear and damage.

Symptom	Probable cause(s)	Notes
Late shift after shifting to D position/mode from N position/mode, and return to N position/mode	Forward clutch assembly defective Shift cable broken or out of adjustment Manual valve lever and lever pin worn or damaged Low transmission fluid (HCF-2) level Transmission fluid strainer or transmission fluid filter clogged Valve body assembly defective Transmission fluid feed pipe worn, damaged, or out of round Transmission range switch defective Stator shaft worn or damaged Torque converter turbine speed sensor defective PCM defective	Inspect the clearance between the forward clutch end-plate and the top disc . Check for a loose shift cable at the shift lever and the transmission control lever. Check the manual valve lever and lever pin for wear and damage. Check the transmission fluid (HCF-2) level . Check the transmission fluid strainer and the transmission fluid filter for debris. If the transmission fluid strainer or the transmission fluid filter is clogged, find the damaged components that caused debris. Check the Valve body assembly for wear and damage. Check the transmission fluid feed pipe for wear, damage, and out of round. Inspect the transmission range switch . Check the stator shaft for wear and damage. Check the torque converter turbine speed sensor for wear and damage, and also check the O-ring for wear and damage.
Late shift after shifting to R position/mode from N position/mode, and return to N position/mode	Reverse brake defective Reverse brake piston stuck Shift cable broken or out of adjustment Manual valve lever and lever pin worn or damaged Low transmission fluid (HCF-2) level Transmission fluid strainer or transmission fluid filter clogged Valve body assembly defective Transmission fluid feed pipe worn, damaged, or out of round Transmission range switch defective or out of adjustment Stator shaft worn or damaged Torque converter turbine speed sensor defective PCM defective	Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc . If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate. Check for a loose shift cable at the shift lever and the transmission control lever. Check the manual valve lever and lever pin for wear and damage. Check the transmission fluid (HCF-2) level . Check the transmission fluid strainer and the transmission fluid filter for debris. If the transmission fluid strainer or the transmission fluid filter is clogged, find the damaged components that caused debris. Check the valve body assembly for wear and damage. Check the transmission fluid feed pipe for wear, damage, and out of round. Inspect the transmission range switch . Check the stator shaft for wear and damage. Check the torque converter turbine speed sensor for wear and damage, and also check the O-ring for wear and damage.

Symptom	Probable cause(s)	Notes
Unstable engine speed	Drive pulley, driven pulley, pulley shaft, pulley belt, and pulley related parts worn or damaged Transmission fluid feed pipe worn, damaged, or out of round Forward clutch assembly defective Reverse brake defective Transmission fluid pump worn, binding, or foreign material in transmission fluid pump Low transmission fluid (HCF-2) level Transmission fluid strainer or transmission fluid filter clogged Transmission fluid (HCF-2) deteriorated Valve body assembly defective CVT drive pulley pressure control solenoid valve defective CVT driven pulley pressure control solenoid valve defective CVT clutch pressure control solenoid valve defective CVT lock-up clutch control solenoid valve defective Shift solenoid valve B defective Torque converter assembly defective PCM defective	Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly . Check the transmission fluid feed pipe for wear, damage, and out of round. Inspect the clearance between the forward clutch end-plate and the top disc . Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc . If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate. Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly. Check the transmission fluid (HCF-2) level . Check the transmission fluid strainer and the transmission fluid filter for debris. If the transmission fluid strainer or the transmission fluid filter is clogged, find the damaged components that caused debris. Check the valve body assembly for wear and damage. Inspect the CVT drive pulley pressure control solenoid valve . Inspect the CVT driven pulley pressure control solenoid valve . Inspect the CVT clutch pressure control solenoid valve defective . Inspect the CVT lock-up clutch control solenoid valve . Inspect shift solenoid valve B . Inspect the torque converter assembly for wear and damage.
Excessive shock when starting off	Transmission fluid feed pipe worn, damaged, or out of round Forward clutch assembly defective Reverse brake defective Reverse brake piston stuck Low transmission fluid (HCF-2) level Transmission fluid strainer or transmission fluid filter clogged Transmission fluid (HCF-2) deteriorated Valve body assembly defective PCM defective	Check the transmission fluid feed pipe for wear, damage, and out of round. Inspect the clearance between the forward clutch end-plate and the top disc . Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc . If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate. Check the transmission fluid (HCF-2) level . Check the transmission fluid strainer and the transmission fluid filter for debris. If the transmission fluid strainer or the transmission fluid filter is clogged, find the damaged components that caused debris. Check the transmission fluid (HCF-2) condition. If necessary, replace the transmission fluid (HCF-2) . Check the valve body assembly for wear and damage.

Symptom	Probable cause(s)	Notes
Vibration in all positions	Input shaft worn or damaged Torque converter assembly defective Engine output low Worn or damaged engine mounts	Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage. Inspect the torque converter assembly for wear and damage. Check the engine mounts for wear and damage.
Excessive idle vibration in R, D, S, or L positions/modes	Drive pulley, driven pulley, pulley shaft, pulley belt, and pulley related parts worn or damaged Forward clutch assembly defective Input shaft worn or damaged Reverse brake defective Reverse brake piston stuck Thrust needle bearing or thrust washers on planetary carrier seized, worn or damaged Valve body assembly defective Transmission fluid feed pipe worn, damaged, or out of round Torque converter assembly defective Engine output low Solenoid wire harness worn or damaged PCM defective	Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly . Inspect the clearance between the forward clutch end-plate and the top disc . Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage. Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc . If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate. Check the thrust needle bearing and the thrust washers on the planetary carrier for wear and damage. If the thrust needle bearing or the thrust washer are worn or damaged, replace them and adjust the clearance with the thrust shim. Check the valve body assembly for wear and damage. Check the transmission fluid feed pipe for wear, damage, and out of round. Inspect the torque converter assembly for wear and damage. Inspect the solenoid wire harness for open and short.
Excessive idle vibration in N and P positions/modes	Forward clutch assembly defective Input shaft worn or damaged Reverse brake defective Torque converter assembly defective Engine output low PCM defective	Inspect the clearance between the forward clutch end-plate and the top disc . Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage. Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc . If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate. Inspect the torque converter assembly for wear and damage.

Symptom	Probable cause(s)	Notes
Noise from transmission in N and P positions/modes	Forward clutch assembly defective Input shaft worn or damaged Reverse brake defective Planetary carrier worn or damaged Sun gear worn or damaged Ring gear worn or damaged Thrust needle bearing on planetary carrier seized, worn or damaged Thrust washer on planetary carrier seized, worn or damaged Transmission fluid pump worn, binding, or foreign material in transmission fluid pump PCM defective	Inspect the clearance between the forward clutch end-plate and the top disc . Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage. Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc . If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate. Check the planetary carrier for wear and damage. If the planetary carrier is worn or damaged, replace it and also check the planetary carrier pinion gears, the reverse brake, and the drive pulley shaft splines for wear and damage. Check the sun gear for wear and damage. If the sun gear is worn or damaged, replace it and also check the planetary carrier pinion gears, the forward clutch, and the drive pulley shaft splines for wear and damage. Check the ring gear for wear and damage. If the ring gear is worn or damaged, replace it and also check the planetary carrier and the reverse brake for wear and damage. Check the thrust needle bearing and the thrust washers on the planetary carrier for wear and damage. If the thrust needle bearing or the thrust washer are worn or damaged, replace them and adjust the clearance with the thrust shim. Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly.
Noise from transmission in D, S, or L positions/modes	Input shaft worn or damaged Secondary drive/driven gear worn or damaged Final driven gear worn or damaged Control shaft assembly worn or damaged Park pawl and pawl shaft worn or damaged	Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage. Check the secondary drive/driven gear for wear and damage. Check the final driven gear for wear and damage. Check the control shaft assembly for wear and damage. If the control shaft assembly is worn or damaged, replace it as an assembly. Check the park pawl and the pawl shaft for wear and damage. If the park pawl or the pawl shaft are worn or damaged, replace them and also check the park gear for wear and damage.

Symptom	Probable cause(s)	Notes
Noise from transmission in R position/mode	Input shaft worn or damaged Reverse brake defective Reverse brake piston stuck Reverse brake return springs/retainer worn or damaged Input shaft thrust needle bearing seized, worn or damaged Planetary carrier worn or damaged Sun gear worn or damaged Ring gear worn or damaged Thrust needle bearing on planetary carrier seized, worn or damaged Thrust washer on planetary carrier seized, worn or damaged Control shaft assembly worn or damaged Park pawl and pawl shaft worn or damaged	Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage. Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc . If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate. Check the planetary carrier for wear and damage. If the planetary carrier is worn or damaged, replace it and also check the planetary carrier pinion gears, the reverse brake, and the drive pulley shaft splines for wear and damage. Check the sun gear for wear and damage. If the sun gear is worn or damaged, replace it and also check the planetary carrier pinion gears, the forward clutch, and the drive pulley shaft splines for wear and damage. Check the ring gear for wear and damage. If the ring gear is worn or damaged, replace it and also check the planetary carrier and the reverse brake for wear and damage. Check the thrust needle bearing and the thrust washers on the planetary carrier for wear and damage. If the thrust needle bearing or the thrust washer are worn or damaged, replace them and adjust the clearance with the thrust shim. Check the control shaft assembly for wear and damage. If the control shaft assembly is worn or damaged, replace it as an assembly. Check the park pawl and the pawl shaft for wear and damage. If the park pawl or the pawl shaft are worn or damaged, replace them and also check the park gear for wear and damage.

Symptom	Probable cause(s)	Notes
Stall speed high	Forward clutch assembly defective Input shaft worn or damaged Reverse brake defective Transmission fluid pump worn, binding, or foreign material in transmission fluid pump Low transmission fluid (HCF-2) level Transmission fluid (HCF-2) deteriorated Valve body assembly defective Transmission fluid feed pipe worn, damaged, or out of round Torque converter assembly defective Stator shaft worn or damaged PCM defective	Inspect the clearance between the forward clutch end-plate and the top disc . Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage. Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc . If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate. Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly . Check the transmission fluid (HCF-2) level . Check the transmission fluid (HCF-2) condition. If necessary, replace the transmission fluid (HCF-2) . Check the valve body assembly for wear and damage. Check the transmission fluid feed pipe for wear, damage, and out of round. Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly . Check the stator shaft for wear and damage.
Stall speed low	Valve body assembly defective Transmission fluid feed pipe worn, damaged, or out of round Torque converter assembly defective Engine output low Stator shaft worn or damaged PCM defective	Check the valve body assembly for wear and damage. Check the transmission fluid feed pipe for wear, damage, and out of round. Inspect the torque converter assembly for wear and damage. Check the stator shaft for wear and damage.
Judder when starting off	Transmission fluid pump worn, binding, or foreign material in transmission fluid pump Low transmission fluid (HCF-2) level Transmission fluid (HCF-2) deteriorated Transmission fluid strainer or transmission fluid filter clogged Valve body assembly defective Transmission fluid feed pipe worn, damaged, or out of round	Check the transmission fluid pump assembly for wear and damage. If the transmission fluid pump assembly is worn or damaged, replace it as an assembly. Check the transmission fluid (HCF-2) level . Check the transmission fluid (HCF-2) condition. If necessary, replace the transmission fluid (HCF-2) . Check the transmission fluid strainer and the transmission fluid filter for debris. If the transmission fluid strainer or the transmission fluid filter is clogged, find the damaged components that caused debris. Check the valve body assembly for wear and damage. Check the transmission fluid feed pipe for wear, damage, and out of round.

Symptom	Probable cause(s)	Notes
Shift lever does not operate smoothly	Control shaft assembly worn or damaged Control lever worn or damaged Park pawl and pawl shaft worn or damaged Shift cable broken or out of adjustment Manual valve lever and lever pin worn or damaged Transmission range switch defective or out of adjustment Stator shaft worn or damaged	Check the control shaft assembly for wear and damage. If the control shaft assembly is worn or damaged, replace it as an assembly. Check the control lever for wear and damage. Check the park pawl and the pawl shaft for wear and damage. If the park pawl or the pawl shaft are worn or damaged, replace them and also check the park gear for wear and damage. Check for a loose shift cable at the shift lever and the transmission control lever . Check the manual valve lever and the lever pin for wear and damage. Inspect the transmission range switch . Check the stator shaft for wear and damage.
Transmission will not shift into P position/mode, or transmission cannot shift out of P position/mode	Control shaft assembly worn or damaged Control lever worn or damaged Park pawl and pawl shaft worn or damaged Parking gear worn or damaged Shift cable broken or out of adjustment Manual valve lever and lever pin worn or damaged Valve body assembly defective Transmission range switch defective or out of adjustment Stator shaft worn or damaged PCM defective	Check the control shaft assembly for wear and damage. Check the control lever for wear and damage. Check the park pawl and the pawl shaft for wear and damage. If the park pawl or the pawl shaft are worn or damaged, replace them and also check the park gear for wear and damage. Check the parking gear for wear and damage. Check for a loose shift cable at the shift lever and the transmission control lever . Check the manual valve lever and the lever pin for wear and damage. Check the valve body assembly for wear and damage. Inspect the transmission range switch . Check the stator shaft for wear and damage.
A/T gear position indicator does not indicate shift lever positions/modes	Control shaft assembly worn or damaged Shift cable broken or out of adjustment Transmission range switch defective or out of adjustment PCM defective	Check the control shaft assembly for wear and damage. Check for a loose shift cable at the shift lever and the transmission control lever . Inspect the transmission range switch .