Automatic Transmission - Electronic Controls DTCS

AUTOMATIC TRANSMISSION - 4F50N ELECTRONIC CONTROLS DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC	Component	Description	Condition	Symptom	Action/Go to
P0102 P0103 P1100 P1101	MAF	MAF concerns.	MAF system has a malfunction which may cause a transaxle concern. Refer to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article for diagnosis.	Incorrect shift schedule, high/low EPC pressure. Incorrect converter engagement scheduling. Symptoms similar to a TP failure.	Refer to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
P0112	IAT	IAT indicates 125°C (254°F).	Voltage drop across IAT exceeds scale set for temperature 125°C (254°F).	Incorrect EPC pressure. Either high or low which will result in harsh or soft shifts.	Refer to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
P0113	IAT	IAT indicates -40°C (-40°F).	Voltage drop across IAT exceeds scale set for temperature -40°C (-40°F).	Incorrect EPC pressure. Either high or low which will result in harsh or soft shifts.	Refer to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
P0114	IAT	IAT out of on-board diagnostic range.	IAT temperature higher or lower than expected during KOEO and KOER.	Rerun on-board diagnostic at normal operating temperature.	Refer to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
P1116	ECT	ECT out of on-board diagnostic range.	ECT temperature higher or lower than expected during KOEO and KOER.	Rerun on-board diagnostic at normal operating temperature.	Refer to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
P0117	ECT	ECT indicates 125°C (254°F).	ECT temperature higher or lower than expected during KOEO and KOER.	Torque converter clutch will always be off, resulting in low fuel economy.	Refer to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
P0118	ECT	ECT indicates -40°C (-40°F).	ECT temperature higher or lower than expected during KOEO and KOER.	Torque converter clutch will always be off, resulting in low fuel economy.	Refer to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
P0122 P0123 P1120	TP	TP DTCs.	Powertrain control module has detected an error. This error may cause a transaxle concern.	Harsh engagements, firm shift feel, abnormal shift schedule, torque converter clutch does not engage. Torque converter clutch cycling.	Refer to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
P0300-P0308 P0320 P0340 P1351 P1364	EI	EI system.	EI system has a malfunction which may cause a transaxle concern.	Engine malfunction, no converter engagement.	Refer to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
P0712	TFT	171°C (340°F) indicated TFT sensor circuit grounded.	Voltage drop across TFT sensor exceeds scale set for temperature of 171°C (340°F).	Torque converter clutch and stabilized shift schedule may be enabled sooner after cold start. Harsh or soft shifts. May flash TCIL, KOEO, KOER.	Go To PINPOINT TEST B .
P0713	TFT	-43°C (-45°F) indicated TFT sensor circuit open.	Voltage drop across TFT sensor exceeds scale set for temperature -43°C (-45°F).	Torque converter clutch and stabilized shift schedule may be enabled sooner after cold start. Harsh or soft shifts. May flash TCIL, KOEO, KOER.	Go To PINPOINT TEST B .
P1711	TFT	TFT out of on-board diagnostic range.	Transaxle not at operating (25°F-240°F) temperature during on-board diagnostic, KOEO, KOER.	Warm or cool vehicle to normal operating temperature.	Go To PINPOINT TEST B .
P1713	TFT	No change in TFT - low range.	PCM has detected no TFT change at low-range during operation.	May flash TCIL.	Go To PINPOINT TEST B .
P1718	TFT	No change in TFT - high range.	PCM has detected no TFT change at high-range during operation.	May flash TCIL.	Go To PINPOINT TEST B .
P1783	TFT	Transaxle overtemp condition indicated 149°C (300°F).	Fluid temperature exceeded 149°C (300°F).	Increase in EPC pressure during overtemp only.	Go To PINPOINT TEST B .
P0715	TSS	Insufficient input from Turbine Shaft Speed (TSS) Sensor.	Powertrain control module detected a loss of TSS signal during operation.	Incorrect TCC engagements. Increased engine rpm on engagements, harsh shifts (MIL on).	Go To PINPOINT TEST F .
P0717	TSS	Insufficient input from Turbine Shaft Speed (TSS) sensor.	PCM detected a loss of TSS signal during operation.	Incorrect TCC engagements. Increased engine rpm on engagements, harsh shifts (MIL on).	Go To PINPOINT TEST F .
P0718	TSS	TSS signal intermittent.	PCM has detected an erratic or no TSS signal.	-	Go To PINPOINT TEST F .
P0720	OSS	Insufficient input from OSS sensor.	PCM detected a loss of OSS signal during operation.	Harsh shifts, and abnormal shift schedule. May flash MIL	Go To PINPOINT TEST G .
P0721	OSS	Output shaft speed sensor signal noisy.	PCM has detected an erratic OSS signal.	Harsh shifts, and abnormal shift schedule. May flash TCIL.	Go To PINPOINT TEST G .
P0722	OSS	Output shaft speed sensor signal intermittent.	PCM has detected an erratic or no OSS signal. May flash TCIL.	-	Go To PINPOINT TEST G .
P0750, P0753 (Output circuit check, generated only by electrical symptoms)	SSA	SSA solenoid circuit failure.	Solenoid 1 circuit failed to provide voltage drop across solenoid. Circuit open or shorted or PCM drive failure during on-board diagnostic.	Incorrect gear selection depending on condition mode and manual lever position. See SOLENOID OPERATION CHART (MIL on).	Go To PINPOINT TEST A .
P0751 (May also be generated by some other non-electric transaxle hardware system)	SSA	Shift Solenoid A functional failure.	Mechanical or hydraulic failure of the solenoid.	Incorrect gear selection depending on failure mode and manual lever position (MIL on).	Go To PINPOINT TEST A .
P1714	SSA	SSA failure.	Mechanical failure of the solenoid detected.	Incorrect gear selection depending on condition, mode and manual lever position. See SOLENOID OPERATION CHART .	Go To PINPOINT TEST H .
P1751 (May also be generated by some other non-electric transaxle hardware system)	SSA	Shift Solenoid A functional failure.	Mechanical or hydraulic failure of the shift solenoid.	Incorrect gear selection depending on failure mode and manual lever position.	See the SOLENOID OPERATION CHART . Then go to PINPOINT TEST A .
P0755, P0758 (Output circuit check, generated only by electrical symptoms)	SSB	SSB solenoid circuit failure.	Solenoid 2 circuit fails to provide voltage drop across solenoid. Circuit open or shorted or PCM drive failure during on-board diagnostic.	Incorrect gear selection depending on condition mode and manual lever position. See SOLENOID OPERATION CHART (MIL on).	Go To PINPOINT TEST A .
P0756 (May also be generated by some other non-electric transaxle hardware system)	SSB	Shift Solenoid B functional failure.	Mechanical or hydraulic failure of the solenoid.	Incorrect gear selection depending on failure mode and manual lever position (MIL on).	Go To PINPOINT TEST A .
P1715	SSB	SSB failure.	Mechanical failure of the solenoid detected.	Incorrect gear selection depending on condition, mode and manual lever position. See SOLENOID OPERATION CHART .	Go To PINPOINT TEST H .
P1756 (May also be generated by some other non-electric transaxle hardware system)	SSB	Shift Solenoid B functional failure.	Mechanical or hydraulic failure of the shift solenoid.	Incorrect gear selection depending on failure mode and manual lever position.	See the SOLENOID OPERATION CHART . Then go to PINPOINT TEST A .
P1716	SSC	SSC failure.	Mechanical failure of the solenoid detected.	Incorrect gear selection depending on condition, mode and manual lever position. See SOLENOID OPERATION CHART .	Go To PINPOINT TEST H .
P0760, P0763 (Output circuit check, generated only by electrical symptoms)	SSC	SSC solenoid circuit failure.	Solenoid 3 circuit fails to provide voltage drop across solenoid. Circuit open or shorted or PCM drive circuit failure during on-board diagnostic.	Incorrect gear selection depending on condition mode and manual lever position. See SOLENOID OPERATION CHART (MIL on).	Go To PINPOINT TEST A .
P0761 (May also be generated by some other non-electric transaxle hardware system)	SSC	Shift Solenoid No. 3 functional failure.	Mechanical or hydraulic failure of the solenoid.	Incorrect gear selection depending on failure mode and manual lever position (MIL on).	Go To PINPOINT TEST A .
P1761 (May also be generated by some other non-electric transaxle hardware system)	SSC	Shift Solenoid B functional failure.	Mechanical or hydraulic failure of the shift solenoid.	Incorrect gear selection depending on failure mode and manual lever position.	See the SOLENOID OPERATION CHART . Then go to PINPOINT TEST A .
P1111	SYSTEM	Pass.	No malfunction detected.	Malfunction not detected by powertrain control module.	Refer to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
P1460	A/C	A/C clutch cycling pressure switch error.	A/C or Defrost ON condition may result from A/C clutch being ON during on-board diagnostic.	Failed ON - EPC pressure slightly low with A/C OFF. Failed OFF - EPC pressure slightly low with A/C ON.	Refer to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
P1703	BPP	Brake not actuated during on-board diagnostic. BPP switch circuit failed.	Brake not cycled during KOER. Brake ON/OFF circuit failure.	Failed ON or not connected - torque converter clutch will not engage at less than 1/3 throttle. Failed OFF - torque converter clutch will not disengage when brake is applied.	Refer to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
P0705	Digital TR sensor.	Digital TR sensor circuit failure.	Digital TR sensor circuits, indicating an invalid pattern in TR_D. Condition caused by a short to ground or an open in TR4, TR3A, TR2 and/or TR1 circuits. This DTC cannot be set by an incorrectly adjusted digital TR sensor.	Increase in EPC pressure (harsh shifts). Defaults to (D) or D for all gear positions in (D) position transmission is stuck in D or manual 2.	Go To PINPOINT TEST D .
P0708	Digital TR sensor.	Digital TR sensor circuit TR3A open.	Digital TR sensor circuit TR3A reading 2.6v - 5.0v (open circuit). This DTC cannot be set by an incorrectly adjusted digital TR sensor.	Increase in EPC pressure. Defaults to (D) or D for all gear ranges.	Go To PINPOINT TEST D .
P1702	Digital TR sensor.	Digital TR sensor signal intermittent, code P0705, P0708 are set.	See P0705, P0708 conditions.	See P0705, P0708 symptoms.	Go To PINPOINT TEST D .
P1704	Digital TR sensor.	Digital TR sensor circuits reading between gear positions during KOEO/KOER.	Digital TR sensor or shift cable misadjusted or digital TR circuit failure.	Wrong commanded EPC pressure. Digital TR sensor reading the wrong gear position (i.e., in overdrive position, transmission stuck in manual 2).	Go To PINPOINT TEST D .
P1705	Digital TR sensor.	Digital TR sensor not in PARK or NEUTRAL during KOEO/KOER.	KOEO/KOER not run in PARK or NEUTRAL; or digital TR sensor circuit failure.	Rerun KOEO/KOER in PARK or NEUTRAL.	Go To PINPOINT TEST D .
P0741	TCC	Converter Clutch Error.	-	-	Go To PINPOINT TEST C .
P1740	TCC	TCC failure.	Mechanical failure of the solenoid detected.	Torque converter never applies.	Go To PINPOINT TEST C .
P1741 (May also be generated by some other non-electric transaxle hardware system)	TCC	Continuous slip ERROR.	Excessive variations in slip (engine speed surge) across the torque converter clutch detected.	Engine runs rough/vehicle shudders. You may feel a slight sensation of the engine running rough at road loads (approximately 56-64 km/h [35-40 mph] in 3rd gear, 72-80 km/h [45-50 mph] in 4th gear).	Go To PINPOINT TEST C .
P1742 (May also be generated by some other non-electric transaxle hardware system)	TCC	TCC Solenoid failed ON.	TCC Solenoid has failed ON by electrical, mechanical or hydraulic concern.	Harsh shifts, may stall vehicle at low speeds. May activate MIL.	Go To PINPOINT TEST C .
P1743 (May also be generated by some other non-electric transaxle hardware system)	TCC	TCC Solenoid failed ON.	TCC solenoid has failed ON by electrical, mechanical or hydraulic concern.	Harsh shifts, may stall vehicle at low speeds. May flash TCIL.	Go To PINPOINT TEST C .
P1744	TCC	Excessive slip detected.	Excessive slip detected during full TCC engagement.	Torque converter disengaged. EPC pressure at minimum. May activate MIL.	Go To PINPOINT TEST C .
P0743 (Output circuit check, generated only by electrical symptoms)	TCC	TCC solenoid circuit failure during on-board diagnostic.	TCC solenoid circuit fails to provide voltage drop across solenoid. Circuit open or shorted or PCM drive failure during on-board diagnostic.	Failed ON - engine runs rough/vehicle shudder, engine stalls in DRIVE (2nd, 3rd or 4th) at low idle speeds. (Short circuit). Failed OFF - converter never engages (Open circuit) (MIL on).	Go To PINPOINT TEST C .
P1746 (Output circuit check, generated only by electrical symptoms)	EPC	Open PCM output driver.	Voltage through EPC solenoid is checked and compared to a voltage through solenoid after a time delay. An error will be noted if tolerance is exceeded. KOEO and continuous on-board diagnostic.	Open Circuit - Causes maximum EPC pressure, harsh engagements and shifts (TCIL flashing).	Go To PINPOINT TEST E .
P0731	SSA, SSB, or internal parts	1st gear failure.	Incorrect gear ratio while commanding 1st gear.	Incorrect gear selection depending on condition mode and manual lever position: see SOLENOID OPERATION CHART . Shift errors may also be due to other internal transaxle concerns (e.g., stuck valves, damaged friction material) (TCIL flashing, California only).	Go To PINPOINT TEST A .
P0732	SSA, SSB, or internal parts	2nd gear failure.	Incorrect gear ratio while commanding 2nd gear.	Incorrect gear selection depending on condition mode and manual lever position: see SOLENOID OPERATION CHART . Shift errors may also be due to other internal transaxle concerns (e.g., stuck valves, damaged friction material) (TCIL flashing, California only).	Go To PINPOINT TEST A .
P0733	SSA, SSC, or internal parts	3rd gear failure.	Incorrect gear ratio while commanding 3rd gear.	Incorrect gear selection depending on condition mode and manual lever position: see SOLENOID OPERATION CHART . Shift errors may also be due to other internal transaxle concerns (e.g., stuck valves, damaged friction material) (TCIL flashing, California only).	Go To PINPOINT TEST A .
P0734	SSA, SSC, or internal parts	4th gear failure.	Incorrect gear ratio while commanding 4th gear.	Incorrect gear selection depending on condition mode and manual lever position: see SOLENOID OPERATION CHART . Shift errors may also be due to other internal transaxle concerns (e.g., stuck valves, damaged friction material) (TCIL flashing, California only).	Go To PINPOINT TEST A .
P1747, P1760 (Both codes, Output circuit check, generated only by electrical symptoms)	EPC	EPC solenoid circuit failure, shorted circuit or output driver.	Voltage through EPC solenoid is checked and compared to a voltage through solenoid after a time delay. An error will be noted if tolerance is exceeded. KOEO and continuous on-board diagnostic.	Short Circuit - Causes failsafe EPC pressure (maximum capacity). Harsh engagements and shifts (MIL on).	Go To PINPOINT TEST E .
P1117	ECT	ECT sensor or circuit signal intermittent.	PCM has detected an intermittent signal.	Incorrect EPC pressure, either high or low which will result in harsh or soft shift.	Refer to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
P1700	LOW OWC	Transaxle mechanical failure.	Failure of the LOW OWC. NOTE: P1700 may be set by a low fluid level.	No 1st, 2nd and/or reverse gears, code P0731, P0732 also.	Refer to DIAGNOSIS BY SYMPTOM .
P1112	IAT	IAT sensor or circuit signal intermittent.	PCM has detected an intermittent signal.	Incorrect EPC pressure, either high or low which will result in harsh or soft shift.	Refer to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
P1780	TCS	TCS did not change states	TCS not cycled during self test. TCS circuit open or shorted.	TCS not cycled during KOER self test. No overdrive cancel when switch is cycled.	Rerun OBD test and cycle switch. Refer to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.