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A/T System DTC Troubleshooting Index (2016 2017 2018 2019 2020)

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot with the HDS, and review the General Troubleshooting Information .
DTC  A/T Gear Position Indicator  MIL  MIL Detection Drive Cycle (D/C)  Detection Item 
P0601 *(1) Blinks ON 1 D/C TCM Internal Control Module Failure
P0602 *(1) Blinks ON 1 D/C Boot Mode(Programming Error)
P0607 *(1) Blinks OFF - - - Control Module Performance
P060A *(1) Blinks ON 1 D/C TCM Processor Malfunction
P0613 *(1) Blinks ON 1 D/C TCM Processor
P061B *(1) Blinks ON 1 D/C Internal Control Module Torque Calculation Performance
P062C *(1) Blinks ON 1 D/C Internal Module Vehicle Speed Performance
P062F *(1) Blinks ON 1 D/C EEPROM FAIL
P0634 *(1) Blinks ON 1 D/C Control Module Internal Temperature "A" Too High
P0641 *(1) Blinks ON 1 D/C Sensor Reference Voltage 1 Circuit Malfunction
P0651 *(1) Blinks ON 1 D/C Sensor Reference Voltage 2 Circuit Malfunction
P0657 *(1) Blinks ON 1 D/C Actuator Supply Voltage Circuit/Open
P0700 *(1) Blinks ON 1 D/C Transmission Control System(Mil Request)
P0701 *(1) Blinks OFF - - - Transmission Control System Range/Performance
P0710 *(1) Blinks ON 2 D/C *(2) ATF Temperature Sensor Out of Range
P0711 *(1) Blinks ON 2 D/C *(2) ATF Temperature Sensor (Range/Performance)
P0712 *(1) Blinks ON 1 D/C ATF Temperature Sensor (Short)
P0713 *(1) Blinks ON 1 D/C ATF Temperature Sensor (Open)
P0714 *(1) Blinks ON 2 D/C *(2) ATF Temperature Sensor (Intermittent Failure)
P0716 *(1) Blinks ON 1 D/C VNM Performance
P0721 *(1) Blinks ON 1 D/C VNC/NOUT Performance
P0729 Blinks ON 2 D/C *(2) 6th Gear Incorrect Ratio
P072A Blinks OFF - - - Stuck in Neutral
P0730 Blinks ON 2 D/C *(2) Incorrect Gear Ratio
P0731 Blinks ON 2 D/C *(2) 1st Gear Incorrect Ratio
P0732 Blinks ON 2 D/C *(2) 2nd Gear Incorrect Ratio
P0733 Blinks ON 2 D/C *(2) 3rd Gear Incorrect Ratio
P0734 Blinks ON 2 D/C *(2) 4th Gear Incorrect Ratio
P0735 Blinks ON 2 D/C *(2) 5th Gear Incorrect Ratio
P073E *(1) Blinks OFF - - - Unable to Engage Reverse
P0741 Blinks ON 2 D/C *(2) Torque Converter Clutch Circuit Performance or Stuck OFF
P074C Blinks ON 2 D/C *(2) Unable to Engage Gear 4
P0764 OFF OFF - - - Shift Solenoid Valve C Intermittent
P076F Blinks ON 2 D/C *(2) 7th Gear Incorrect Ratio
P077C *(1) Blinks ON 1 D/C VNC/NOUT Short to GND or Open Circuit
P077D *(1) Blinks ON 1 D/C VNC/NOUT Short to Battery
DTC  A/T Gear Position Indicator  MIL  MIL Detection Drive Cycle (D/C)  Detection Item 
P0780 *(1) Blinks OFF 1 D/C Shift Error
P07A2 Blinks ON 2 D/C *(2) Clutch A Performance
P07A4 Blinks ON 2 D/C *(2) Clutch B Performance
P07A6 Blinks ON 2 D/C *(2) Clutch C Performance
P07A8 Blinks ON 2 D/C *(2) Clutch D Performance
P07B3 *(1) Blinks OFF - - - Transmission Park Position Sensor/Switch "A" Circuit Low
P07B4 *(1) Blinks OFF - - - Transmission Park Position Sensor/Switch "A" Circuit High
P07B9 *(1) Blinks OFF - - - Transmission Park Position Sensor/Switch "B" Circuit Low
P07BA *(1) Blinks OFF - - - Transmission Park Position Sensor/Switch "B" Circuit High
P07BE *(1) Blinks OFF - - - Transmission Park Position Sensor/Switch "A"/"B" Correlation
P07BF *(1) Blinks ON 1 D/C VNM Short to GND or Open Circuit
P07C0 *(1) Blinks ON 1 D/C VNM Short to Battery
P07D9 Blinks ON 2 D/C *(2) 8th Gear Incorrect Ratio
P07E4 Blinks OFF - - - Unable to Engage Park
P07E6 Blinks OFF - - - Stuck in Park
P07F6 Blinks ON 2 D/C *(2) 9th Gear Incorrect Ratio
P0810 *(1) Blinks ON 1 D/C Clutch Position Control Error
P0841 *(1) Blinks ON 1 D/C Transmission Fluid Pressure Sensor/Switch "A" Circuit Range/Performance
P0842 *(1) Blinks ON 1 D/C Transmission Fluid Pressure Sensor/Switch "A" Circuit Low
P0843 *(1) Blinks ON 1 D/C Transmission Fluid Pressure Sensor/Switch "A" Circuit High
P0844 OFF OFF - - - Transmission Component Slipping
P084F *(1) Blinks OFF - - - Park/Neutral Switch Output Circuit
P0880 *(1) Blinks OFF 1 D/C TCM Power Input Signal
P0893 *(1) Blinks OFF - - - Multiple Gears Engaged
P0936 *(1) Blinks ON 1 D/C Hydraulic Pressure Sensor Circuit Intermittent
P0961 *(1) Blinks ON 1 D/C A/T Clutch Pressure Control Solenoid Valve A Performance
P0962 *(1) Blinks ON 1 D/C A/T Clutch Pressure Control Solenoid Valve A Low Input
P0963 *(1) Blinks ON 1 D/C A/T Clutch Pressure Control Solenoid Valve A High Input
P0965 *(1) Blinks ON 1 D/C A/T Clutch Pressure Control Solenoid Valve B Performance
P0966 *(1) Blinks ON 1 D/C A/T Clutch Pressure Control Solenoid Valve B Low Input
P0967 *(1) Blinks ON 1 D/C A/T Clutch Pressure Control Solenoid Valve B High Input
P0969 *(1) Blinks ON 1 D/C A/T Clutch Pressure Control Solenoid Valve C Performance
P0970 *(1) Blinks ON 1 D/C A/T Clutch Pressure Control Solenoid Valve C Low Input
P0971 *(1) Blinks ON 1 D/C A/T Clutch Pressure Control Solenoid Valve C High Input
P0973 *(1) Blinks ON 1 D/C Shift Solenoid Valve A Low Input
P0974 *(1) Blinks ON 1 D/C Shift Solenoid Valve A High Input
P0976 *(1) Blinks ON 1 D/C Shift Solenoid Valve B Low Input
DTC  A/T Gear Position Indicator  MIL  MIL Detection Drive Cycle (D/C)  Detection Item 
P0977 *(1) Blinks ON 1 D/C Shift Solenoid Valve B High Input
P0979 *(1) Blinks ON 1 D/C Shift Solenoid Valve C Low Input
P0980 *(1) Blinks ON 1 D/C Shift Solenoid Valve C High Input
P0982 *(1) Blinks ON 1 D/C Shift Solenoid Valve D Low Input
P0983 *(1) Blinks ON 1 D/C Shift Solenoid Valve D High Input
P170A OFF OFF - - - Dog Clutch Abnormal Operation
P170B OFF OFF - - - Dog Clutch "A" Abnormal Operation
P2162 *(1) Blinks ON 1 D/C Vehicle Speed Sensor Correlation
P2638 *(1) Blinks ON 2 D/C *(2) Torque Management Feedback Signal A Range/Performance
P26C3 *(1) Blinks OFF 1 D/C Internal Control Module Transmission Range Sensor Performance
P2711 Blinks OFF - - - Unexpected Mechanical Gear Disengagement
P2719 *(1) Blinks ON 1 D/C A/T Clutch Pressure Control Solenoid Valve D Performance
P2720 *(1) Blinks ON 1 D/C A/T Clutch Pressure Control Solenoid Valve D Low Input
P2721 *(1) Blinks ON 1 D/C A/T Clutch Pressure Control Solenoid Valve D High Input
P2729 *(1) Blinks ON 1 D/C A/T Clutch Pressure Control Solenoid Valve F Low Input
P2730 *(1) Blinks ON 1 D/C A/T Clutch Pressure Control Solenoid Valve F High Input
P2763 *(1) Blinks ON 1 D/C Torque Converter Clutch Pressure Control Solenoid Valve E High Input
P2764 *(1) Blinks ON 1 D/C Torque Converter Clutch Pressure Control Solenoid Valve E Low Input
P2857 *(1) Blinks OFF - - - Clutch Pressure Regulator Low Current
P286D OFF OFF - - - Dog Clutch "A" Malfunction
P287A Blinks ON 2 D/C *(2) Dog Clutch F Stuck Engaged
P287C *(1) Blinks OFF - - - Transmission Adaptive Values Not Learned
U0029 - Refer to: DTC Troubleshooting: U0029(A/T System (With CAN Gateway)) (2016), or DTC Troubleshooting: U0029(A/T System (Without CAN Gateway)) (2016) *(3) Blinks ON 1 D/C F-CAN Malfunction (F-CAN Bus-OFF)
U0029 - Refer to: DTC Troubleshooting: U0029(A/T System (With CAN Gateway)) (2016), or DTC Troubleshooting: U0029(A/T System (Without CAN Gateway)) (2016) *(4) Blinks ON 1 D/C F-CAN Malfunction (F-CAN Bus-OFF)
U0047 - Refer to: DTC Troubleshooting: U0047(A/T System (With CAN Gateway)) (2016), or DTC Troubleshooting: U0047(A/T System (Without CAN Gateway)) (2016) *(3) Blinks ON 1 D/C P/T-CAN Malfunction (TCM Bus-OFF)
U0047 - Refer to: DTC Troubleshooting: U0047(A/T System (With CAN Gateway)) (2016), or DTC Troubleshooting: U0047(A/T System (Without CAN Gateway)) (2016) *(4) Blinks ON 1 D/C P/T-CAN Malfunction (TCM Bus-OFF)
U0100 - Refer to: DTC Troubleshooting: U0100 (2019 2020), or DTC Troubleshooting: U0100(A/T System (With CAN Gateway)) (2016), or DTC Troubleshooting: U0100(A/T System (Without CAN Gateway)) (2016) *(3) Blinks ON 1 D/C F-CAN Malfunction (PCM-TCM)
U0100 - Refer to: DTC Troubleshooting: U0100 (2019 2020), or DTC Troubleshooting: U0100(A/T System (With CAN Gateway)) (2016), or DTC Troubleshooting: U0100(A/T System (Without CAN Gateway)) (2016) *(4) Blinks ON 1 D/C F-CAN Malfunction (PCM-TCM)
U0103 - Refer to: DTC Troubleshooting: U0103(With CAN Gateway) (2016), or DTC Troubleshooting: U0103(Without CAN Gateway) (2016), or DTC Troubleshooting: U0103 (2019 2020) *(3) Blinks OFF - - - Lost Communication with Shifter
U0103 - Refer to: DTC Troubleshooting: U0103(With CAN Gateway) (2016), or DTC Troubleshooting: U0103(Without CAN Gateway) (2016), or DTC Troubleshooting: U0103 (2019 2020) *(4) Blinks OFF - - - Lost Communication with Shifter
U0104 - Refer to: DTC Troubleshooting: U0104(A/T System (With CAN Gateway)) (2016), or DTC Troubleshooting: U0104 (2019 2020) Blinks OFF - - - Lost Communication With Adaptive Cruise Control System (ACC) Control Module
U0115 - Refer to: DTC Troubleshooting: U0115 (2019 2020), or DTC Troubleshooting: U0115(With CAN Gateway) (2016), or DTC Troubleshooting: U0115(Without CAN Gateway) (2016) *(3) Blinks ON 1 D/C Lost Communication with PCM
U0115 - Refer to: DTC Troubleshooting: U0115 (2019 2020), or DTC Troubleshooting: U0115(With CAN Gateway) (2016), or DTC Troubleshooting: U0115(Without CAN Gateway) (2016) *(4) Blinks ON 1 D/C Lost Communication with PCM
U0122 - Refer to: DTC Troubleshooting: U0122 (2019 2020), or DTC Troubleshooting: U0122(A/T System (With CAN Gateway)) (2016), or DTC Troubleshooting: U0122(A/T System (Without CAN Gateway)) (2016) *(3) Blinks OFF - - - Lost Communication With VSA Modulator-Control Unit
U0122 - Refer to: DTC Troubleshooting: U0122 (2019 2020), or DTC Troubleshooting: U0122(A/T System (With CAN Gateway)) (2016), or DTC Troubleshooting: U0122(A/T System (Without CAN Gateway)) (2016) *(4) Blinks OFF - - - Lost Communication With VSA Modulator-Control Unit
U0126 - Refer to: DTC Troubleshooting: U0126(With CAN Gateway) (2016), or DTC Troubleshooting: U0126(Without CAN Gateway) (2016), or DTC Troubleshooting: U0126 (2019 2020) *(3) Blinks OFF - - - Lost Communication With Steering Angle Sensor
U0126 - Refer to: DTC Troubleshooting: U0126 (2019 2020), or DTC Troubleshooting: U0126(With CAN Gateway) (2016), or DTC Troubleshooting: U0126(Without CAN Gateway) (2016) *(4) Blinks OFF - - - Lost Communication With Steering Angle Sensor
DTC  A/T Gear Position Indicator  MIL  MIL Detection Drive Cycle (D/C)  Detection Item 
U0146 *(3) Blinks ON 1 D/C Lost Communication With CAN Gateway
U0151 - Refer to: DTC Troubleshooting: U0151 (2019 2020), or DTC Troubleshooting: U0151 (2016 2017 2018), or DTC Troubleshooting: U0151 (2016 2017 2018 2019 2020) *(3) Blinks OFF - - - Lost Communication with SRS
U0151 - Refer to: DTC Troubleshooting: U0151 (2019 2020), or DTC Troubleshooting: U0151 (2016 2017 2018), or DTC Troubleshooting: U0151 (2016 2017 2018 2019 2020) *(4) Blinks OFF - - - Lost Communication with SRS
U0155 - Refer to: DTC Troubleshooting: U0155(A/T System (With CAN Gateway)) (2016), or DTC Troubleshooting: U0155(A/T System (Without CAN Gateway)) (2016), or DTC Troubleshooting: U0155 (2019 2020) *(3) Blinks OFF - - - F-CAN Malfunction (TCM-Gauge Control Module)
U0155 - Refer to: DTC Troubleshooting: U0155 (2019 2020), or DTC Troubleshooting: U0155(A/T System (With CAN Gateway)) (2016), or DTC Troubleshooting: U0155(A/T System (Without CAN Gateway)) (2016) *(4) Blinks OFF - - - F-CAN Malfunction (TCM-Gauge Control Module)
U0302 Blinks ON 1 D/C Transmission Control Module Program Version Mismatch
U0401 Blinks OFF - - - Invalid Data Received From PCM
U0404 Blinks OFF - - - Invalid Data Received From Shifter
U0416 Blinks OFF - - - Invalid Data Received From VSA Modulator-Control Unit
U129E - Refer to: DTC Troubleshooting: U129E(A/T System (With CAN Gateway)) (2016), or DTC Troubleshooting: U129E(A/T System (Without CAN Gateway)) (2016), or DTC Troubleshooting: U129E (2019 2020) *(3) Blinks OFF - - - Lost Communication with PCU
U129E - Refer to: DTC Troubleshooting: U129E (2019 2020), or DTC Troubleshooting: U129E(A/T System (With CAN Gateway)) (2016), or DTC Troubleshooting: U129E(A/T System (Without CAN Gateway)) (2016) *(4) Blinks OFF - - - Lost Communication with PCU
U12AA - Refer to: DTC Troubleshooting: U12AA(With CAN Gateway) (2016), or DTC Troubleshooting: U12AA(Without CAN Gateway) (2016), or DTC Troubleshooting: U12AA (2019 2020) *(3) Blinks OFF - - - Lost Communication with Shifter
U12AA - Refer to: DTC Troubleshooting: U12AA (2019 2020), or DTC Troubleshooting: U12AA(With CAN Gateway) (2016), or DTC Troubleshooting: U12AA(Without CAN Gateway) (2016) *(4) Blinks OFF - - - Lost Communication with Shifter
NOTE: *(1): This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.*(2): If the TCM stores this DTC in one drive cycle, the MIL would not be indicated. But the TCM detects the malfunction again in two drive cycle, the MIL is first indicated during this time.*(3): With CAN gateway*(4): Without CAN gateway