| P0102, P0103, P1100, P1101 | MAF | MAF concerns | MAF system inoperative which may cause a transmission concern. | High/low EPC pressure, incorrect shift schedule. Incorrect torque converter clutch 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) (grounded) | 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) (open circuit) | 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) | Voltage drop across ECT exceeds scale set for temperature 125°C (254°F) (grounded). | Torque converter clutch will always be OFF, resulting in reduced fuel economy. | REFER to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. |
| P0118 | ECT | ECT indicates -40°C (-40°F) | Voltage drop across ECT exceeds scale set for temperature -40°C (-40°F) (open circuit). | Torque converter clutch will always be OFF, resulting in reduced fuel economy. | REFER to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. |
| P0121, P0122, P0123, P1120, P1121, P1125, P1124 | TP | TP concern | PCM has detected an error. This error may cause a transmission 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. |
| P0121-P0124, P0221-P0224, P2100-P2107, P2110-P2112, P2121-P2124, P2126-P2129, P2121-P2135, P2138-P2140 | APP | APP concern | PCM has detected an error. This error may cause a transmission 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 concerns | EI system is inoperative which may cause a transmission concern. | Harsh engagements and shifts, late WOT shifts, no torque converter clutch engagement. | REFER to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. |
| P0503, P0500, U1039 | ABS | Insufficient VSS input from ABS through SCP link | PCM detected a loss of vehicle speed signal through SCP link from ABS. | No transmission symptom. I.P. speedometer may be affected. | REFER to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. |
| P0715 | TSS | Insufficient input from turbine shaft speed sensor | PCM detected a loss of TSS signal during operation. | May turn on MIL. | Go To PINPOINT TEST E . |
| P0717 | TSS | Turbine shaft speed sensor signal intermittent | PCM has detected an intermittent TSS signal. | May flash TCIL. | Go To PINPOINT TEST E . |
| P0718 | TSS | Turbine shaft speed sensor signal noisy | PCM has detected a noisy TSS signal. | May flash TCIL. | Go To PINPOINT TEST E . |
| P0720 | OSS | Insufficient input from OSS sensor | PCM detected a loss of OSS signal during operation. | Possible abnormal shift schedule, harsh shifts. Will turn on MIL. | Go To PINPOINT TEST E . |
| P0721 | OSS | Output shaft speed sensor signal noisy | PCM has detected an erratic OSS signal. | Abnormal shift schedule, harsh shifts. May flash TCIL. | Go To PINPOINT TEST E . |
| P0722 | OSS | Output shaft speed sensor signal intermittent | PCM has detected an intermittent OSS signal. | Abnormal shift schedule, harsh shifts. May flash TCIL. | Go To PINPOINT TEST E . |
| P0791 | Intermediate shaft speed sensor | Insufficient input from the intermediate shaft speed sensor | PCM has detected a loss of the intermediate shaft speed sensor signal during operation. | Harsh shifts (2-3). May flash TCIL. | Go To PINPOINT TEST E . |
| P0794 | Intermediate shaft speed sensor | Intermediate shaft speed sensor signal noisy | PCM has detected an erratic intermediate shaft speed sensor signal. | Harsh shifts (2-3). May flash TCIL. | Go To PINPOINT TEST E . |
| P0731 (1) | SSA, SSB, SSC or internal parts | 1st gear ratio error | 1st gear, not commanded. | Correct gear ratio not achieved for commanded gear. Shift errors may also be due to other transmission concerns (stuck valves, damaged friction material). Engine rpm could be higher or lower than expected. May flash TCIL. | REFER to the SOLENOID OPERATION CHART . Then Go To PINPOINT TEST A . |
| P0732 (1) | SSA, SSB, SSC or internal parts | 2nd gear ratio error | 2nd gear not commanded. | Correct gear ratio not achieved for commanded gear. Shift errors may also be due to other transmission concerns (stuck valves, damaged friction material). Engine rpm could be higher or lower than expected. May flash TCIL. | REFER to the SOLENOID OPERATION CHART . Then Go To PINPOINT TEST A . |
| P0733 (1) | SSA, SSB, SSC or internal parts | 3rd gear ratio error | 3rd gear not commanded. | Correct gear ratio not achieved for commanded gear. Shift errors may also be due to other transmission concerns (stuck valves, damaged friction material). Engine rpm could be higher or lower than expected. May flash TCIL. | REFER to the SOLENOID OPERATION CHART . Then Go To PINPOINT TEST A . |
| P0734 (1) | SSA, SSB, SSC or internal parts | 4th gear ratio error | 4th gear not commanded. | Correct gear ratio not achieved for commanded gear. Shift errors may also be due to other transmission concerns (stuck valves, damaged friction material). Engine rpm could be higher or lower than expected. May flash TCIL. | REFER to the SOLENOID OPERATION CHART . Then Go To PINPOINT TEST A . |
| P0735 | SSA, SSB, SSC, SSD or internal parts | 5th gear ratio error | 5th gear not commanded. | Correct gear ratio not achieved for commanded gear. Shift errors may also be due to other transmission concerns (stuck valves, damaged friction material). Engine rpm could be higher or lower than expected. May flash TCIL. | REFER to the SOLENOID OPERATION CHART . Then Go To PINPOINT TEST A . |
| P1740 (1) | TCC | TCC solenoid inoperative | TCC not commanded. Mechanical failure of the solenoid detected. | Stuck OFF: Harsh shifts or engagements, engine rpm higher than expected. Stuck ON: Vehicle stall when in drive gear at idle, harsh shifts or engagements, engine rpm lower than expected. May turn on MIL. | Go To PINPOINT TEST A and Go To PINPOINT TEST D . |
| P1744 (1) | TCC | TCC solenoid circuit error or stuck OFF | The PCM picked up an excessive amount of TCC slippage during normal vehicle operation. | TCC slippage/erratic or no torque converter clutch operation. Stuck OFF: harsh shifts or engagements. Engine RPM may be higher than expected. May flash TCIL. | REFER to DIAGNOSIS BY SYMPTOM . |
| P0741 (1) | TCC | TCC slippage detected | The PCM picked up an excessive amount of TCC slippage during normal vehicle operation. | TCC slippage/erratic or no torque converter clutch operation. Harsh shifts or engagements. Engine RPM may be higher than expected. May flash TCIL. | REFER to DIAGNOSIS BY SYMPTOM . |
| P0743 (2) | 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 driver failure during on-board diagnostics. | Open or short to battery power: harsh shifts or engagements, engine rpm higher than expected. Short to ground: Vehicle stall when in DRIVE gear at idle, harsh shifts or engagements, engine rpm lower than expected. May turn on MIL. | Go To PINPOINT TEST A . |
| P0740 (2) | 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 driver failure during on-board diagnostics. May flash TCIL. | Open or short to battery power: harsh shifts or engagements, engine rpm higher than expected. Short to ground: Vehicle stall when in DRIVE gear at idle, harsh shifts or engagements, engine rpm lower than expected. May turn on MIL. | Go To PINPOINT TEST A . |
| P0962, P1747 | PCA | PCA solenoid circuit failure, shorted to ground | Voltage through PCA solenoid is checked. An error will be noted if tolerance is exceeded. | Short circuit - causes minimum PCA pressure (minimum capacity) and limits engine torque (alternate firm). Slips in gear and 3rd gear incorrect. May turn on MIL. | Go To PINPOINT TEST D . |
| P0750 (2) | SSA | SSA solenoid circuit failure | SSA circuit failed to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during on-board diagnostic. | Open or short to battery power: 1st gear ratio incorrect or no gear ratio errors, no 1st gear. Short to ground: no 4th or 5th gear. May turn on MIL. | Go To PINPOINT TEST A . |
| P0753 (2) | SSA | SSA solenoid circuit failure | SSA circuit failed to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during on-board diagnostic. | Open or short to battery power: 1st gear ratio incorrect or no gear ratio errors, no 1st gear. Short to ground: no 4th or 5th gear. May turn on MIL. | Go To PINPOINT TEST A . |
| P1714 | SSA | SSA inoperative | Mechanical failure of the solenoid detected. | Stuck OFF: Open or short to battery power: 1st gear ratio incorrect or no gear ratio errors, no 1st gear. Short to ground: no 4th or 5th gear. May turn on MIL. Stuck ON: Open or short to battery power: 1st gear ratio incorrect or no gear ratio errors, no 1st gear. Short to ground: no 4th or 5th gear. May turn on MIL. | Go To PINPOINT TEST F . |
| P0755 (2) | SSB | SSB solenoid circuit failure | SSB circuit failed to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during on-board diagnostic. | Open or short to battery power: no 1st gear. Short to ground: no 3rd gear. May turn on MIL. | Go To PINPOINT TEST A . |
| P0758 (2) | SSB | SSB solenoid circuit failure | SSB circuit failed to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during on-board diagnostic. | Stuck OFF: Open or short to battery power: 1st gear ratio incorrect or no gear ratio errors, no 1st gear. Short to ground: no 4th or 5th gear. May flash TCIL. Stuck ON: Open or short to battery power: 1st gear ratio incorrect or no gear ratio errors, no 1st gear. Short to ground: no 4th or 5th gear. May flash TCIL. | Go To PINPOINT TEST A . |
| P1715 | SSB | SSB inoperative | Mechanical failure of the solenoid detected. | Stuck OFF: Open or short to battery power: 1st gear ratio incorrect or no gear ratio errors, no 1st gear. Short to ground: no 4th or 5th gear. May turn on MIL. Stuck ON: Open or short to battery power: 1st gear ratio incorrect or no gear ratio errors, no 1st gear. Short to ground: no 4th or 5th gear. May turn on MIL. | Go To PINPOINT TEST F . |
| P0760 (2) | SSC | SSC solenoid circuit failure | SSC circuit failed to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during on-board diagnostic. | Open or short to battery power: 2nd and 5th gear ratio incorrect. Short to ground: 1st gear ratio incorrect or no gear ratio errors. May turn on MIL. | Go To PINPOINT TEST A . |
| P0763 (2) | SSC | SSC solenoid circuit failure | SSC circuit failed to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during on-board diagnostic. | Open or short to battery power: 2nd and 5th gear ratio incorrect. Short to ground: 1st gear ratio incorrect or no gear ratio errors. May flash TCIL. | Go To PINPOINT TEST A . |
| P1716 | SSC | SSC inoperative | Mechanical failure of the solenoid detected. | Stuck OFF: 2nd and 5th gear ratio incorrect. Stuck ON: 1st gear ratio incorrect or no gear ratio errors. May turn on MIL. | Go To PINPOINT TEST F . |
| P0768 | SSD | SSD solenoid circuit failure | SSD circuit failed to provide voltage drop across solenoid. Circuit open, shorted or PCM driver circuit failure during on-board diagnostics. | Short to ground: No engine braking in MANUAL gears. May flash TCIL. | Go To PINPOINT TEST A . |
| P0765 | SSD | SSD solenoid circuit failure | SSD circuit failed to provide voltage drop across solenoid. Circuit open, shorted or PCM driver circuit failure during on-board diagnostics. | Short to ground: No engine braking in MANUAL gears. May turn on MIL. | Go To PINPOINT TEST A . |
| P1717 | SSD | SSD inoperative | Mechanical failure of the solenoid detected. | Stuck ON: No engine braking in MANUAL gears (short). May turn on MIL. | Go To PINPOINT TEST F . |
| P0966 (1) , P1789 | PCB | PCB solenoid circuit failure, shorted circuit to ground | Voltage through PCB solenoid is checked. An error will be noted if tolerance is exceeded. | Short circuit - causes minimum PCB pressure (minimum capacity) and limits engine torque (alternate firm). Zero PCB - no 2nd and 5th gear. May turn on MIL. | Go To PINPOINT TEST D . |
| P0967, P0779 | PCB | PCB solenoid intermittent short to battery voltage | Voltage through PCB solenoid is checked. An error will be noted if tolerance is exceeded. | Short to battery power: harsh shift and engagements. May flash TCIL. | Go To PINPOINT TEST D . |
| P0970 (1) , P0797 | PCC | PCC solenoid circuit failure, shorted circuit to ground | Voltage through PCC solenoid is checked. An error will be noted if tolerance is exceeded. | No 4th and 5th gear. May turn on MIL. | Go To PINPOINT TEST D . |
| P0968 (1) , P0796 | PCC | PCC solenoid circuit open | Voltage through PCC solenoid is checked. Error is noted if tolerance is exceeded. | Open circuit - causes maximum PCC pressure, harsh engagements and shifts. May flash TCIL. | Go To PINPOINT TEST D . |
| P0971, P0799 | PCC | PCC solenoid intermittent short to power | Voltage through PCC solenoid is checked. An error will be noted if tolerance is exceeded. | Short to battery power: harsh shift and engagements. May flash TCIL. | Go To PINPOINT TEST D . |
| P0745 | PCA | PCA solenoid or circuit fault | PCA functional fault - low pressure. | Incorrect shift pattern indicating mechanical or hydraulic failure of the transmission. Will turn on MIL. | Go To PINPOINT TEST D . |
| P0748 | PCA | PCA solenoid inoperative | Electrical failure of the solenoid detected. | Possible slip in gear and/or 3rd gear ratio. May turn on MIL. | Go To PINPOINT TEST D . |
| P0960, P1746 | PCA | PCA solenoid circuit open | Voltage through PCA solenoid is checked. Error is noted if tolerance is exceeded. | Open circuit - causes maximum PCA pressure, harsh engagements and shifts. May flash TCIL. | Go To PINPOINT TEST D . |
| P0963, P1760 | PCA | PCA solenoid intermittent short to power | Voltage through PCA solenoid is checked. An error will be noted if tolerance is exceeded. | Short to power - causes maximum PCA pressure, harsh engagements and shifts. May flash TCIL. | Go To PINPOINT TEST D . |
| P0964, P1788 | PCB | PCB solenoid circuit open | Voltage through PCB solenoid is checked. Error is noted if tolerance is exceeded. | Open circuit - causes maximum PCB pressure, harsh engagements and shifts. May flash TCIL. | Go To PINPOINT TEST D . |
| P0775 | PCB | PCB solenoid or circuit fault | PCB functional fault - low pressure. | Incorrect shift pattern indicating mechanical or hydraulic failure of the transmission. Will turn on MIL. | Go To PINPOINT TEST D . |
| P0778 | PCB | PCB solenoid inoperative | Electrical failure of the solenoid detected. | No 2nd and 5th gear. Will turn on MIL. | Go To PINPOINT TEST D . |
| P0795 | PCC | PCC solenoid or circuit fault | PCC functional fault - low pressure. | Incorrect shift pattern indicating mechanical or hydraulic failure of the transmission. Will turn on MIL. | Go To PINPOINT TEST D . |
| P0798 | PCC | PCC solenoid inoperative | Electrical failure of the solenoid detected. | Incorrect gear ratio in 4th and 5th gear. Will turn on MIL. | Go To PINPOINT TEST D . |
| P1124 | TP | TP voltage high/low for on-board diagnostic | TP was not in the correct position for on-board diagnostic. | Rerun at appropriate throttle position per application. | 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. | DTC set during on-board diagnostic - rerun with A/C OFF. Failed ON - EPC pressure slightly low with A/C OFF. | REFER to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. |
| P1636 | SSx | SSx ISIG communication error | PCM has detected an error with the ISIG chip. | May turn on MIL. | INSTALL a new PCM. |
| P1700 | TRANS | Transmission undetermined failure | Internal component failure. Direct one-way clutch failure. | FMEM becomes active - engine rpm limited to 4,000 rpms. Failed a NEUTRAL condition in 1st, 3rd or 4th gear in automatic mode. Only 2nd and 5th gear available. Other DTCs that may set P1700: P0745, P1747, P1760, P1714, P1715, P0750, P0755. | If other solenoid DTCs are present, diagnose and repair them first. CLEAR DTCs and drive vehicle. If P1700 returns, disassemble transmission and INSPECT the direct one-way clutch. REPAIR as required. CLEAR DTC. Drive vehicle and verify repair. |
| P0705 | Digital TR sensor | Digital TR circuit failure | Digital TR 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. | Harsh engagements or wrong gear commanded. Defaults to (D) or invalid position. May turn MIL ON. | Go To PINPOINT TEST C . |
| 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. | Harsh engagements or wrong gear commanded. Defaults to (D) or invalid position. May turn MIL ON. | Go To PINPOINT TEST C . |
| P1702 | Digital TR | Digital TR signal intermittent, code P0705, P0708 are set | See P0705, P0708 conditions. | See P0705, P0708 symptoms. May flash TCIL. | Go To PINPOINT TEST C . |
| P1704 | Digital TR | Digital TR not in P or N positions during KOEO/KOER | Digital TR sensor or shift cable incorrectly adjusted or digital TR circuit failure. | DTC is set. | Go To PINPOINT TEST C . |
| P1705 | Digital TR | Digital TR not in P or N during KOEO/KOER | KOEO/KOER not run in P or N or digital TR circuit failure. | DTC is set. | RERUN KOEO/KOER in P or N or Go To PINPOINT TEST C . |
| P1703 | BPP | Brake not actuated during on-board diagnostic KOER | Brake not cycled during KOER. | Failed ON or not connected - torque converter clutch will not engage at less than 1/3 throttle. Failed OFF or not connected - torque converter clutch will not disengage when brake is applied. | REFER to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. |
| P1703 | BPP | BPP switch circuit failed | Brake ON circuit failure during KOEO. | Failed ON or not connected - torque converter clutch will not engage at less than 1/3 throttle. Failed OFF or not connected - torque converter clutch will not disengage when brake is applied. | REFER to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. |
| P1572 | BPP | BPP switch circuit failed | Brake ON circuit failure during normal operation. | Failed ON or not connected - torque converter clutch will not engage at less than 1/3 throttle. Failed OFF or not connected - torque converter clutch will not disengage when brake is applied. | REFER to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. |
| P0712 | TFT | 157°C (315°F) indicated TFT sensor circuit grounded | Voltage drop across TFT sensor exceeds scale set for temperature of 157°C (315°F). | DTC set. May flash TCIL. | Go To PINPOINT TEST B . |
| P0713 | TFT | 40°C (-40°F) indicated TFT sensor circuit open | Voltage drop across TFT sensor exceeds scale set for temperature -40°C (-40°F). | DTC set. May flash TCIL. | Go To PINPOINT TEST B . |
| P1711 | TFT | TFT out of on-board diagnostic range | Transmission not at operating temperature during on-board diagnostic. | DTC set - vehicle cold or overheated. | Warm or cool vehicle to normal operating temperature. Go To PINPOINT TEST B . |
| P0711 | TFT | No change in TFT | PCM has detected no TFT change during operation. | DTC is set. May flash TCIL. | Go To PINPOINT TEST B . |
| P1783 | TFT | Transmission overtemp condition indicated | Transmission fluid temperature exceeded 127°C (270°F). | Increase in control pressure. May flash TCIL. | Go To PINPOINT TEST B . |
| P1780 | TCS | TCS not changing states | TCS not cycled during OBD test. TCS circuit or switch open or shorted. | No (D) cancel when switch is cycled. | RERUN on-board diagnostic and cycle switch. REFER to TRANSMISSION SELECTOR LEVER . |
| P1501 | VSS input | VSS input high during self test | PCM had detected a VSS input signal during KOER - Self Test. | Cannot run KOER. | STOP vehicle. RERUN KOER - Self Test. If KOER cannot be carried out, REFER to the SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. |
| (1) May also be generated by some other non-electric transmission hardware system. (2) Output circuit check, generated only by electrical symptoms. |
