Automatic Transmission DTCS
AUTOMATIC TRANSMISSION DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Component | Description | Condition | Symptom | Action |
|---|---|---|---|---|---|
| P0731 May also be generated by some other non-electric transmission hardware system |
SSA, SSB, SSC or internal parts | 1st gear error | No 1st gear. | Incorrect gear selection depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material). | REFER to the SOLENOID OPERATION CHART . Then Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH (TCC) SOLENOIDS . |
| P0732 May also be generated by some other non-electric transmission hardware system |
SSA, SSB, SSC or internal parts | 2nd gear error | No 2nd gear. | Incorrect gear selection depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material). | REFER to the SOLENOID OPERATION CHART . Then Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH (TCC) SOLENOIDS . |
| P0733 May also be generated by some other non-electric transmission hardware system |
SSA, SSB, SSC or internal parts | 3rd gear error | No 3rd gear. | Incorrect gear selection depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material). | REFER to the SOLENOID OPERATION CHART . Then Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH (TCC) SOLENOIDS . |
| P0734 May also be generated by some other non-electric transmission hardware system |
SSA, SSB, SSC or internal parts | 4th gear error | No 4th gear. | Incorrect gear selection depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material). | REFER to the SOLENOID OPERATION CHART . Then Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH (TCC) SOLENOIDS . |
| P0750 Output circuit check, generated only by electrical symptoms. |
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. | Incorrect gear selection depending on condition mode and manual lever position. See SOLENOID OPERATION CHART . Will flash MIL. | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH (TCC) SOLENOIDS . |
| P0753 Output circuit check, generated only by electrical symptoms. |
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. | Incorrect gear selection depending on condition mode and manual lever position. See SOLENOID OPERATION CHART . Will flash TCIL. | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH (TCC) SOLENOIDS . |
| P0755 Output circuit check, generated only by electrical symptoms. |
SSB | SSB solenoid circuit failure | SSB circuit fails to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during on-board diagnostic. | Incorrect gear selection depending on condition mode and manual lever position. See SOLENOID OPERATION CHART . Will flash MIL. | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH (TCC) SOLENOIDS . |
| P0758 Output circuit check, generated only by electrical symptoms. |
SSB | SSB solenoid circuit failure | SSB circuit fails to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during on-board diagnostic. | Incorrect gear selection depending on condition mode and manual lever position. See SOLENOID OPERATION CHART . Will flash TCIL. | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH (TCC) SOLENOIDS . |
| P1747 May also be generated by some other non-electric transmission hardware system |
EPC | EPC solenoid circuit failure, shorted circuit to ground. | Voltage through EPC solenoid is checked. An error will be noted if tolerance is exceeded. | Short circuit - causes minimum EPC pressure (minimum capacity) and limits engine torque (alt. firing). With zero EPC - no engagements. If engagement occurs and then EPC goes to zero, then No. 2nd, 3rd, and 5th gears. Slips in 1st and 4th with high input torque. | Go To PINPOINT TEST D: ELECTRONIC PRESSURE CONTROL (EPC) SOLENOID . |
| P0740 | TCC | TCC circuit intermittent | PCM has detected an intermittent TCC circuit signal. | Short circuit - converter clutch always engages. Open circuit - torque converter clutch never engages. Engine RPM may be higher or lower than expected. May flash TCIL. | Go To PINPOINT TEST F: SOLENOID MECHANICAL FAILURE . |
| P0741 May also be generated by some other non-electric transmission hardware system |
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. Flash TCIL. | REFER to DIAGNOSIS BY SYMPTOM . |
| 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 driver failure during on-board diagnostics. | Short circuit - engine stalls in second (OD, 2 range) at low idle speeds with brake applied. Open circuit - torque converter clutch never engages. | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH (TCC) SOLENOIDS . |
| P1740 | TCC | TCC malfunction | Mechanical failure of the solenoid detected. | Failed ON - engine stalls in 2nd (O/D, Manual 2 ranges) at low idle speeds with brake applied. Failed OFF - torque converter never applies. | Go To PINPOINT TEST F: SOLENOID MECHANICAL FAILURE . |
| P0715 | TSS | Insufficient input from turbine shaft speed sensor | PCM detected a loss of TSS signal during operation. | Harsh shifts, abnormal shift schedule, no torque converter clutch activation. | Go To PINPOINT TEST E: TURBINE SHAFT SPEED (TSS), INTERMEDIATE SHAFT SPEED (ISS), AND OUTPUT SHAFT SPEED (OSS) SENSORS . |
| P0717 | TSS | TSS circuit intermittent | PCM has detected an intermittent TSS circuit signal. | Harsh shifts, abnormal shifts and no torque converter engagement. May flash TCIL. | Go To PINPOINT TEST E: TURBINE SHAFT SPEED (TSS), INTERMEDIATE SHAFT SPEED (ISS), AND OUTPUT SHAFT SPEED (OSS) SENSORS . |
| P0718 | TSS | TSS signal noisy | PCM has detected a noisy TSS signal. | Harsh shifts, abnormal shifts and no torque converter engagement. May flash TCIL. | Go To PINPOINT TEST E: TURBINE SHAFT SPEED (TSS), INTERMEDIATE SHAFT SPEED (ISS), AND OUTPUT SHAFT SPEED (OSS) SENSORS . |
| P0720 | OSS | Insufficient input from OSS sensor | PCM detected a loss of OSS signal during operation. | Harsh shifts, abnormal shift schedule, no torque converter clutch engagement. | Go To PINPOINT TEST E: TURBINE SHAFT SPEED (TSS), INTERMEDIATE SHAFT SPEED (ISS), AND OUTPUT SHAFT SPEED (OSS) SENSORS . |
| P0721 | OSS | Output shaft speed sensor signal noisy | PCM has detected an erratic OSS signal. | Harsh shifts, abnormal shift schedule, no torque converter clutch engagement. | Go To PINPOINT TEST E: TURBINE SHAFT SPEED (TSS), INTERMEDIATE SHAFT SPEED (ISS), AND OUTPUT SHAFT SPEED (OSS) SENSORS . |
| P0722 | OSS | OSS circuit intermittent | PCM has detected an intermittent OSS circuit signal. | Harsh shifts, abnormal shifts and no torque converter engagement. May flash TCIL. | Go To PINPOINT TEST F: SOLENOID MECHANICAL FAILURE . |
| 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. Then Go To PINPOINT TEST B: TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR . |
| 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). | Firm shift feel. | Go To PINPOINT TEST B: TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR . |
| 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). | Firm shift feel. | Go To PINPOINT TEST B: TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR . |
| P1783 | TFT | Transmission overtemp condition indicated | Transmission fluid temperature exceeded 127°C (270°F). | Increase in EPC pressure. | Go To PINPOINT TEST B: TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR . |
| P1713 | TFT | No change in TFT - low range | PCM has detected no TFT change at low range during operation. | Increase EPC, incorrect TCC engagement schedule, harsh engagement, harsh shifts. | Go To PINPOINT TEST B: TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR . |
| P1718 | TFT | No change in TFT - high range | PCM has detected no TFT change at high range during operation. | Increase EPC, incorrect TCC engagement schedule, harsh engagement, harsh shifts. | Go To PINPOINT TEST B: TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR . |
| P1704 | Digital TR | Digital TR circuits reading in-between gear positions during KOEO/KOER. | Digital TR sensor or shift cable incorrectly adjusted or Digital TR circuit failure. | Wrong commanded EPC pressure. Digital TR reading the wrong gear position. (i.e., in overdrive position, transmission stuck in manual 2). | Go To PINPOINT TEST C: DIGITAL TRANSMISSION RANGE (TR) SENSOR . |
| P1705 | Digital TR | Digital TR not in PARK or NEUTRAL during KOEO/KOER. | KOEO/KOER not run in PARK or NEUTRAL; or Digital TR circuit failure. | Rerun KOEO/KOER in PARK or NEUTRAL. | Go To PINPOINT TEST C: DIGITAL TRANSMISSION RANGE (TR) SENSOR . |
| 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. | 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 C: DIGITAL TRANSMISSION RANGE (TR) SENSOR . |
| 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 C: DIGITAL TRANSMISSION RANGE (TR) SENSOR . |
| P1702 | Digital TR | Digital TR signal intermittent, code P0705, P0708 are set. | See P0705, P0708 conditions. | See P0705, P0708 symptoms. | Go To PINPOINT TEST C: DIGITAL TRANSMISSION RANGE (TR) SENSOR . |
| P0760 Output circuit check, generated only by electrical symptoms. |
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. | Incorrect gear selection depending on condition mode and manual lever position. See SOLENOID OPERATION CHART . Will flash MIL. | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH (TCC) SOLENOIDS . |
| P0763 Output circuit check, generated only by electrical symptoms. |
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. | Incorrect gear selection depending on condition mode and manual lever position. See SOLENOID OPERATION CHART . Will flash TCIL. | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH (TCC) SOLENOIDS . |
| P1746 May also be generated by some other non-electric transmission hardware system |
EPC | EPC solenoid circuit open | Voltage through EPC solenoid is checked. Error is noted if tolerance is exceeded. | Open circuit - causes maximum EPC pressure, harsh engagements and shifts. | Go To PINPOINT TEST D: ELECTRONIC PRESSURE CONTROL (EPC) SOLENOID . |
| P1714 | SSA | SSA malfunction | 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 F: SOLENOID MECHANICAL FAILURE . |
| P1715 | SSB | SSB malfunction | 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 F: SOLENOID MECHANICAL FAILURE . |
| P1716 | SSC | SSC malfunction | 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 F: SOLENOID MECHANICAL FAILURE . |
| P1717 | SSD | SSD malfunction | 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 F: SOLENOID MECHANICAL FAILURE . |
| P0735 | SSA, SSB, SSC, SSD or internal parts | 5th gear error | No 5th gear. | Incorrect gear selection depending on failure or mode and manual lever position. Shift errors may also be due to other internal transmission concerns (stuck valves, damaged friction material etc.). | REFER to the SOLENOID OPERATION CHART . Then Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH (TCC) SOLENOIDS . |
| P0791 | ISS | Intermediate shaft speed sensor signal failure. | PCM has detected a loss of the ISS signal. | Harsh shifts (2-3). | Go To PINPOINT TEST E: TURBINE SHAFT SPEED (TSS), INTERMEDIATE SHAFT SPEED (ISS), AND OUTPUT SHAFT SPEED (OSS) SENSORS . |
| P0794 | ISS | Intermediate shaft speed sensor signal intermittent | PCM has detected an intermittent ISS signal. | Harsh shifts (2-3). | Go To PINPOINT TEST E: TURBINE SHAFT SPEED (TSS), INTERMEDIATE SHAFT SPEED (ISS), AND OUTPUT SHAFT SPEED (OSS) SENSORS . |
| P1636 | SSx | SSx ISIG communication error | PCM has detected an error with the ISIG chip. | - | INSTALL a new PCM. |
| 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. | Incorrect gear selection depending on condition, mode and manual lever position. See the SOLENOID OPERATION CHART . Will flash MIL. | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH (TCC) SOLENOIDS . |
| 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. | Incorrect gear selection depending on condition, mode and manual lever position. See the SOLENOID OPERATION CHART . Will flash TCIL. | Go To PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH (TCC) SOLENOIDS . |
| P1760 | PCA | PCA solenoid intermittent short to ground or power | Voltage through PCA solenoid is checked. An error will be noted if tolerance is exceeded. | Third gear only in the OD detent. No converter engagement and SS1 is OFF in Reverse. For a short to ground, circuit causes minimum PCA pressure (minimum capacity) and limits engine torque (alternate firm). Slips in gear and third gear incorrect. Will flash TCIL. Open circuit causes maximum PCA pressure, harsh engagements and shifts. Will flash TCIL. | Go To PINPOINT TEST D: ELECTRONIC PRESSURE CONTROL (EPC) SOLENOID . |