Automatic Transmission DTCS
AUTOMATIC TRANSMISSION DIAGNOSTIC TROUBLE CODES (DTC) IDENTIFICATION
| DTC | Component | Description | Condition | Symptom | Test |
|---|---|---|---|---|---|
| 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 SELF-DIAGNOSTICS DTCS table. |
| 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 SELF-DIAGNOSTICS DTCS . |
| 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 SELF-DIAGNOSTICS DTCS . |
| 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 DTCS . |
| 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 SELF-DIAGNOSTICS DTCS . |
| 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 DTCS . |
| 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 DTCS . |
| 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 SELF-DIAGNOSTICS DTCS . |
| P0102, P0103, P1100, P1101 | MAF | MAF concerns | MAF system has a malfunction 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 DTCS . |
| P0300-P0308, P0320, P0340, P1351-P1364 | EI | EI concerns | EI system has a malfunction which may cause a transmission concern. | Harsh engagements and shifts, late WOT shifts, no torque converter clutch engagement. | REFER to SELF-DIAGNOSTICS DTCS . |
| 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 SELF-DIAGNOSTICS DTCS . |
| 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 SELF-DIAGNOSTICS DTCS . |
| 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 SELF-DIAGNOSTICS DTCS . |
| P0731 | 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 On/Off Charts. See illustration "Solenoid Operation Chart" under SHIFT SOLENOID PRE-DIAGNOSIS . Then Go To PINPOINT TEST A . |
| P0732 | 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 On/Off Charts. See See illustration "Solenoid Operation Chart" under SHIFT SOLENOID PRE-DIAGNOSIS . Then Go To PINPOINT TEST A . |
| P0733 | 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 On/Off Charts. See See illustration "Solenoid Operation Chart" under SHIFT SOLENOID PRE-DIAGNOSIS . Then Go To PINPOINT TEST A . |
| P0734 | 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 On/Off Charts. See See illustration "Solenoid Operation Chart" under SHIFT SOLENOID PRE-DIAGNOSIS . Then Go To PINPOINT TEST A . |
| P0750 | 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 On/Off Charts. Will flash MIL. | Go To PINPOINT TEST A . |
| P0753 | 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 On/Off Charts. Will flash TCIL. | Go To PINPOINT TEST A . |
| P0755 | 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 On/Off Charts. Will flash MIL. | Go To PINPOINT TEST A . |
| P0758 | 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 On/Off Charts. Will flash TCIL. | Go To PINPOINT TEST A . |
| - | TCIL | TCIL circuit failure | TCIL circuit open or shorted. | Failed ON - overdrive cancel mode always ON. NO flashing TCIL for EPC failure or sensor. Failed OFF - overdrive cancel mode never indicated. NO flashing TCIL for EPC sensor failure. | REFER to SELF-DIAGNOSTICS DTCS . |
| P1747 | 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 . |
| 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 . |
| P0741 | 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 | 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 . |
| 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 . |
| 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 . |
| 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 . |
| 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 . |
| 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 . |
| 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 . |
| 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 . |
| P1780 | TCS | TCS not changing states | TCS not cycled during self test. TCS circuit open or shorted. | No (D) cancel when switch is cycled during KOER. | RERUN on-board diagnostic and cycle switch. REFER to SELF-DIAGNOSTICS DTCS . |
| 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 . |
| 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 . |
| 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 . |
| P1783 | TFT | Transmission overtemp condition indicated | Transmission fluid temperature exceeded 127°C (270°F). | Increase in EPC pressure. | Go To PINPOINT TEST B . |
| 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 . |
| 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 . |
| 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 . |
| 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 . |
| 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 . |
| 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 . |
| 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 . |
| P1781 | 4x4L | 4x4 low switch failure | Switch closed or shorted during KOEO. | Early or delayed shifts. | REFER to SELF-DIAGNOSTICS DTCS . |
| P1729 | 4x4L | 4x4 low switch failure | Circuit open/shorted. | Early or delayed shifts. | REFER to SELF-DIAGNOSTICS DTCS . |
| P0760 | 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 On/Off Chart. Will flash MIL. | Go To PINPOINT TEST A . |
| P0763 | 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 On/Off Chart. Will flash TCIL. | Go To PINPOINT TEST A . |
| P1746 | 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 . |
| 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 . |
| 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 . |
| 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 . |
| 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 . |
| 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 On/Off Charts. See See illustration "Solenoid Operation Chart" under SHIFT SOLENOID PRE-DIAGNOSIS . Then Go To PINPOINT TEST A . |
| 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 . |
| P0794 | ISS | Intermediate shaft speed sensor signal intermittent | PCM has detected an intermittent ISS signal. | Harsh shifts (2-3). | Go To PINPOINT TEST E . |
| 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 On/Off Charts. Will flash MIL. | Go To PINPOINT TEST A . |
| 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 On/Off Charts. Will flash TCIL. | Go To PINPOINT TEST A . |
| 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 . |