Automatic Transmission - Electronic Controls DTCS
AUTOMATIC TRANSMISSION - ELECTRONIC CONTROLS DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Component | Description | Condition | Symptom | Action |
|---|---|---|---|---|---|
| P1116 | ECT | ECT out of self-test range. | ECT temperature higher or lower than expected during KOEO and KOER. | Rerun self-test at normal operating temperature. | SELF-DIAGNOSTICS DTC |
| 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 poor fuel economy. | SELF-DIAGNOSTICS DTC |
| P0118 | ECT | ECT indicates -40°C (-40°F). | ETC temperature higher or lower than expected during KOEO and KOER. | Torque converter clutch will always be off, resulting in poor fuel economy. | SELF-DIAGNOSTICS DTC |
| P1124 | TP | TP voltage high/low for self-test. | TP was not in the correct position for self-test. | Rerun at appropriate TP position per application. | SELF-DIAGNOSTICS DTC |
| P0122, P0123, P1120, P1121, P1125 | TP | TP fault codes. | Processor assembly has detected an error. This error may cause a transaxle concern. Refer to SELF-DIAGNOSTICS DTC . |
Harsh engagements, firm shift feel, abnormal shift schedule, torque converter clutch does not engage. Torque converter clutch cycling. | SELF-DIAGNOSTICS DTC |
| P0102, P0103, P1100, P1101 | MAF | MAF fault codes. | MAF system has a fault which may cause a transaxle concern. Refer to SELF-DIAGNOSTICS DTC . |
Incorrect shift schedule, high/low EPC pressure. Incorrect converter engagement scheduling, symptoms similar to a TPS failure. | SELF-DIAGNOSTICS DTC |
| P0300, P0308, P0320, P0340, P1351, P1364 | EI System | EI system fault codes. | Ignition system has a fault which may cause a transaxle concern. Refer to SELF-DIAGNOSTICS DTC . |
Engine fault, no torque converter engagement, late WOT shifts. | SELF-DIAGNOSTICS DTC |
| P1705 | TR | TR not in PARK. | Self-test not run in PARK. | Rerun self-test in PARK. | D |
| P1703 | BPP | Brake not actuated during self-test. | Brake not cycled during KOER. | Failed on or not connected - converter clutch will not engage at less than 1/3 throttle. | SELF-DIAGNOSTICS DTC |
| P1703 | BPP | BPP switch circuit failed. | Brake pedal position switch circuit failure. | Failed off - converter clutch will not disengage when brake is applied. | SELF-DIAGNOSTICS DTC |
| P1460 | A/C | A/C switch error. | A/C or defrost on condition may result from A/C clutch being on during quick test. | Failed on - EPC pressure slightly low with A/C off. Failed off - EPC pressure slightly low with A/C on. | SELF-DIAGNOSTICS DTC |
| P0750 (Output circuit check, generated only by electrical symptoms) P0753 (TCIL code will set on the first fault occurrence. On the second fault occurrence, plus the second power up, the MIL and TCIL will illuminate) |
SSA | SSA solenoid circuit failure. | Solenoid A circuit failed to provide voltage drop across solenoid. Circuit open or shorted or processor driver failure during self-test. | Incorrect gear selection depending on condition mode and manual lever position. See Solenoid ON/OFF Chart. | A |
| P0755 (Output circuit check, generated only by electrical symptoms) P0758 (TCIL code will set on the first fault occurrence. On the second fault occurrence, plus the second power up, the MIL and TCIL will illuminate) |
SSB | SSB solenoid circuit failure. | Solenoid B circuit failed to provide voltage drop across solenoid. Circuit open or shorted or processor driver failure during self-test. | Incorrect gear selection depending on condition mode and manual lever position. See Solenoid ON/OFF Chart. | A |
| P1747 (Output circuit check, generated only by electrical symptoms) P1760 |
EPC | EPC solenoid circuit failure, shorted to ground. | 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 self-test. | Short to ground: Limit engine torque (partial fuel shut-off, heavy misfire). Minimum line pressure. | E |
| 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 self-test. | Open circuit - causes maximum EPC pressure, harsh engagements and shifts. | E |
| P1711 | TFT | TFT out of ST range. | Transaxle not at operating temperature during self-test. | Warm vehicle to normal operating temperature. | 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). | Incorrect torque converter clutch operation. Incorrect EPC pressure control. | B |
| P0712 | TFT | 150°C (302°F) indicated TFT sensor circuit grounded. | Voltage drop across TFT sensor exceeds temperature of 150°C (302°F). | Incorrect torque converter clutch operation. Incorrect EPC pressure control. | B |
| P0715 | TSS | Insufficient input from turbine speed sensor. | PCM detected a loss of TSS signal during operation. | No torque converter engagements or harsh shifts. No fourth gear operation and engine braking in second and third gear. | F |
| P0731 (May also be generated by some other non-electric transaxle hardware system) |
SSA, SSB, or internal parts | First gear failure. | No first gear. | Incorrect gear selection depending on condition mode and manual lever position: see Solenoid ON/OFF Chart. Shift errors may also be due to other internal transaxle concerns (such as stuck valves, damaged friction material). | A |
| P0732 (May also be generated by some other non-electric transaxle hardware system) |
SSA, SSB, or internal parts | Second gear failure. | No second gear. | Incorrect gear selection depending on condition mode and manual lever position: see Solenoid ON/OFF Chart. Shift errors may also be due to other internal transaxle concerns (such as stuck valves, damaged friction material). | A |
| P0733 (May also be generated by some other non-electric transaxle hardware system) |
SSA, SSB, or internal parts | Third gear failure. | No third gear. | Incorrect gear selection depending on condition mode and manual lever position: see Solenoid ON/OFF Chart. Shift errors may also be due to other internal transaxle concerns (such as stuck valves, damaged friction material). | A |
| P0734 (May also be generated by some other non-electric transaxle hardware system) |
SSA, SSB, or internal parts | Fourth gear failure. | No fourth gear. | Incorrect gear selection depending on condition mode and manual lever position: see Solenoid ON/OFF Chart. Shift errors may also be due to other internal transaxle concerns (such as stuck valves, damaged friction material). | A |
| P0743 (Output circuit check, generated only by electrical symptoms) P0740 (TCIL code will set on the first fault occurrence. On the second fault occurrence, plus the second power up, the MIL and TCIL will illuminate) |
TCC | Torque converter clutch solenoid circuit failure during self-test. | TCC solenoid circuit fails to provide voltage drop across solenoid. Circuit shorted or processor drive failure during self-test. | Failed on - engine stalls in manual second, engine lugging, poor performance at low engine speeds, harsh shifts. | C |
| P1780 | TCS | Transmission control switch not changing states during self-test. | Transmission control switch not cycled during self-test. Circuit open or shorted. | Rerun self-test and cycle switch. No overdrive cancel when switch is cycled. | DIAGNOSTIC TROUBLE CODE DEFINITIONS |
| P1783 | TFT | Transaxle over-temperature condition. | Transmission fluid temperature exceeded 132°C (270°F). | Increase in EPC pressure. | B |
| P0707 | TR | TR out of range. Shorted circuit or sensor. | TR sensor, circuit or powertrain control module shorted to ground. | No fourth gear operation, firm shift feel, no manual first gear. No TCC operation. | D |
| P0708 | TR | TR out of range. Open circuit or sensor. | TR sensor, circuit or powertrain control module indicate open. | No fourth gear operation, firm shift feel, no manual first gear. | D |
| P1789 (Output circuit check, generated only by electrical symptoms) |
3-2T/CCS | 3-2T/CCS solenoid circuit failure - short. | 3-2T/CCS circuit fails to provide voltage drop across solenoid. Circuit shorted during self-test. | Failed on - no engine braking (except in OD), delayed 3-2 downshifts. | G |
| P1788 (Output circuit check, generated only by electrical symptoms) |
3-2T/CCS | 3-2T/CCS solenoid circuit failure - open. | 3-2T/CCS circuit fails to provide voltage drop across solenoid. Circuit open or processor drive circuit failure during self-test. | Failed off - engine braking in second/third gears, firm or flared 3-2 downshifts. Harsh 4-3 downshifts. | G |
| P1742, P1743 (TCIL code will set on the first fault occurrence. On the second fault occurrence, plus the second power up, the MIL and TCIL will illuminate) |
TCC | TCC solenoid failed ON. | TCC solenoid has failed on by electrical, mechanical or hydraulic concern. | Harsh shifts, may stall vehicle at low speeds. | C |
| P1744, P1741 (TCIL code will set on the first fault occurrence. On the second fault occurrence, plus the second power up, the MIL and TCIL will illuminate) | TCC | Excessive slip detected. | Excessive slip detected during full TCC engagement. | Torque converter disengaged. EPC pressure at minimum. | C |
| P1751 | SSA | Shift solenoid A functional failure. | Mechanical or hydraulic failure of the solenoid. | Incorrect gear selection depending on failure mode and manual lever position (TCIL flashing). | A |
| P1756 | SSB | Shift solenoid B functional failure. | Mechanical or hydraulic failure of the solenoid. | Incorrect gear selection depending on failure mode and manual lever position (TCIL flashing). | A |
| P0756 | 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). | A |
| P0751 | 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). | A |
| P0721 | OSS | OSS signal noisy. | PCM has detected a noisy OSS sensor signal | Harsh shifts, abnormal shift schedule operation. | F |
| P0720 | OSS | Insufficient input from OSS sensor | PCM has detected a loss of OSS signal during operation. | Harsh shift, abnormal shift schedule operation. | F |
| P0722 | OSS | OSS signal intermittent. | PCM has detected an intermittent OSS signal | Harsh shift, abnormal shift schedule operation. | F |
| P1714 | SSA | SSA fault | Mechanical failure of the solenoid detected. | Incorrect gear selection depending on condition, mode and manual lever position. See Solenoid Operation Chart. | H |
| P1715 | SSB | SSB fault | Mechanical failure of the solenoid detected. | Incorrect gear selection depending on condition, mode and manual lever position. See Solenoid Operation Chart. | H |
| P0717 | TSS | Turbine shaft speed sensor circuit - signal. | PCM has detected NO TSS signal. | Possible harsh shifts, converter locks, or engagements. | F |
| P0718 | TSS | Turbine shaft speed sensor circuit intermittent | PCM has detected a noisy TSS signal. | Possible harsh shifts, converter locks, or engagements. | F |
| P1702 | TRS | Transmission range sensor circuit | Transmission range sensor circuit intermittent | Possible wrong gear(s) commanded. | D |
| P1713 | TFT | Transmission fluid temperature sensor in low failure. | PCM has detected no TFT change at low TCC range during operation. | Increase EPC, incorrect engagement schedule, harsh engagement harsh shifts. | B |
| P1718 | TFT | Transmission fluid temperature sensor in high failure. | PCM has detected no TFT change at high TCC range during operation. | Increase EPC, incorrect engagement schedule, harsh engagement, harsh shifts. | B |
| P1636 | Inductive Signature Clip | Inductive signature clip communication | - | - | SELF-DIAGNOSTICS DTC |
| P1782 | P/E Switch | Perform P/E switch circuit out of self-test range. | P/E switch not cycled during self-test or shorted/opened. | Inability to change switch states | DIAGNOSTIC TROUBLE CODE DEFINITIONS |