Transmissions DTCS: 4F50N
DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Component | Description | Condition | Symptom | Perform Test |
|---|---|---|---|---|---|
| P0712 | TFT | TFT sensor circuit voltage input too low and temperature input too high. | Temperature sensor input indicates a short to ground. | Torque converter clutch and stabilized shift schedule may be enabled sooner after cold start. Harsh or soft shifts. | GO to PINPOINT TEST B . |
| P0713 | TFT | TFT sensor circuit voltage input too low and temperature input too high. | Temperature sensor input indicates an open circuit. | Torque converter clutch and stabilized shift schedule may be enabled sooner after cold start. Harsh or soft shifts. | GO to PINPOINT TEST B . |
| P1711 | TFT | TFT out of on-board diagnostic range. | Transaxle not at operating -4°C-116°C (25°F-240°F) temperature during on-board diagnostics. | Warm or cool vehicle to normal operating temperature. | GO to PINPOINT TEST B . |
| P0711 | TFT | No change in TFT sensor input. | PCM has detected no TFT change at low-range or high-range during operation. | May flash TCIL. | GO to PINPOINT TEST B . |
| P1783 | TFT | Transaxle overtemp condition indicated 149°C (300°F). | Fluid temperature exceeded 149°C (300°F). | Increase in EPC pressure during overtemp only. Will display Trans Overtemp message. | GO to PINPOINT TEST B . |
| P0715 | TSS | Insufficient input from Turbine Shaft Speed (TSS) Sensor. | Powertrain control module detected a loss of TSS signal during operation. | Incorrect TCC engagements. Increased engine RPM on engagements, harsh shifts. Will display Check Transmission message. | GO to PINPOINT TEST F . |
| P0717 | TSS | Insufficient input from Turbine Shaft Speed (TSS) sensor. | PCM detected a loss of TSS signal during operation. | Incorrect TCC engagements. Increased engine rpm on engagements, harsh shifts. Will display Check Transmission message. | GO to PINPOINT TEST F . |
| P0718 | TSS | TSS signal intermittent. | PCM has detected an erratic or no TSS signal. | - | GO to PINPOINT TEST F . |
| P0720 | OSS | Insufficient input from OSS sensor. | PCM detected a loss of OSS signal during operation. | Harsh shifts, and abnormal shift schedule. (MIL on) Will display Check Transmission message. | GO to PINPOINT TEST G . |
| P0721 | OSS | Output shaft speed sensor signal noisy. | PCM has detected an erratic OSS signal. | Harsh shifts, and abnormal shift schedule. | GO to PINPOINT TEST G . |
| P0722 | OSS | Output shaft speed sensor signal intermittent. | PCM has detected an erratic or no OSS signal. | Will display Check Transmission message. | GO to PINPOINT TEST G . |
| P1714 | SSA | SSA failure. | 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 H . |
| P0750, P0753 Output circuit check, generated only by electrical symptoms. | SSA | SSA solenoid circuit failure. | Solenoid 1 circuit failed to provide voltage drop across solenoid. Circuit open or shorted or PCM drive failure during on-board diagnostic. | Incorrect gear selection depending on condition mode and manual lever position. See Solenoid On/Off chart. Will display Check Transmission message. | GO to PINPOINT TEST A . |
| P0755, P0758 Output circuit check, generated only by electrical symptoms. | SSB | SSB solenoid circuit failure. | Solenoid 2 circuit fails to provide voltage drop across solenoid. Circuit open or shorted or PCM drive failure during on-board diagnostics. | Incorrect gear selection depending on condition mode and manual lever position. See SOLENOID OPERATION CHART . Will display Check Transmission message. | GO to PINPOINT TEST A . |
| P1715 | SSB | SSB failure. | 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 H . |
| P1716 | SSC | SSC failure. | 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 H . |
| P0760, P0763 Output circuit check, generated only by electrical symptoms. | SSC | SSC solenoid circuit failure. | Solenoid 3 circuit fails to provide voltage drop across solenoid. Circuit open or shorted or PCM drive circuit failure during on-board diagnostic. | Incorrect gear selection depending on condition mode and manual lever position. See SOLENOID OPERATION CHART . Will display Check Transmission message. | GO to PINPOINT TEST A . |
| P0731 | SSA, SSB or internal parts | 1st gear failure. | Incorrect gear ratio while commanding 1st gear. | Incorrect gear selection depending on condition mode and manual lever position: see SOLENOID OPERATION CHART . Shift errors may also be due to other internal transaxle concerns (such as stuck valves, damaged friction material) (TCIL flashing, California only). | GO to PINPOINT TEST A . |
| P0732 | SSA, SSB or internal parts | 2nd gear failure. | Incorrect gear ratio while commanding 2nd gear. | Incorrect gear selection depending on condition mode and manual lever position: see SOLENOID OPERATION CHART . Shift errors may also be due to other internal transaxle concerns (such as stuck valves, damaged friction material) (TCIL flashing, California only). | GO to PINPOINT TEST A . |
| P0733 | SSA, SSC or internal parts | 3rd gear failure. | Incorrect gear ratio while commanding 3rd gear. | Incorrect gear selection depending on condition mode and manual lever position: see SOLENOID OPERATION CHART . Shift errors may also be due to other internal transaxle concerns (such as stuck valves, damaged friction material) (TCIL flashing, California only). | GO to PINPOINT TEST A . |
| P0734 | SSA, SSC, or internal parts | 4th gear failure. | Incorrect gear ratio while commanding 4th gear. | Incorrect gear selection depending on condition mode and manual lever position: see SOLENOID OPERATION CHART . Shift errors may also be due to other internal transaxle concerns (such as, stuck valves, damaged friction material) (TCIL flashing, California only). | GO to PINPOINT TEST A . |
| P0705 | Digital TR sensor | Digital TR sensor circuit failure. | Digital TR sensor 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 D . |
| 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 D . |
| P1702 | Digital TR sensor | Digital TR sensor signal intermittent, code P0705, P0708 are set. | See P0705, P0708 conditions. | See P0705, P0708 symptoms. | GO to PINPOINT TEST D . |
| P1705 | Digital TR sensor | Digital TR sensor not in PARK or NEUTRAL during KOEO/KOER. | KOEO/KOER not run in PARK or NEUTRAL; or digital TR sensor circuit failure. | Rerun KOEO/KOER in PARK or NEUTRAL. | GO to PINPOINT TEST D . |
| P1740 | TCC | TCC failure. | Mechanical failure of the solenoid detected. | Torque converter never applies. | GO to PINPOINT TEST C . |
| P1742a | TCC | TCC Solenoid Failed ON. | TCC Solenoid has failed ON by electrical, mechanical or hydraulic concern. | Harsh shifts, may stall vehicle at low speeds. May activate MIL. | GO to PINPOINT TEST C . |
| P1743a | TCC | TCC Solenoid Mechanically Failed ON. | TCC solenoid has mechanically failed ON. Either mechanical or hydraulic concern. | Harsh shifts, may stall vehicle at low speeds. May flash TCIL. | GO to PINPOINT TEST C . |
| P1744, P0741 | TCC | Excessive slip detected. | Excessive slip detected during full TCC engagement. | Torque converter disengaged. EPC pressure at minimum. May activate MIL. | GO to PINPOINT TEST C . |
| 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 drive failure during on-board diagnostic. | Failed ON - engine runs rough/vehicle shudder, engine stalls in DRIVE (2nd, 3rd or 4th) at low idle speeds. (Short circuit). Failed OFF - converter never engages (Open circuit) (MIL on). | GO to PINPOINT TEST C . |
| P0740 | TCC | TCC solenoid circuit failure during on-board diagnostic. Intermittent circuit failure. | TCC solenoid circuit fails to provide voltage drop across solenoid. Circuit open or shorted or PCM drive failure during on-board diagnostic. | Failed ON - engine runs rough/vehicle shudder, engine stalls in DRIVE (2nd, 3rd or 4th) at low idle speeds. (Short circuit). Failed OFF - converter never engages (Open circuit) (MIL on). | GO to PINPOINT TEST C . |
| P1747 Output circuit check, generated only by electrical symptoms. | EPC | EPC solenoid circuit failure, shorted circuit or 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 on-board diagnostics. | Short Circuit - Causes failsafe EPC pressure (maximum capacity). Harsh engagements and shifts (MIL on). | GO to PINPOINT TEST E . |
| P0960 | PCS | PCS open circuit failure. | 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 on-board diagnostics. | Open Circuit - Causes maximum EPC pressure, harsh engagements and shifts (TCIL flashing). | GO to PINPOINT TEST E . |
| P0962 | PCS | PCS circuit 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 on-board diagnostic. | The PCM removes VPWR to the PCS which opens the circuit and provides maximum pressure. | GO to PINPOINT TEST E . |
| P0963 | PCS | PCS circuit shorted to VPWR. | 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 on-board diagnostic. | The PCM removes VPWR to the PCS which opens the circuit and provides maximum pressure. | GO to PINPOINT TEST E . |