DTC P0797 (6-Speed A/T)
DTC P0797 : A/T Clutch Pressure Control Solenoid Valve C Stuck ON
NOTE:
- Before you troubleshoot, review the General Troubleshooting Information - Refer to:How to Troubleshoot the A/T System .
- If DTC P0797 is stored in the PCM, the transmission does not shift to any gear other than 1st or 4th gear because of the fail-safe function.
| DTC Description | Confirmed DTC | Pending DTC | Freeze Frame |
|---|---|---|---|
| P0797 A/T Clutch Pressure Control Solenoid Valve C Stuck ON |
DTC (A/T)
- ATF check
- 1. Warm up the engine to normal operating temperature (the radiator fan comes on).
- 2. Make sure that the transmission is filled to the proper level, and check for fluid leaks.
- 3. Drain the ATF through a strainer. Inspect the strainer for metal debris or excessive clutch material.
Does the strainer have metal debris or excessive clutch material?
YES
Replace the transmission - Refer to:Automatic Transmission Removal and Installation (6-Speed A/T) .
NO
Replace the ATF - Refer to:ATF Replacement (6-Speed A/T) , then go to step 2.
- Problem verification
- 1. Turn the vehicle to the ON mode.
- 2. Clear the DTC with the HDS.
- 3. Start the engine.
- 4. With the brake pedal pressed, shift to D, and check the parameter (s) below with the HDS.
Signal Current conditions Values Unit 4th Pressure Switch Does the 4th Pressure Switch turn ON momentarily?
YES
The failure is duplicated. Faulty A/T clutch pressure control solenoid valve C. Replace the secondary valve body (A/T clutch control solenoid valve C) .
NO
Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.