DTC Troubleshooting
DTC P0970: Problem in A/T Clutch Pressure Control Solenoid Valve C CircuitNOTE:
^ Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.
^ This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.
1. Clear the DTC with the HDS.
2. Check that DTC P0970 recurs.
Is DTC P0970 indicated?
Yes - Go to step 6.
No - Go to step 3.
3. Select Clutch Pressure Control (Linear) Solenoid C in the Miscellaneous Test Menu, and test A/T clutch pressure control solenoid valve C with the HDS.
Does the HDS indicate NORMAL?
Yes - Go to step 4.
No - Go to step 6.
4. In the Clutch Pressure Control Solenoid control menu, select Clutch Pressure Control Solenoid C at 1.0 A.
5. Monitor the OBD STATUS for P0970 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the HDS indicate FAILED?
Yes - Go to step 6.
No - Intermittent failure, the system is OK at this time. Check for poor connections and loose terminals at A/T clutch pressure control solenoid valve C and the PCM. If the HDS indicates NOT COMPLETED, return to step 3 and recheck.
6. Turn the ignition switch to LOCK (0).
7. Disconnect the A/T clutch pressure control solenoid valve C connector.
8. Measure the resistance between A/T clutch pressure control solenoid valve C connector terminals No. 1 and No. 2.
Is there 3-10 Ohms?
Yes - Go to step 9.
No - Replace A/T clutch pressure control solenoid valve C, then go to step 18.
9. Check for continuity between A/T clutch pressure control solenoid valve C connector terminal No. 2 and body ground.
Is there continuity?
Yes - Go to step 10.
No - Repair open in the wire between A/T clutch pressure control solenoid valve C and ground (G101), or repair poor ground (G101), then go to step 17.
10. Disconnect PCM connector B (44P).
11. Check for continuity between PCM connector terminal B25 and A/T clutch pressure control solenoid valve C connector terminal No. 1.
Is there continuity?
Yes - Go to step 12.
No - Repair open in the wire between PCM connector terminal B25 and A/T clutch pressure control solenoid valve C, then go to step 17.
12. Connect the A/T clutch pressure control solenoid valve C connector and PCM connector B (44P).
13. Update the A/T software in the PCM if it does not have the latest software, or substitute a known-good PCM.
14. Turn the ignition switch to ON (II), and wait for at least 1 second. Then start the engine, and wait for at least 1 second.
15. Check for DTC(s) in the DTCs/Freeze Data in A/T Mode Menu with the HDS.
Is DTC P0970 indicated?
Yes - If the PCM was updated, substitute a known-good PCM, then recheck. If the PCM was substituted, reinstall the original PCM, then go to step 1.
No - Go to step 16.
16. Monitor the OBD STATUS for P0970 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the HDS indicate PASSED?
Yes - If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM. If any other DTCs were indicated on step 15, go to the indicated DTC's troubleshooting.
No - Check for poor connections and loose terminals at A/T clutch pressure control solenoid valve C and the PCM. If the PCM was updated, substitute a known-good PCM, then recheck. If the PCM was substituted, reinstall the original PCM, then go to step 1. If the HDS indicates NOT COMPLETED, return to step 14 and recheck.
17. Connect the A/T clutch pressure control solenoid valve C connector.
18. Clear the DTC with the HDS.
19. Turn the ignition switch to ON (II), and wait for at least 1 second. Then start the engine, and wait for at least 1 second.
20. Check for DTC(s) in the DTCs/Freeze Data in A/T Mode Menu with the HDS.
Is DTC P0970 indicated?
Yes - Check for poor connections and loose terminals at A/T clutch pressure control solenoid valve C and the PCM, then go to step 1.
No - Go to step 21.
21. Monitor the OBD STATUS for P0970 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the HDS indicate PASSED?
Yes - Troubleshooting is complete. If any other DTCs were indicated on step 20, go to the indicated DTC's troubleshooting.
No - Check for poor connections and loose terminals at A/T clutch pressure control solenoid valve C and the PCM, then go to step 1. If the HDS indicates NOT COMPLETED, return to step 19 and recheck.