DTC Troubleshooting: P0971 (29)
DTC P0971:
 Problem in A/T Clutch Pressure Control Solenoid Valve C
NOTE:
  • Before you troubleshoot, record all freeze data and any on-board snapshot with the HDS, 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. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  1. Start the engine, and wait for at least 1 second.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0971 indicated?
YES -
Go to Step 8 .
NO -
Go to Step 5 .
  1. Select Clutch Pressure Control (Linear) Solenoid Valve 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 6 .
NO -
Go to Step 8 .
  1. In the Clutch Pressure Control Solenoid Valve Control menu, select A/T clutch pressure control solenoid valve C at 0.2 A.
  1. Monitor the OBD STATUS for P0971 in the DTCs MENU with the HDS.
Does the HDS indicate FAILED?
YES -
Go to Step 8 .
NO -
If the HDS indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals between A/T clutch pressure control solenoid valve C and the PCM. If the HDS indicates NOT COMPLETED, go to Step 5 .
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the A/T clutch pressure control solenoid valve C connector.
  1. Measure the resistance between A/T clutch pressure control solenoid valve C connector terminals No. 1 and No. 2.
Is there 3−10 Ω?
YES -
Go to Step 11 .
NO -
Replace A/T clutch pressure control solenoid valve C, then go to Step 12 .