Diagnostic Test

VERIFY CURRENT DTC
NOTE: Diagnose and repair all ECM DTCs prior diagnosing any DTCs set in the TCM.

NOTE: This code was set in the ECM by the Transmission Control Module to indicate a transmission fault. Diagnosis of transmission faults should be done using the Transmission Diagnostic Information.

NOTE: When repairs have been completed, DTCs in the ECM and TCM must be cleared.
1. Turn the ignition on.
2. With the scan tool, erase ECM DTCs only.
3. With the scan tool, read ECM DTCs.
  Does this DTC reset?
  
  Yes
  - Refer to Transmission Diagnostic Information for the related symptoms. Refer to DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Diagnosis and Testing
  No
  - Test Complete.