Code Description

For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS .

• When Monitored: 

  Ignition on, engine running.

• Set Condition: 

  When the ECM recognizes an internal failure has occurred. One trip fault.

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  DTC-Based Diagnostics/MODULE, Engine Control (ECM) - Standard Procedure  .