2825-Glow Plug Module Internal: Notes

For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS .

• When Monitored: 

  With the ignition on.

• Set Condition: 

  The Glow Plug Control Module reports an internal fault to the ECM.

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