FixVault

Diagnostic Test

  1. 1)  REPLACE THE FRONT CONTROL MODULE IF DTC IS ACTIVE 

    With the scan tool, read the active FCM DTC's.

    Does the scan tool display this DTC as active? 

    Yes 

    1. Replace and program the Front Control Module. Refer to MODULE-FRONT CONTROL .
    2. Perform BODY VERIFICATION TEST - VER 1 .

    No 

    1. If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.