LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1139 (Immobilizer System) >> Diagnostic Information and Procedures >> DTC B0996 (with RPO Y41) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. With a scan tool, verify the stored VIN in the following modules matches the actual vehicle VIN:
    • IPC
    • XBCM
    • DDM
    • PDM
    • If any modules stored VIN does not match the actual VIN, perform the setup procedure for that module. If the stored VIN does not match after setup, replace the module.
  2. If all modules VIN match, replace the RCDLR.
scientia non olet · About LEMON Manuals