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Home >> Cadillac >> 2006 >> STS V >> Repair and Diagnosis >> External Pages >> Different car >> Section 171 (Immobilizer System) >> Diagnostic Information and Procedures >> DTC B0996 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2007 Cadillac SRX. 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:
    • IPC
    • XBCM
    • DDM
    • PDM
    • If any modules VIN does not match the actual VIN perform the setup procedure for that module. If VIN does not match after setup, replace the module.
  2. If all modules VIN match, replace the TDM.
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