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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1139 (Immobilizer System) >> Diagnostic Information and Procedures >> Hood Ajar Indicator/Message Malfunction >> Repair Procedures

Repair Procedures

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.

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.