Mike's Workshop Manuals: Service manuals for every vehicle
Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Immobilizer System) >> Diagnostic Information And Procedures >> DTC P1649: Immobilizer Security Code Not Programmed >> Repair Instructions

Repair Instructions

WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for engine control module replacement, programming, and setup.

scientia non olet · About Mike's Workshop Manuals