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Home >> GMC >> 2021 >> Terrain SLT, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Vehicle Access System >> Diagnostic Information and Procedures >> Power Door Lock Key Cylinder Switches Malfunction >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Signal - Terminal 4 @ A23D Door Latch Assembly - Driver 1* 1 1 -
Ground - 1 - -
* All Doors Lock Malfunction = Intermittent
1. B29D Door Lock Key Cylinder Switch - Driver = Inoperative