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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 256 (Mirror System) >> Diagnostic Information and Procedures >> Power Mirror Malfunction (Without A45) >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Outside Rearview Mirror Switch B+ 1 1 - -
Driver Mirror Motor Horizontal Control 1 2 2 -
Driver Mirror Motor Vertical Control 1 2 2 -
Passenger Mirror Motor Horizontal Control 1 3 3 -
Passenger Mirror Motor Vertical Control 1 3 3 -
Outside Rearview Mirror Switch Ground - 1 - -
1. Both Outside Power Mirrors Inoperative
2. Driver Outside Power Mirror Malfunction
3. Passenger Outside Power Mirror Malfunction