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Diagnostic Fault Information

WARNING: This page is about a different car, the 2017 GMC Acadia. 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
F7DA (BCM 3) Fuse B+ B3881 01, B3881 04, B3949 01, B3949 04 B3881 01, B3881 04, B3949 01, B3949 04 - -
F13DA (BCM 7) Fuse B+ B3948 01, B3948 04 B3948 01, B3948 04 - -
F21DA (BCM 4) Fuse B+ B3882 01, B3882 04 B3882 01, B3882 04 - -
Turn Signal Switch Signal - Left 2 2 2 -
Turn Signal Switch Signal - Right 2 2 2 -
Turn Signal Control - Left Front B3948 01, B3948 04 B3948 01, B3948 04 B3948 01 -
Stop/Turn Signal Control - Left Rear B3881 02 B3881 01, B3881 04 B3881 01 -
Turn Signal Control - Right Front B3949 01, B3949 04 B3949 01, B3949 04 B3949 01 -
Stop/Turn Signal Control - Right Rear B3882 02 B3882 01, B3882 04 B3882 01 -
Turn Signal - Left Front Ground - 1 - -
Turn Signal - Right Front Ground - 1 - -
Turn Signal - Left Front Ground - 1 - -
Turn Signal - Right Front Ground - 1 - -
Tail Lamp Assembly - Left Rear Ground - 1 - -
Tail Lamp Assembly - Right Rear Ground - 1 - -
Turn Signal/Multifunction Switch Ground - 2 - -
1. Turn Signal Lamps and/or Indicators Malfunction
2. Turn Signal/Multifunction Switch Malfunction