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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Parking Brake System) >> Diagnostic Information and Procedures >> DTC C028A, C028B, or C028F: Park Brake >> Conditions for Setting the DTC

Conditions for Setting the DTC

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.

DTC C028A 

The parking brake control module detects an internal motor malfunction.

DTC C028B 

The parking brake control module detects an internal motor position sensor signal malfunction.

DTC C028F 

The parking brake control module detects an internal park brake solenoid malfunction.

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