Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK2012VERANOREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEXPARKING BRAKE SYSTEM - DIAGNOSTIC TROUBLE CODES
2012 Buick Verano
Parking Brake System - Diagnostic Trouble Codes
2012 Buick VeranoSECTION Parking Brake System - Diagnostic Trouble Codes
POWER DOOR LOCK SYSTEM AND RELEASE SYSTEMS - DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC C028A | DTC C028A 01 Park Brake Motor Circuit Short to Battery DTC C028A 02 Park Brake Motor Circuit Short to Ground DTC C028A 04 Park Brake Motor Circuit Open Circuit DTC C028A 08 Park Brake Motor Circuit Performance-Signal Invalid DTC C028A 28 Park Brake Motor Circuit Performance-Incorrect Frequency |
| DTC C028B | DTC C028B 08 Park Brake Motor Position Sensor Signal Performance-Signal Invalid DTC C028B 26 Park Brake Motor Position Sensor Signal Low Frequency DTC C028B 29 Park Brake Motor Position Sensor Signal Too Few Pulses DTC C028B 2A Park Brake Motor Position Sensor Signal Too Many Pulses |
| DTC C028D | DTC C028D 00 Replace Park Brake Pad Malfunction |
| DTC C028F | DTC C028F 01 Park Brake Solenoid Actuator Circuit Short to Battery DTC C028F 02 Park Brake Solenoid Actuator Circuit Short to Ground DTC C028F 08 Park Brake Solenoid Actuator Circuit Performance-Signal Invalid |
| DTC C0293 | DTC C0293 01 Park Brake Switch Control Short to Battery DTC C0293 06 Park Brake Switch Control Low Voltage/Open DTC C0293 08 Park Brake Switch Control Performance-Signal Invalid |
| DTC C0298 | DTC C0298 00 Park Brake Unlatch Switch Circuit Malfunction |
| DTC C0558 | DTC C0558 55 Calibration Data Too Few Transitions DTC C0558 5A Calibration Data Not Plausible |
| DTC C0561 | DTC C0561 71 System Disabled Information Stored-Invalid Serial Data Received |
| DTC C056D | DTC C056D 34 ECU Hardware Performance RAM Failure DTC C056D 35 ECU Hardware Performance ROM Failure DTC C056D 36 ECU Hardware Performance EEPROM Failure DTC C056D 37 ECU Hardware Performance Watchdog/Safety uC Failure DTC C056D 39 ECU Hardware Performance Internal Electronic Failure DTC C056D 3C ECU Hardware Performance Internal Communications Failure |
| DTC C056E | DTC C056E 41 Electronic Control Unit Software Not Programmed DTC C056E 42 Electronic Control Unit Software Calibration Not Programmed DTC C056E 5A Electronic Control Unit Software Not Plausible |
| DTC C0574 | DTC C0574 01 Circuit Board Temperature Sensor Short to Battery DTC C0574 02 Circuit Board Temperature Sensor Short to Ground DTC C0574 54 Circuit Board Temperature Sensor High |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.