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 MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 34 (PARKING BRAKE SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC C028ADTC DESCRIPTORS
2013 Buick Regal Turbo Premium, Standard Trans
DTC Descriptors
2013 Buick Regal Turbo Premium, Standard TransSECTION DTC Descriptors
WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
- DTC C028A 01
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Park Brake Motor Circuit Short to Battery
- DTC C028A 02
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Park Brake Motor Circuit Short to Ground
- DTC C028A 04
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Park Brake Motor Circuit Open Circuit
- DTC C028A 08
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Park Brake Motor Circuit Performance-Signal Invalid
- DTC C028A 28
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Park Brake Motor Circuit Performance-Incorrect Frequency
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.