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.
Circuit/System Verification
C0574 01 or C0574 02
Remove the EPB fuse and reinstall. Verify DTC C0574 is not set.
- If DTC is set, replace the K83 Parking Brake Control Module.
C0574 54
- Allow the parking brake control module to cool down for 15 minutes.
- Verify DTC C0574 54 is not set.
- If DTC is set, replace the K83 Parking Brake Control Module.
Diagnose all other parking brake control module system related faults before performing this diagnostic. Other faults may cause the circuit board to overheat. Do not attempt to apply the electric parking brake.
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.