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.
2017 GMC Acadia SLFACTORY OEM SERVICE PROCEDURE
Section 249 (Parking Brake System)
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.
- Specifications
- Schematic Wiring Diagrams
- Diagnostic Information and Procedures
- DTC C028A, C028B, or C028F: Park Brake
- DTC C027D: Park Brake Slip Detected
- DTC C028E: Park Brake Solenoid Actuator Current Sensor
- DTC C0293: Park Brake Switch
- DTC C0298: Park Brake Unlatch Switch
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Test
- Repair Instructions
- DTC C0558: Calibration Data
- DTC C0561: System Disabled Information Stored Invalid Data
- DTC C056D: Electronic Control Unit Hardware
- DTC C056E: Electronic Control Unit Software
- DTC C0574: Printed Circuit Board Temperature Sensor
- Symptoms - Park Brake
- Park Brake Will Not Hold or Release
- Park Brake System Diagnosis
- Park Brake Hardware Inspection
- Parking Brake Shoe Inspection
- Repair Instructions
- Electronic Parking Brake Control Module Replacement
- Parking Brake Shoe Replacement
- Parking Brake Lever Replacement
- Parking Brake Switch Replacement (Automatic)
- Parking Brake Switch Replacement (Manual)
- Parking Brake Intermediate Cable Replacement
- Parking Brake Rear Cable Replacement
- Parking Brake Cable Adjuster Disabling (With J77)
- Parking Brake Cable Adjuster Disabling (Without J77)
- Parking Brake Cable Adjuster Enabling (Without J77)
- Parking Brake Cable Adjuster Enabling (With J77)
- Rear Parking Brake Actuator Lever Replacement
- Parking Brake Adjustment
- Description and Operation
- Special Tools and Equipment
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
