Astra J
DTC C028DDiagnostic Instructions
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| • | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
| • | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
| • | Diagnostic Procedure Instructions provide an overview of each diagnostic category. |
DTC Descriptors
| DTC C028D 00: Replace Park Brake Pad Malfunction |
Circuit/System Description
The parking brake control module has an internal motor, apply actuator, release actuator, and temperature sensor. The parking brake control module also contains the logic for applying and releasing the park brake when commanded by the park brake control switch. When the parking brake control module receives a signal from the switch, the internal circuit board temperature is checked to verify it is within operating range before the control module performs the requested operation.
Conditions for Running the DTC
Ignition OFF, ACCESSORY, or RUN mode.
Conditions for Setting the DTC
The parking brake control module has an internal counter which keeps track of dynamic applies. When the counter reaches the threshold value this DTC will set.
Action Taken When the DTC Sets
A message and/or a warning indicator may be displayed.
Conditions for Clearing the DTC
| • | The parking brake control module clears the history DTC when a current DTC is not detected in 100 consecutive drive cycles. |
| • | Adjust or replace the park brake pads. |
Reference Information
Schematic Reference
Connector End View Reference
Description and Operation
Electronic Parking Brake Control Module Description
Electrical Information Reference
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
Verify DTC C028D is not set.
If DTC is set, replace the rear brake pads and perform the Parking Brake Calibration procedure.Repair Instructions
Perform the Diagnostic Repair Verification
