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DTC C028D

Diagnostic Instructions

    • 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 Hand brake Pad Malfunction

Circuit/System Description

The hand brake control module has an internal motor, apply actuator, release actuator, and temperature sensor. The hand brake control module also contains the logic for applying and releasing the hand brake when commanded by the hand brake control switch. When the hand 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 hand 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 hand brake control module clears the history DTC when a current DTC is not detected in 100 consecutive drive cycles.
    • Adjust or replace the hand brake pads.

Reference Information

Schematic Reference

Hand brake System Schematics

Connector End View Reference

Component Connector End Views

Description and Operation

Electronic Hand brake Control Module Description

Electrical Information Reference

    •  Circuit Testing
    •  Connector Repairs
    •  Testing for Intermittent Conditions and Poor Connections
    •  Wiring Repairs

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 Hand brake Calibration procedure.

Repair Instructions

Perform the Diagnostic Repair Verification

    •  Rear Disc Brake Pads Replacement
    •  Control Module References
   


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