DTC C0298
DTC C0298 |
Diagnostic Instructions |
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Perform the
Diagnostic System Check - Vehicle
prior to using this diagnostic procedure.
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Review
Strategy Based Diagnosis
for an overview of the diagnostic approach.
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Diagnostic Procedure Instructions
provides an overview of each diagnostic category.
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DTC Descriptors |
DTC C0298 00
Park Brake Unlatch Switch Circuit 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 detects the apply or release button was activated for more than 90 seconds.
Action Taken When the DTC Sets |
A message and/or a warning indicator may be displayed.
Conditions for Clearing the DTC |
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The parking brake control module clears the history DTC when a current DTC is not detected in 40 ignition cycles.
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The condition for setting the DTC is no longer present.
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The park brake control switch button is released using the scan tool.
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Diagnostic Aids |
Check if the park brake control switch is stuck in the apply or release position which may cause the DTC to set.
Reference Information |
Schematic Reference
Park Brake System Schematics
Connector End View Reference
Component Connector End Views
Description and Operation
Electronic Parking Brake Control Module Description
Electrical Information Reference
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Circuit Testing
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Connector Repairs
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Testing for Intermittent Conditions and Poor Connections
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Wiring Repairs
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Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification |
1. |
Verify DTC C0293 is not set.
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2. |
If DTC C0293 is set, refer to
DTC C0293
.
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3. |
Command the Parking Brake Cable Service Release to Released with a scan tool. The BRAKE light should turn off and the Park Brake Status on the scan tool should display Released.
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4. |
If the BRAKE light does not turn off or the Park Brake Status does not display Released replace the K83 Parking Brake Control Module.
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Repair Instructions |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for parking brake control module replacement, setup, and programming