DTC C0298
Diagnostic Instructions
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 parking 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
• |
The parking brake control
module clears the history DTC when a current DTC is not detected in
40 ignition cycles. |
• |
The condition for the DTC is
no longer present. |
• |
The park brake control switch
button is released using the scan tool. |
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
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
1. |
Verify DTC C0293 is not
set. |
2. |
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. |
⇒ |
If the BRAKE light does not turn off or the Park
Brake Status does not display Released replace the K83 Parking
Brake Control Module. |
Repair Instructions
Perform the
Diagnostic Repair Verification
|