2010 Cadillac Truck SRX AWD V6-3.0L Page 834
C0574 54
The parking brake control module has detected an internal temperature that is above the allowed value.
Action Taken When the DTC Sets
* A message and/or a warning indicator may be displayed.
* The electric parking brake is disabled, one release allowed.
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 parking brake control module is replaced or the internal temperature drops below the allowed temperature.
Diagnostic Aids
Check for debris on the parking brake control module which may cause the module to overheat.
Reference Information
Schematic Reference
Park Brake System Schematics (See: Brakes and Traction Control/Parking Brake System/Diagrams/Electrical Diagrams)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)
Description and Operation
Electronic Parking Brake Control Module Description (See: Brakes and Traction Control/Parking Brake System/Parking Brake Control
Module/Description and Operation)
Electrical Information Reference
* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit
Testing/Circuit Testing)
* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic
Procedures/Connector Repairs/Connector Repairs)
* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General
Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)
* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring
Repairs/Wiring Repairs)
Scan Tool Reference
Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information
Circuit/System Verification
C0574 01 or C0574 02
Remove the EPB fuse and reinstall. Verify DTC C0574 is not set.
If DTC is set, replace the K83 Parking Brake Control Module.
C0574 54
Note: Diagnose all other parking brake control module system related faults before performing this diagnostic. Other faults may cause the
circuit board to overheat. Do not attempt to apply the electric parking brake.
1. Allow the parking brake control module to cool down for 15 minutes.
2. Verify DTC C0574 54 is not set.
瀚慖f DTC is set, replace the K83 Parking Brake Control Module.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Control Module References (See: Testing and Inspection/Programming and Relearning) for parking brake control module replacement, setup, and
