2010 Cadillac CTS Sedan AWD V6-3.6L Page 728
The electric parking brake control module receives an invalid serial data message or does not receive a serial data message from another module.
Action Taken When the DTC Sets
* A message and/or a warning indicator may be displayed.
* The electric parking brake functionality is degraded.
Conditions for Clearing the DTC
* The electric parking brake module clears the history DTC when a current DTC is not detected in 40 ignition cycles.
* The electric parking brake receives Valid signals from other modules.
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)
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/Circuit Testing/Circuit Testing)
* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/Connector Repairs/Connector Repairs)
* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/Circuit
Testing/Testing for Intermittent Conditions and Poor Connections)
* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/Wiring Repairs/Wiring Repairs)
Scan Tool Reference
Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information
Circuit/System Verification
1. Using the scan tool, locate the Invalid parameter in the Data Display.
2. Refer to the appropriate module to diagnose the invalid data signal. Do not replace the electric 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 Electric Parking Brake Module replacement, setup,
and programming.
C0569
DTC C0569
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptor
DTC C0569 00
- System Configuration Error
Circuit/System Description
If the tire type and pressure selection information is not entered with the scan tool during the remote control door lock receiver (RCDLR) setup, the
