Thursday, May 12, 2022

2010 Cadillac Truck SRX FWD V6-3.0L Page 786

2010 Cadillac Truck SRX FWD V6-3.0L Page 786



Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information



Circuit/System Verification



Verify DTC C056E is not set.



If the DTC is set, perform the Electronic Parking Brake Control Module Programming and Setup (See: Brakes and Traction Control/Parking



Brake System/Parking Brake Control Module/Testing and Inspection). If the DTC resets, 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



programming



Data Communications



DTC C056E



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 C056E XX



- Electronic Control Unit Software



Circuit/System Description



Some control modules must be configured with specific software, serial numbers, vehicle options, or other information. If a control module was not



properly configured after installation that module may set DTC C056E. The symptom byte listed in the DTC Descriptor is for engineering reference



only. No external circuit diagnosis is involved.



Conditions for Running the DTC



Battery voltage is between 9-16 V and data link communications operate normally.



Conditions for Setting the DTC



The control module is not configured properly.



Conditions for Clearing the DTC



* A current DTC clears when the malfunction is no longer present.



* A history DTC clears when the module ignition cycle counter reaches the reset threshold, without a repeat of the malfunction.



Reference Information



Schematic Reference



Data Communication Schematics (See: Powertrain Management/Computers and Control Systems/Information Bus/Diagrams/Electrical Diagrams)



Connector End View Reference



Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)



Description and Operation



Data Link Communications Description and Operation (See: Powertrain Management/Computers and Control Systems/Information



Bus/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)

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