Friday, April 23, 2021

2010 Cadillac Truck SRX AWD V6-3.0L Page 2168

2010 Cadillac Truck SRX AWD V6-3.0L Page 2168



7. If all circuits test normal, replace the control module that is not communicating.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* GMLAN Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Wiring Repairs/GMLAN Wiring Repairs)



* Control Module References (See: Testing and Inspection/Programming and Relearning) for control module replacement, setup, and



programming



U0300



DTC U0300-U0336



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 Descriptors



DTC U0301 00



- Software Incompatibility with Engine Control Module



DTC U0302 00



- Software Incompatibility with Transmission Control Module



DTC U0315 00



- Software Incompatibility with Electronic Brake Control Module



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 the appropriate U Code. 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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