Friday, January 21, 2022

2010 Cadillac Truck SRX FWD V6-3.0L Page 861

2010 Cadillac Truck SRX FWD V6-3.0L Page 861



* Steering Angle Sensor Replacement (See: Sensors and Switches/Sensors and Switches - Steering and Suspension/Sensors and Switches -



Steering/Steering Angle Sensor/Service and Repair/Removal and Replacement)



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



C0720



DTC C0720



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 C0720 71



- Engine Torque Management Feedback Signal Invalid Data



Circuit/System Description



The suspension control module receives high speed controller area network (CAN) message inputs from the engine control module (ECM)



identifying the actual engine torque. The suspension control module utilizes this signal to control the vehicle ride characteristics.



Conditions for Running the DTC



System voltage is between 9-16 V



Conditions for Setting the DTC



The suspension control module received invalid serial data from the ECM.



Action Taken When the DTC Sets



The electronic suspension control is disabled for the duration of the ignition cycle.



Conditions for Clearing the DTC



* The condition for setting the DTC is no longer present.



* A history DTC will clear after 41 consecutive malfunction-free ignition cycles.



Reference Information



Schematic Reference



Electronic Suspension Control Schematics (See: Steering and Suspension/Suspension/Suspension Control ( Automatic - Electronic



)/Diagrams/Electrical Diagrams)



Connector End View Reference



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



Description and Operation



Electronic Suspension Control Description and Operation (See: Steering and Suspension/Suspension/Suspension Control ( Automatic - Electronic



)/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)

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