2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 949
* 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 References
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, program the control module. If the DTC resets, replace the 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 control module replacement, setup, and programming
Power Steering
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) provide an overview of each diagnostic category.
DTC Descriptors
DTC C056E 42
- ECU Hardware Performance Calibration Data Set Not Programmed
DTC C056E 4B
- ECU Software Performance Calibration Not Learned
Circuit/System Description
After replacement of the power steering control module (PSCM), the PSCM must be configured with the proper tuning profile using the service
programming system (SPS).
After replacement of the PSCM, power steering motor, or steering gear, the steering position/torque sensor calibration procedure must be
performed.
Conditions for Running the DTC
Ignition ON.
Conditions for Setting the DTC
DTC C056E 42
This DTC will set if the PSCM has not undergone SPS programming.
DTC C056E 4B
This DTC will set if the PSCM, motor or torque sensor has not been calibrated using the steering position / torque sensor calibration procedure.
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