2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 966

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 966

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/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. Engine running. Let the engine run for at least 1 minute.

2. Ignition OFF for at least 30 seconds to allow for the complete shutdown of the TCCM.

3. Ignition ON, verify that DTC C0569 is not set.

瀚慖f DTC C0569 sets, perform the ATC motor learn procedure. Refer to Transfer Case High/Low Clutch Reset (See: Transmission and

Drivetrain/Transfer Case/Testing and Inspection/Symptom Related Diagnostic Procedures/MP 3010-NP0/Transfer Case High/Low

Clutch Reset).

Repair Instructions

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

Transfer Case High/Low Clutch Reset (See: Transmission and Drivetrain/Transfer Case/Testing and Inspection/Symptom Related Diagnostic

Procedures/MP 3010-NP0/Transfer Case High/Low Clutch Reset)

MP 3023/3024-NQH - Transfer Case

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 4B

- System Configuration Error Calibration Not Learned

Circuit/System Description

* This is an internal fault detection of the transfer case shift control module (TCCM). No external circuits are involved.

* This DTC is set anytime a TCCM is replaced or reprogrammed.

* The automatic transfer case (ATC) motor learn procedure must be performed in order for the TCCM to learn current clutch tolerance based

on clutch stackup and accumulated clutch wear.

Conditions for Running the DTC

* Ignition ON.

* System voltage 10.5-18 V.

Conditions for Setting the DTC

The ATC motor learn procedure for a new or reprogrammed TCCM has not been performed.

Action Taken When the DTC Sets

* Mode shifting is disabled until the ATC motor learn procedure has been performed.

* The SERVICE 4WD indicator illuminates.

* No mode position LED's illuminated.

Conditions for Clearing the DTC

The TCCM clears the DTC once the ATC motor learn procedure has been successfully performed.