Transfer Case Range Actuator Learn

Diagnostic Instructions Perform the Diagnostic System Check prior to using this diagnostic procedure: Diagnostic System Check - Vehicle Review the description of Strategy Based Diagnosis: Strategy Based Diagnosis Description For an overview of the component/system, refer to: Transfer Case Description and Operation This procedure triggers the control module to learn the values of the component: When to Perform the Procedure

Note

Failure to perform this procedure may result in poor system performance, DTCs being set, or customer dissatisfaction. Perform this procedure when the following component has been serviced: A16 Transfer Case Four Wheel Drive Actuator K69 Transfer Case Control Module Transfer Case Assembly Conditions for Running the Procedure Park Brake = Applied Tires = Blocked Vehicle Speed = 0 km/h (0 MPH) Ignition = On Engine = Not Running Transmission Range = Neutral Reference Information Scan Tool Reference Control Module References With Scan Tool

1. Ignition » On / Vehicle » In Service Mode
2. Select: Module Diagnostics
3. Select: Transfer Case Control Module
4. Select: Configuration/Reset Functions
5. Select: Range Actuator Learn
6. Follow the instructions on the scan tool. — The procedure will complete within 10 s Verify the scan tool parameter: Range Actuator Learn = Passed ⇒ If not the specified state Refer to: Step 1 ⇓ If the specified state
7. Operate the component: S126 Ride Control Switch» 2WD / 4WD/AWD Automatic / 4WD High/Locked / 4WD Low Verify operating the controls yields the expected results. ⇒ If the function is NOT executed as expected 7.1. Verify that no DTCs are set. ⇒ If any DTC is set Refer to: Diagnostic Trouble Code (DTC) List - Vehicle ⇓ If no DTC is set Refer to: Step 1 ⇓ If the function is executed as expected
8. All OK. Repair Instructions Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification