Diagnostic Test
- CHECK THE AUTOSTICK SWITCH AUTOSTICK SWITCH RESISTANCE VALUES (COLUMN SHIFT)
NON SWITCHED STATE ENABLE DOWNSHIFT UPSHIFT 21.5k ohms ±1% 2.64k ohms ±1% 4.05k ohms ±1% 8.10k ohms ±1% - Turn the ignition off to the lock position.
- Disconnect the AutoStick® harness connector.
- Measure the resistance between the AutoStick Switch MUX circuit and the AutoStick Switch MUX Return circuit while checking each switch position.NOTE: Use the above chart to and compare your resistive readings.
Does the AutoStick Switch resistance readings match the above chart?
Yes
- Using the schematics as a guide, check the Electronic Shift Module (ESM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the ESM (Steering Column) per the Service Information.
- Perform NAG1 TRANSMISSION VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure .
No
- Replace the AutoStick Switch (Shift Lever) per the Service Information.
- Perform NAG1 TRANSMISSION VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure .