2014 Jeep Wrangler JK Factory Service Manual 28 - DTC-Based Diagnostics

P062C-ETC LEVEL 2 MPH PERFORMANCE

For a complete wiring diagram, refer to the Wiring Information.



Possible Causes

POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).


1. DTC IS ACTIVE




NOTE: If there are any vehicle speed DTCs present in the the PCM or any other modules, diagnose those DTCs before continuing with this test procedure.
1. Ignition on, engine not running.
2. With the scan tool, Clear DTCs in the PCM.
3. Cycle the ignition key off and on several times, leaving the ignition on for at least 10 seconds at a time.
4. Start the engine and test drive the vehicle.
5. With the scan tool, select View DTCs.


Did the DTC return?

Yes


No


2. POWERTRAIN CONTROL MODULE


1. Using the wiring diagram/schematic as a guide, inspect the Powertrain Control Module wiring and connectors.
2. Look for any chafed, pierced, pinched, or partially broken wires.
3. Look for broken, bent, pushed out or corroded terminals.
4. Perform any Technical Service Bulletins that may apply.


Were any problems found?

Yes


No