Diagnostic Test
WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
DTC IS ACTIVE
- Ignition on, engine not running.
- With the scan tool, read DTCs.
- Monitor the scan tool for at least two minutes.
Is the status Active for this DTC?
Yes
- Refer to DIAGNOSIS AND TESTING and perform the diagnostic procedure for U0101 - LOST COMMUNICATION WITH TRANSMISSION CONTROL MODULE (TCM).
No
- Refer to DIAGNOSIS AND TESTING and perform the Stored Lost Communication DTCs diagnostic procedure.