Possible Causes
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.
| Possible Causes |
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| TRANSMISSION CONTROL MODULE (TCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to NAG1 TCM - PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .