Possible Causes
WARNING: This page is about a different car, the 2023 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| PCV SYSTEM LEAKS |
| INTERNAL OR EXTERNAL ENGINE VACUUM LEAKS |
| LOSS OF COMMUNICATION WITH ABS MODULE |
| THROTTLE BODY |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .