Possible Causes
WARNING: This page is about a different car, the 2024 Jeep Grand Wagoneer L and 2024 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| ESIM SIGNAL CIRCUIT SHORTED TO GROUND |
| ESIM SIGNAL CIRCUIT SHORTED TO THE ESIM SENSOR GROUND CIRCUIT |
| PINCHED/OBSTRUCTED PURGE TUBE BETWEEN THE PURGE SOLENOID AND CHARCOAL CANISTER |
| PINCHED/OBSTRUCTED TUBE BETWEEN THE OBD VENT VALVE AND PURGE SOLENOID |
| EVAPORATIVE SYSTEM INTEGRITY MONITOR (ESIM) SWITCH |
| FAULTY OBD VENT VALVE |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .