Possible Causes
WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| 5-VOLT SUPPLY CIRCUIT TO THE ELCM IS OPEN OR SHORTED |
| HIGH RESISTANCE IN THE ELCM PRESSURE SENSOR SIGNAL CIRCUIT |
| HIGH RESISTANCE IN THE SENSOR GROUND CIRCUIT |
| ELCM PUMP STUCK ON WITH THE IGNITION ON |
| ELCM PRESSURE SENSOR OUT OF RANGE |
| MAP SENSOR OUT OF RANGE |
| TOO MUCH OR TOO LITTLE FLOW THROUGH THE REFERENCE ORIFICE DURING THE LEAK CHECK DIAGNOSTIC TEST |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to: 2.0L - PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .