Possible Causes
WARNING: This page is about a different car, the 2024 RAM ProMaster EV. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| WINDSHIELD HEATER RELAY CONTROL CIRCUIT OPEN OR HIGH RESISTANCE |
| WINDSHIELD HEATER RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE |
| FRONT DE-ICER RELAY (INTEGRAL TO THE POWER DISTRIBUTION CENTER (PDC) ASSEMBLY) |
| BODY CONTROL MODULE (BCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .