Possible Causes
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| POSSIBLE CAUSES |
|---|
| LOW SPEED RAD FAN CONTROL CIRCUIT SHORTED TO ANOTHER VOLTAGE SUPPLY |
| LOW SPEED RAD FAN CONTROL CIRCUIT OPEN |
| LOW SPEED RAD FAN CONTROL CIRCUIT SHORTED TO GROUND |
| LOW SPEED RAD FAN RELAY |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .