Possible Causes
WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| AFTERMARKET EQUIPMENT |
| POWER TAKE OFF (PTO) RELAY #5 |
| IN CAB POWER TAKE OFF SWITCH INPUT CIRCUIT |
| POWER TAKE OFF (PTO) RELAY #5 OUTPUT CIRCUIT |
| INTEGRATED CENTER STACK (ICS) |
| POWERTRAIN CONTROL MODULE (PCM) |
| TRANSMISSION CONTROL MODULE (TCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .