Possible Causes
WARNING: This page is about a different car, the 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| (F856) 5 VOLT SUPPLY CIRCUIT OPEN |
| (F856) 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND |
| (K1) MAP SIGNAL CIRCUIT SHORTED TO GROUND |
| (K1) MAP SIGNAL CIRCUIT SHORTED TO THE (K900) SENSOR GROUND CIRCUIT |
| EXCESSIVE RESISTANCE IN THE (K1) MAP SIGNAL CIRCUIT |
| MAP SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .