Possible Causes
| Possible Causes |
|---|
| (F855) 5-VOLT SUPPLY CIRCUIT OPEN |
| (F855) 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 |
| MAP SENSOR |
| PCM |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .