Possible Causes
WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| EXCESSIVE RESISTANCE IN THE TPS 1 OR TPS 2 SIGNAL CIRCUIT |
| EXCESSIVE RESISTANCE IN THE 5-VOLT SUPPLY CIRCUIT |
| EXCESSIVE RESISTANCE IN THE TPS RETURN CIRCUIT |
| TPS 1 SIGNAL CIRCUIT AND TPS 2 SIGNAL CIRCUIT SHORTED TOGETHER |
| THROTTLE POSITION SENSOR/THROTTLE BODY |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .