P1403 OBD Trouble Code
1 result found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | 5-Volt VREF to EGR Sensor Missing Conditions |
| Cause | Key on or engine running, then the test started and the PCM detected that the 5v feed circuit to the EGR position sensor was missing. |
Try also: https://www.obd-codes.com/p1403
