P1639 OBD Trouble Code
1 result found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Sensor supply voltage - circuit B malfunction |
| Cause | Wiring short circuit to ground/positive, ground wiring open circuit, throttle position (TP) sensor, ECM |
Try also: https://www.obd-codes.com/p1639
