P1633 OBD Trouble Code
1 result found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Ignition Supplement Power (0) Switch Circuit Conditions |
| Cause | Key on, no Class 2 serial data received, then the PCM detected an improper Supplement Power Circuit (Circuit 0) voltage |
Try also: https://www.obd-codes.com/p1633
