P1635 OBD Trouble Code
1 result found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | 5-Volt Reference Circuit Low Conditions |
| Cause | Key on, then the PCM detected that the 5-volt reference circuit input was less than 4.0v (the circuit is monitored continuously) |
Try also: https://www.obd-codes.com/p1635
