P1421 OBD Trouble Code
1 result found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Secondary air injection (AIR) valve/ solenoid - short to ground |
| Cause | Wiring short to ground, AIR valve/solenoid |
Try also: https://www.obd-codes.com/p1421
