P1121 OBD Trouble Code
1 result found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Heated oxygen sensor (HO2S) heater short to ground |
| Location | Bank 2 Sensor 2 |
| Cause | Wiring short to ground, HO2S |
Try also: https://www.obd-codes.com/p1121
