P1129 OBD Trouble Code
1 result found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Rear HO2S, HO2S Swapped Bank-to-Bank Conditions |
| Location | Bank 1 Sensor 2, Bank 2 Sensor 2 |
| Cause | Engine running in closed loop, then the PCM detected the HO2S signal response to a fuel shift did not correspond to the correct engine bank |
Try also: https://www.obd-codes.com/p1129
