Vehicles impacted by this bulletin may show the following OBD DTC.
- P0031 [1] HO2S Heater Control Circuit Low (Bank 1 Sensor 1)
- P0051 [1] HO2S Heater Control Circuit Low (Bank 2 Sensor 1)
- P2238 [1] O2 Sensor Positive Current Control Circuit Low Bank 1 Sensor 1
- P2241 [1] O2 Sensor Positive Current Control Circuit Low Bank 2 Sensor 1