Possible Cause
NOTE:
The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
- Secondary HO2S (sensor 2) SO2 line short to power
- Secondary HO2S (sensor 2) SO2 line open
- Secondary HO2S (sensor 2) SO2 SG line short to power
- Secondary HO2S (sensor 2) SO2 SG line open
- PCM internal circuit failure