Powertrain
generic / SAE
P055E
Oxygen Sensor Control Module System Voltage
The dedicated O2 sensor control module - found on systems with a wide-band sensor needing its own pumping current driver - reports its supply voltage outside the calibrated window.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 5E
Possible causes
- Supply voltage low or unstable high
Symptoms
- Check engine light on
- Increased fuel consumption
- Possible rough idle or hesitation
- Failed emissions test
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 120–500 €
- Estimated time: 0.6–2 h
- Component: oxygen sensor control module
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012