Powertrain
generic / SAE
P06E8
Sensor Power Supply C Circuit High
Same as P06B2 on supply rail C. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number6 / E8
Possible causes
- Supply line shorted to higher voltage high
- Connector pins corroded - high contact resistance low
- Supply wire pinched against B+ source low
Symptoms
- Check engine light on
- Possible limp mode or no-start
- Multiple follow-up faults across modules
- Reset/relearn may be needed after repair
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–400 €
- Estimated time: 0.5–2 h
- Component: sensor power supply c
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012