Powertrain
generic / SAE
P06B0
Sensor Power Supply A Circuit Open
A higher-current sensor power supply rail (separate from the 5 V reference rails) is open. Group of sensors fed from this rail (typically MAF, MAP, knock) lose power.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number6 / B0
Possible causes
- Open in supply rail high
- Pin pushed back out of connector body low
- Cracked solder joint inside the module or sensor 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 a
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012