Powertrain
generic / SAE
P2C51
Fuel Level Sensor A/B Correlation
The signals of fuel level sensors A and B do not correlate within the calibrated tolerance. Common in saddle tanks where two sensors monitor each tank half.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberC / 51
Possible causes
- One float stuck on guide rod high
- Saddle tank transfer pump failed medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1200 €
- Estimated time: 1–5 h
- Component: fuel level sensor a
- Component: fuel level sensor b
- Component: ecm
- MIL / check engine light
Sources
References
sae:J2012