Powertrain
generic / SAE
P2AAF
Diesel Fuel Presence Sensor Circuit High
Voltage on the diesel fuel presence sensor signal line is above the expected window. Wire shorted to B+ or sensor open.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / AF
Possible causes
- Signal wire shorted to B+ high
- Open sensor medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 60–300 €
- Estimated time: 0.3–1.5 h
- Component: diesel fuel presence sensor
- Component: wiring harness
- Component: ecm
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012