Powertrain
generic / SAE
P2A4D
Alternative Fuel Temperature Sensor Circuit Low
Voltage on the alternative fuel temperature sensor signal line is below the expected window. Wire shorted to ground or sensor short.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / 4D
Possible causes
- Signal wire shorted to ground high
- Internal sensor short medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 50–250 €
- Estimated time: 0.3–1.5 h
- Component: alt fuel temperature sensor
- Component: wiring harness
- Component: afcm
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012