Powertrain
generic / SAE
P25C0
Alternative Fuel Disable Control Circuit Low
Voltage on the alternative-fuel disable control line is below the expected window. Usually a short to ground or a failed driver pulling the line low.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / C0
Possible causes
- Disable control wire shorted to ground high
- Low-side driver internally shorted medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–500 €
- Estimated time: 0.8–2 h
- Component: alt fuel control module
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012