Powertrain
generic / SAE
P25C1
Alternative Fuel Disable Signal Circuit
The feedback signal that confirms the alt-fuel disable command was carried out is missing or out of range. The fuel system cannot verify that the gas circuit is shut.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / C1
Possible causes
- Open feedback wire between relay and control module high
- Feedback contact in the disable relay corroded or stuck medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–600 €
- Estimated time: 0.8–2.5 h
- Component: alt fuel control module
- Component: feedback sensor
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012