Powertrain
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Lights the check engine lamp
P2A26: Alternative Fuel Tank Shutoff Valve C Control Circuit/Open
Standardized SAE J2012 code · P2Axx codes
What does P2A26 mean?
The control circuit of alternative fuel tank shutoff valve C reports a control circuit/open condition. Tank isolation cannot be commanded as expected on multi-tank CNG/LPG systems.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Open in valve control wire
- Medium Open valve coil
- Low Pin pushed back out of connector body
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2A26 on the same make and model first.
P2A26 in the community
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