Powertrain
generic / SAE
P2A2B
Alternative Fuel Tank Shutoff Valve D Control Circuit Performance/Stuck Off
The control circuit of alternative fuel tank shutoff valve D reports a control circuit performance/stuck off condition. Tank isolation cannot be commanded as expected on multi-tank CNG/LPG systems.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / 2B
Possible causes
- Shutoff valve mechanically stuck closed high
- Coil force degraded with age medium
- Carbon or debris buildup preventing free movement low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–800 €
- Estimated time: 1–4 h
- Component: alt fuel tank shutoff valve d
- Component: wiring harness
- Component: afcm
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012