Powertrain
generic / SAE
P2A98
Alternative Fuel Tank Select Valve B Control Circuit High
The control circuit of alternative fuel tank select valve B reports a control circuit high condition. Tank selection on multi-tank CNG/LPG systems cannot be commanded reliably.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / 98
Possible causes
- Control wire shorted to B+ high
- Open valve coil medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1000 €
- Estimated time: 1–4 h
- Component: alt fuel tank select valve b
- Component: wiring harness
- Component: afcm
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012