OBD-II code · Powertrain (generic, extended)
P2A92 Alternative Fuel Tank Select Valve A Control Performance
The control circuit of alternative fuel tank select valve A reports a control performance condition. Tank selection on multi-tank CNG/LPG systems cannot be commanded reliably.
Is it safe to drive with P2A92?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyValve stuck in last commanded position
- PossibleCoil force degraded
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Likely to fail
- Parts involved
- Alt Fuel Tank Select Valve A, Wiring Harness, Afcm
Related codes
- P2A8FAlternative Fuel Pump B Performance
- P2A90Alternative Fuel Pump C Performance
- P2A91Alternative Fuel Tank Select Valve A Control Circuit/Open
- P2A93Alternative Fuel Tank Select Valve A Control Circuit Low
- P2A94Alternative Fuel Tank Select Valve A Control Circuit High
- P2A95Alternative Fuel Tank Select Valve B Control Circuit/Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.