Code result
P2A2F
Alternative Fuel Tank Shutoff Valve E Control Circuit Performance/Stuck Off
High severity
What it means
The control circuit of alternative fuel tank shutoff valve E reports a control circuit performance/stuck off condition. Tank isolation cannot be commanded as expected on multi-tank CNG/LPG systems.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Shutoff valve mechanically stuck closed
highOne of the most commonly reported causes for this code — check this first.
Coil force degraded with age
mediumA plausible cause — test and verify before replacing parts.
Carbon or debris buildup preventing free movement
lowLess common, but worth ruling out after the more likely causes.
Related help
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