P2A25

Alternative Fuel Tank Shutoff Valve B Control Circuit High

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$17–89 (est.)

Symptoms

Inability to switch to alternative fuel
Check Engine Light Is On
Loss of power when running on alternative fuel
The smell of fuel in the cabin or around the car

Causes

Short circuit to positive in the control circuit
Fuel cut-off valve malfunction
Damage to wiring or connectors
Problems with the engine control unit
Contact corrosion

How to Fix

Check control circuit for short circuit
Check the resistance of the fuel shut-off valve
Inspect wiring and connectors for damage
Check valve functionality
If necessary, replace the fuel shut-off valve

Related codes

P2A24 P2A26 P2A27