P2A23
Alternative Fuel Tank Shutoff Valve B Control Circuit Performance/Stuck Off
P2A23 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Tank Shutoff Valve B Control Circuit Performance/Stuck Off. Common causes: open or short circuit in valve control circuit, valve stuck in closed position. Estimated repair cost: $17–89.
Symptoms
- Inability to switch to alternative fuel
- Check Engine Light Illuminates
- Reduced engine power when trying to use alternative fuel
- Errors in the fuel management system
Causes
- Open or short circuit in valve control circuit
- Valve stuck in closed position
- Malfunction of the solenoid part of the valve
- Problems with the fuel system control unit
- Corroded contacts or damaged wiring harness
How to Fix
- Check valve control circuit integrity
- Check valve coil resistance
- Clean or replace a stuck valve
- Check connections and wiring harness
- If necessary, replace the fuel shut-off valve
Related codes
Error P2A23 by Vehicle Brand
FAQ
What does the P2A23 code mean?
P2A23 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Tank Shutoff Valve B Control Circuit Performance/Stuck Off
What causes a P2A23 error code?
The most common causes of P2A23 include: Open or short circuit in valve control circuit; Valve stuck in closed position; Malfunction of the solenoid part of the valve; Problems with the fuel system control unit.
How do I fix a P2A23 diagnostic trouble code?
To fix P2A23: Check valve control circuit integrity. Check valve coil resistance. Clean or replace a stuck valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2A23?
Yes, but get it checked soon
How much does it cost to fix P2A23?
The estimated repair cost for P2A23 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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