P2A31
Alternative Fuel Tank Shutoff Valve E Control Circuit High
P2A31 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Tank Shutoff Valve E Control Circuit High. Common causes: short circuit to positive in the control circuit, valve control circuit open. Estimated repair cost: $17–56.
Symptoms
- Check Engine light comes on
- Problems with switching between fuel types
- Reduced engine power
- Increased fuel consumption
- Unstable operation of the engine using alternative fuel
Causes
- Short circuit to positive in the control circuit
- Valve control circuit open
- Solenoid valve malfunction
- Wiring Harness Problems
- Engine control unit malfunction
How to Fix
- Check valve control circuit integrity
- Check valve resistance
- Inspect the wiring harness for damage
- Check the operation of the control unit
- Replace faulty valve if necessary
Related codes
Error P2A31 by Vehicle Brand
FAQ
What does the P2A31 code mean?
P2A31 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Tank Shutoff Valve E Control Circuit High
What causes a P2A31 error code?
The most common causes of P2A31 include: Short circuit to positive in the control circuit; Valve control circuit open; Solenoid valve malfunction; Wiring Harness Problems.
How do I fix a P2A31 diagnostic trouble code?
To fix P2A31: Check valve control circuit integrity. Check valve resistance. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2A31?
Yes, but get it checked soon
How much does it cost to fix P2A31?
The estimated repair cost for P2A31 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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