P2A29
Alternative Fuel Tank Shutoff Valve C Control Circuit High
P2A29 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Tank Shutoff Valve C Control Circuit High. Common causes: short circuit in valve control circuit, fuel cut-off valve malfunction. Estimated repair cost: $33–167.
Symptoms
- Switching to the main fuel type
- Check Engine light comes on
- Inability to refuel with alternative fuels
- Reduced engine power
- Smell of fuel in the cabin
Causes
- Short circuit in valve control circuit
- Fuel cut-off valve malfunction
- Broken or damaged wiring
- Problems with the engine control unit
- Contact corrosion
How to Fix
- Check valve control circuit for short circuit
- Test valve resistance
- Inspect the wiring harness for damage
- Check contacts and connectors
- Replace the fuel shut-off valve if necessary
Related codes
Error P2A29 by Vehicle Brand
FAQ
What does the P2A29 code mean?
P2A29 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Tank Shutoff Valve C Control Circuit High
What causes a P2A29 error code?
The most common causes of P2A29 include: Short circuit in valve control circuit; Fuel cut-off valve malfunction; Broken or damaged wiring; Problems with the engine control unit.
How do I fix a P2A29 diagnostic trouble code?
To fix P2A29: Check valve control circuit for short circuit. Test valve resistance. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2A29?
Yes, but get it checked soon
How much does it cost to fix P2A29?
The estimated repair cost for P2A29 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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