OBD Guide

P2A2C

Alternative Fuel Tank Shutoff Valve D Control Circuit Low

P2A2C is an OBD-II diagnostic trouble code meaning: Alternative Fuel Tank Shutoff Valve D Control Circuit Low. Common causes: open or short circuit in valve control circuit, alternate fuel shut-off valve malfunction. Estimated repair cost: $17–78.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$17–78 (est.)

Symptoms

  • Check Engine light comes on
  • Problems with switching to alternative fuels
  • The smell of fuel in the cabin or around the car
  • Reduced engine power
  • Errors in the fuel system

Causes

  • Open or short circuit in valve control circuit
  • Alternate fuel shut-off valve malfunction
  • Problems with wiring harness or connectors
  • Engine control module (ECU) malfunction
  • Corroded contacts or damaged wires

How to Fix

  1. Check valve control circuit integrity
  2. Diagnose valve resistance
  3. Inspect connectors and wiring harness for damage
  4. Check the performance of the ECU
  5. If necessary, replace the shut-off valve

Related codes

Error P2A2C by Vehicle Brand

FAQ

What does the P2A2C code mean?

P2A2C is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Tank Shutoff Valve D Control Circuit Low

What causes a P2A2C error code?

The most common causes of P2A2C include: Open or short circuit in valve control circuit; Alternate fuel shut-off valve malfunction; Problems with wiring harness or connectors; Engine control module (ECU) malfunction.

How do I fix a P2A2C diagnostic trouble code?

To fix P2A2C: Check valve control circuit integrity. Diagnose valve resistance. Inspect connectors and wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2A2C?

Do not drive — repair immediately

How much does it cost to fix P2A2C?

The estimated repair cost for P2A2C is $17–78. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat