OBD Guide

P2A2C

Alternative Fuel Tank Shutoff Valve D Control Circuit Low

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