OBD Guide

P2A72

Alternative Fuel Hydraulic Fuel Pump Select Valve Control Circuit Low

P2A72 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Hydraulic Fuel Pump Select Valve Control Circuit Low. Common causes: open or short circuit in valve control circuit, solenoid valve malfunction. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine Light Illuminates
  • Problems with switching between fuel types
  • Reduced engine power
  • Unstable engine operation
  • Inability to use alternative fuels

Causes

  • Open or short circuit in valve control circuit
  • Solenoid valve malfunction
  • Poor connection in connectors
  • Wiring harness damage
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check valve control circuit integrity
  2. Check the resistance and operation of the solenoid valve
  3. Inspect connectors and connections for corrosion or damage
  4. Check control circuit voltage
  5. If necessary, replace faulty components

Related codes

Error P2A72 by Vehicle Brand

FAQ

What does the P2A72 code mean?

P2A72 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Hydraulic Fuel Pump Select Valve Control Circuit Low

What causes a P2A72 error code?

The most common causes of P2A72 include: Open or short circuit in valve control circuit; Solenoid valve malfunction; Poor connection in connectors; Wiring harness damage.

How do I fix a P2A72 diagnostic trouble code?

To fix P2A72: Check valve control circuit integrity. Check the resistance and operation of the solenoid valve. Inspect connectors and connections for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2A72?

Yes, but get it checked soon

How much does it cost to fix P2A72?

The estimated repair cost for P2A72 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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