OBD Guide

P2A97

Alternative Fuel Tank Select Valve B Control Circuit Low

P2A97 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Tank Select Valve B Control Circuit Low. Common causes: open or short circuit in valve control circuit, fuel tank selection solenoid valve malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Problems with switching between fuel tanks
  • Unstable engine operation
  • Reduced engine power
  • Increased fuel consumption

Causes

  • Open or short circuit in valve control circuit
  • Fuel tank selection solenoid valve malfunction
  • Problems with the relay or circuit fuse
  • Engine control unit malfunction
  • Oxidation of contacts in circuit connectors

How to Fix

  1. Check the integrity of the wiring and connectors of the control circuit
  2. Check the resistance and operation of the solenoid valve
  3. Check voltage on control circuit
  4. Replace faulty valve if necessary
  5. Check and replace fuses and relays if necessary

Related codes

Error P2A97 by Vehicle Brand

FAQ

What does the P2A97 code mean?

P2A97 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Tank Select Valve B Control Circuit Low

What causes a P2A97 error code?

The most common causes of P2A97 include: Open or short circuit in valve control circuit; Fuel tank selection solenoid valve malfunction; Problems with the relay or circuit fuse; Engine control unit malfunction.

How do I fix a P2A97 diagnostic trouble code?

To fix P2A97: Check the integrity of the wiring and connectors of the control circuit. Check the resistance and operation of the solenoid valve. Check voltage on control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2A97?

Yes, but get it checked soon

How much does it cost to fix P2A97?

The estimated repair cost for P2A97 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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