OBD Guide

P2A93

Alternative Fuel Tank Select Valve A Control Circuit Low

P2A93 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Tank Select Valve A Control Circuit Low. Common causes: open or short circuit in control circuit, fuel select 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

  • Switching to the main fuel type
  • Reduced engine power
  • Check Engine light comes on
  • Starting problems on alternative fuel

Causes

  • Open or short circuit in control circuit
  • Fuel select valve malfunction
  • Relay or fuse problems
  • Engine control unit malfunction
  • Poor contact in connectors

How to Fix

  1. Check fuses and relays associated with the system
  2. Check valve control circuit integrity
  3. Check valve resistance and operation
  4. Check connectors and connections for corrosion
  5. If necessary, replace the fuel selector valve

Related codes

Error P2A93 by Vehicle Brand

FAQ

What does the P2A93 code mean?

P2A93 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Tank Select Valve A Control Circuit Low

What causes a P2A93 error code?

The most common causes of P2A93 include: Open or short circuit in control circuit; Fuel select valve malfunction; Relay or fuse problems; Engine control unit malfunction.

How do I fix a P2A93 diagnostic trouble code?

To fix P2A93: Check fuses and relays associated with the system. Check valve control circuit integrity. Check valve resistance and operation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2A93?

Yes, but get it checked soon

How much does it cost to fix P2A93?

The estimated repair cost for P2A93 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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