OBD Guide

P25BE

Alternative Fuel Disable Control Circuit/Open

P25BE is an OBD-II diagnostic trouble code meaning: Alternative Fuel Disable Control Circuit/Open. Common causes: open circuit in control circuit, faulty control relay. 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 main fuel only
  • Check Engine light comes on
  • Reduced engine power
  • Increased main fuel consumption
  • Alternate fuel system does not activate

Causes

  • Open circuit in control circuit
  • Faulty control relay
  • Problems with the control unit
  • Short circuit in wiring
  • Oxidation of contacts

How to Fix

  1. Check the integrity of the wiring in the control circuit
  2. Check relay functionality
  3. Diagnose the alternative fuel system control unit
  4. Check connections and contacts
  5. Replace faulty components

Related codes

Error P25BE by Vehicle Brand

FAQ

What does the P25BE code mean?

P25BE is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Disable Control Circuit/Open

What causes a P25BE error code?

The most common causes of P25BE include: Open circuit in control circuit; Faulty control relay; Problems with the control unit; Short circuit in wiring.

How do I fix a P25BE diagnostic trouble code?

To fix P25BE: Check the integrity of the wiring in the control circuit. Check relay functionality. Diagnose the alternative fuel system control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P25BE?

Yes, but get it checked soon

How much does it cost to fix P25BE?

The estimated repair cost for P25BE is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat