OBD Guide

P25A7

Fuel Mode Select Switch Circuit High

P25A7 is an OBD-II diagnostic trouble code meaning: Fuel Mode Select Switch Circuit High. Common causes: fuel mode switch malfunction, short circuit in the circuit. 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 Is On
  • Problems with switching fuel modes
  • Reduced engine power
  • Unstable engine operation
  • Increased fuel consumption

Causes

  • Fuel mode switch malfunction
  • Short circuit in the circuit
  • Broken or damaged wiring
  • Problems with the engine ECU
  • Contact corrosion

How to Fix

  1. Check fuel mode switch
  2. Check the integrity of wiring and connections
  3. Check the voltage in the circuit
  4. Replace switch if necessary
  5. Reset the error code and check for its reappearance

Related codes

Error P25A7 by Vehicle Brand

FAQ

What does the P25A7 code mean?

P25A7 is an OBD-II diagnostic trouble code that indicates: Fuel Mode Select Switch Circuit High

What causes a P25A7 error code?

The most common causes of P25A7 include: Fuel mode switch malfunction; Short circuit in the circuit; Broken or damaged wiring; Problems with the engine ECU.

How do I fix a P25A7 diagnostic trouble code?

To fix P25A7: Check fuel mode switch. Check the integrity of wiring and connections. Check the voltage in the circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P25A7?

Yes, but get it checked soon

How much does it cost to fix P25A7?

The estimated repair cost for P25A7 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat