OBD Guide

P025B

Fuel Pump Module A Control Circuit Range/Performance

P025B is an OBD-II diagnostic trouble code meaning: Fuel Pump Module A Control Circuit Range/Performance. Common causes: faulty fuel pump module, damaged wiring harness. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Unstable engine operation
  • Power Loss
  • Difficulty starting the engine
  • Increased fuel consumption
  • Check Engine Light Is On

Causes

  • Faulty fuel pump module
  • Damaged wiring harness
  • Corrosion or poor contact in connectors
  • Faulty fuel pump relay
  • Blown fuse
  • Problems with the ECU

How to Fix

  1. Check the condition of the fuses and relays of the fuel pump
  2. Inspect the wiring harness for damage
  3. Check resistance and voltage in control circuit
  4. Test the fuel pump module
  5. If necessary, replace faulty components
  6. Clear the error code and check the system

Related codes

Error P025B by Vehicle Brand

FAQ

What does the P025B code mean?

P025B is an OBD-II diagnostic trouble code that indicates: Fuel Pump Module A Control Circuit Range/Performance

What causes a P025B error code?

The most common causes of P025B include: Faulty fuel pump module; Damaged wiring harness; Corrosion or poor contact in connectors; Faulty fuel pump relay.

How do I fix a P025B diagnostic trouble code?

To fix P025B: Check the condition of the fuses and relays of the fuel pump. Inspect the wiring harness for damage. Check resistance and voltage in control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P025B?

Limited driving only, diagnose soon

How much does it cost to fix P025B?

The estimated repair cost for P025B is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat