OBD Guide

P26F2

Starter Relay B Stuck On

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$6–22 (est.)

Symptoms

  • The starter continues to operate after the engine starts
  • Clicking sound from engine compartment
  • Battery drains quickly
  • Difficulty starting the engine
  • Hot starter after a trip

Causes

  • Stuck starter relay B
  • Short circuit in relay control circuit
  • Engine control unit malfunction
  • Damaged wiring or corroded contacts
  • Mechanical damage to the relay

How to Fix

  1. Check the condition of starter relay B
  2. Check relay control circuit for short circuit
  3. Check the voltage at the relay terminals
  4. Replace faulty relay
  5. Check the operation of the engine control unit

Related codes

Error P26F2 by Vehicle Brand