OBD Guide

P2AF8

Starter Relay D Control Circuit Low

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–28 (est.)

Symptoms

  • Engine won't start
  • Clicking sound when trying to start
  • Check engine light flashing
  • Intermittent startup problems

Causes

  • Faulty starter relay D
  • Open or short circuit in control circuit
  • Poor contact in connectors
  • Engine control unit (ECU) malfunction
  • Eating or weight problems

How to Fix

  1. Check starter relay D for faults
  2. Inspect the control circuit for damage
  3. Check connections and connectors
  4. Test the engine control unit
  5. Check control circuit voltage

Related codes

Error P2AF8 by Vehicle Brand