OBD Guide

P2AF2

Starter Relay C Control Circuit/Open

P2AF2 is an OBD-II diagnostic trouble code meaning: Starter Relay C Control Circuit/Open. Common causes: open starter relay control circuit, faulty starter relay. Estimated repair cost: $6–33.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–33 (est.)

Symptoms

  • Engine won't start
  • Clicking sound when trying to start
  • Uneven starter operation
  • Check Engine Light Is On

Causes

  • Open starter relay control circuit
  • Faulty starter relay
  • Problems with the engine control unit
  • Short circuit in the circuit
  • Oxidized relay contacts

How to Fix

  1. Check the integrity of the starter relay control circuit
  2. Check the functionality of the starter relay
  3. Inspect relay contacts and connectors
  4. Check fuses associated with the starting system
  5. Scan the engine control module for other errors

Related codes

Error P2AF2 by Vehicle Brand

FAQ

What does the P2AF2 code mean?

P2AF2 is an OBD-II diagnostic trouble code that indicates: Starter Relay C Control Circuit/Open

What causes a P2AF2 error code?

The most common causes of P2AF2 include: Open starter relay control circuit; Faulty starter relay; Problems with the engine control unit; Short circuit in the circuit.

How do I fix a P2AF2 diagnostic trouble code?

To fix P2AF2: Check the integrity of the starter relay control circuit. Check the functionality of the starter relay. Inspect relay contacts and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2AF2?

Limited driving only, diagnose soon

How much does it cost to fix P2AF2?

The estimated repair cost for P2AF2 is $6–33. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat