P2AF3

Starter Relay C Control Circuit Low

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$6–33 (est.)

Symptoms

Engine won't start
Clicking sound when trying to start
Intermittent engine starting
Check Engine Light Is On

Causes

Faulty starter relay
Open or short circuit in wiring
Poor connection in control circuit
Engine control unit (ECU) malfunction
Corrosion of relay contacts

How to Fix

Check the condition of the starter relay
Inspect the wiring and connections in the control circuit
Check the voltage at the relay terminals
Test the engine control unit
Replace the starter relay if necessary

Related codes

P2AF0 P2AF1 P2AF2