P2AF3
Starter Relay C Control Circuit Low
P2AF3 is an OBD-II diagnostic trouble code meaning: Starter Relay C Control Circuit Low. Common causes: faulty starter relay, open or short circuit in wiring. Estimated repair cost: $6–33.
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
Error P2AF3 by Vehicle Brand
FAQ
What does the P2AF3 code mean?
P2AF3 is an OBD-II diagnostic trouble code that indicates: Starter Relay C Control Circuit Low
What causes a P2AF3 error code?
The most common causes of P2AF3 include: Faulty starter relay; Open or short circuit in wiring; Poor connection in control circuit; Engine control unit (ECU) malfunction.
How do I fix a P2AF3 diagnostic trouble code?
To fix P2AF3: Check the condition of the starter relay. Inspect the wiring and connections in the control circuit. Check the voltage at the relay terminals. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2AF3?
Do not drive — repair immediately
How much does it cost to fix P2AF3?
The estimated repair cost for P2AF3 is $6–33. Actual cost depends on your vehicle, location, and labor rates.
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