Powertrain
Definition only
Lights the check engine lamp
P2AF2: Starter Relay C Control Circuit/Open
Standardized SAE J2012 code · P2Axx codes
What does P2AF2 mean?
Starter relay C reports a control circuit/open condition. Engine cranking can be inhibited or commanded unintentionally.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Open in relay control wire
- Medium Open relay coil
- Low Pin pushed back out of connector body
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2AF2 on the same make and model first.
P2AF2 in the community
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