Powertrain
Definition only
Lights the check engine lamp
P2AF8: Starter Relay D Control Circuit Low
Standardized SAE J2012 code · P2Axx codes
What does P2AF8 mean?
Starter relay D reports a control circuit low 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 Control wire shorted to ground
- Medium Internal short in relay coil
- Low Connector pins corroded - high contact resistance
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2AF8 on the same make and model first.
P2AF8 in the community
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