What does code P2AF3 mean?

Q: What does code P2AF3 mean?

Starter Relay C Control Circuit Low. P2AF3 means the engine computer has detected a low-voltage condition on the control circuit for starter relay C, which is the relay that supplies power to the starter solenoid. The computer commands the relay on and monitors the circuit, and it sets this code when the voltage on the control wire stays below the expected threshold.

DTC codes / P2Axx · Hybrid propulsion / P2AF3

P2AF3Starter Relay C Control Circuit Low

P2AF3 means the engine computer has detected a low-voltage condition on the control circuit for starter relay C, which is the relay that supplies power to the starter solenoid. The computer commands the relay on and monitors the circuit, and it sets this code when the voltage on the control wire stays below the expected threshold.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaHybrid propulsion

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.