What does code P0124 mean?

Q: What does code P0124 mean?

Throttle Position Sensor A Circuit Intermittent. P0124 means the engine computer has detected an intermittent fault in the signal circuit for throttle position sensor A, which is the primary sensor that reports how far the throttle plate is open. The computer sees the sensor voltage drop out, spike, or jump erratically for brief moments rather than failing completely, so the fault is logged as intermittent rather than a hard circuit failure.

DTC codes / P01xx · Fuel and air metering / P0124

P0124Throttle Position Sensor A Circuit Intermittent

P0124 means the engine computer has detected an intermittent fault in the signal circuit for throttle position sensor A, which is the primary sensor that reports how far the throttle plate is open. The computer sees the sensor voltage drop out, spike, or jump erratically for brief moments rather than failing completely, so the fault is logged as intermittent rather than a hard circuit failure.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaFuel and air metering

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