What it means
Throttle/pedal position sensor F does not reach the calibrated maximum-stop value during the wide-open self-test. Sensor wear, mechanical stop misalignment, or a stuck pedal.
At a glance
- Usually lights the check-engine light
- Affects emissions; the car can fail an emissions test
How it works
Throttle/pedal position sensor F provides a position signal to the electronic throttle system. During a wide-open self-test, the control module checks whether sensor F reaches its calibrated maximum; this code sets when the signal does not attain that endpoint.
Common causes
Most likely first.
- Throttle or pedal position sensor F worn or faulty
- Throttle or pedal mechanism not reaching its calibrated stop
- Binding throttle or pedal linkage
- Damaged wiring or connector
Symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
How to diagnose it
- Capture freeze-frame data and compare live sensor F readings with the other throttle or pedal position signals through a slow pedal sweep.
- With the engine off, check that the pedal and throttle mechanism move freely to their intended full-travel stop.
- Inspect the sensor F connector and wiring for corrosion, a loose or recessed pin, or harness damage.
- Check sensor F's signal and reference and ground circuits throughout pedal travel for dropouts or an endpoint outside the manufacturer's specification.
- If the mechanical travel and wiring are sound, test sensor F and its assembly using the manufacturer's procedure, including any required relearn after repair.
Common fixes
- Clear an obstruction or repair binding that limits full travel.
- Fix loose, corroded, or damaged sensor F wiring and connections.
- Replace the faulty sensor F or the assembly containing it.
- Correct a stop or calibration issue using the manufacturer's procedure.
Can I keep driving?
Avoid hard acceleration and unnecessary trips if throttle response is limited, and do not drive if it becomes erratic. A sudden loss or change in power can make merging and crossing traffic unsafe.
A code shows where the control module detected a fault, not always which part failed. Check the causes in order and confirm with a test before replacing parts. Have several codes? Check them together
This is a generic code: it means the same on every make. The car’s maker may add more detail in its own service information.