Powertrain
generic / SAE
P0124
Throttle/Pedal Position Sensor "A" Circuit Intermittent
The TPS signal shows intermittent dropouts that do not stay outside threshold long enough to trigger P0122/P0123. Drive-by-wire systems are sensitive to this and may briefly enter limp-home mode each time.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number1 / 24
Possible causes
- Loose or oxidised connector high
- Sensor track worn at one spot (older potentiometer-type) medium
- Connector with intermittent contact under vibration low
Symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Inspection / repair
- Difficulty: medium
- DIY: possible
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References
sae:J2012