P0123 AUDI Throttle Pedal Position Sensor/Switch A Circuit High

Possible causes

– Faulty throttle position sensor
– Throttle position sensor harness is open or shorted
– Throttle position sensor circuit poor electrical connection

When is the obd code mean?

An excessively high voltage from the Throttle Pedal Position (TPP) Sensor is sent to Engine Control Module (ECM).

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P0123 AUDI OBD Code Description