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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - DTCS P1E3A-00 To P2227-00 >> Diagnosis And Testing >> P2128-00-Throttle/Pedal Position Sensor/Switch "E" Circuit High >> Possible Causes

Possible Causes

Possible Causes
5-VOLT SUPPLY 1 CIRCUIT SHORTED TO VOLTAGE
APP SENSOR SIGNAL 1 CIRCUIT SHORTED TO VOLTAGE
APP SENSOR SIGNAL 1 CIRCUIT SHORTED TO AN APP SENSOR 5-VOLT SUPPLY CIRCUIT
ACCELERATOR PEDAL POSITION SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .