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Home >> Dodge and Ram >> 2021 >> Charger R/T >> Repair and Diagnosis >> Engine Performance >> System >> 5.7L - DTCS P2097 To P3441 >> DTC Troubleshooting >> P2128-Accelerator Pedal Position Sensor 2 Circuit High >> Possible Causes

Possible Causes

POSSIBLE CAUSES
5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
APP SIGNAL 2 CIRCUIT SHORTED TO VOLTAGE
APP SIGNAL 2 CIRCUIT SHORTED TO THE 5-VOLT SUPPLY CIRCUIT
APP SIGNAL 2 CIRCUIT SHORTED TO THE 5-VOLT SUPPLY CIRCUIT
APP SIGNAL 2 CIRCUIT OPEN OR HIGH RESISTANCE
SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE
ACCELERATOR PEDAL POSITION SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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