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Home >> Jeep >> 2024 >> Gladiator Nighthawk, Part Time T/Case Control, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 3.6L (GPEC 5) - DTCS P2118 To P2167 >> DTC Troubleshooting >> P2128 Accelerator Pedal Position Sensor 2 Circuit High >> Possible Causes
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Possible Causes

Possible Causes
5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
APP SENSOR SIGNAL 2 CIRCUIT SHORTED TO BATTERY VOLTAGE
APP SENSOR SIGNAL 2 CIRCUIT SHORTED TO AN APP SENSOR 5-VOLT SUPPLY CIRCUIT
ACCELERATOR PEDAL POSITION (APP) SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to:  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .