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Home >> Jeep >> 2024 >> Grand Cherokee Summit >> Repair and Diagnosis >> External Pages >> Different car >> Section 34 (5.7L - DTCS P2107 To P2127) >> DTC Troubleshooting >> P2122-Accelerator Pedal Position Sensor 1 Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2024 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
5-VOLT SUPPLY CIRCUIT OPEN OR SHORTED TO GROUND
APP SENSOR 1 SIGNAL CIRCUIT SHORTED TO GROUND
APP SENSOR 1 SIGNAL CIRCUIT SHORTED TO THE APP SENSOR 1 GROUND CIRCUIT
APP SENSOR 1 SIGNAL CIRCUIT SHORTED TO THE APP SENSOR 2 GROUND CIRCUIT
APP SENSOR 1 SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
APP SENSOR 1 GROUND CIRCUIT OPEN/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  .