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Home >> Jeep >> 2021 >> Compass Trailhawk >> Repair and Diagnosis >> Engine Performance >> System >> 2.4L - DTCS P1E08 To P2AF5 >> Diagnosis And Testing >> P2122-Accelerator Pedal Position Sensor 1 Circuit Low >> Possible Causes

Possible Causes

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  .