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Home >> Dodge and Ram >> 2024 >> ProMaster 2500 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Electric Vehicle Control Unit Module (EVCU) - DTCS P1EA5-00 To P2183-00) >> DTC Troubleshooting >> P2123-00 Accelerator Pedal Position Sensor 1 Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2024 RAM ProMaster EV. However, it is still accessible from the selected car via links, so may be relevant.
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
ELECTRIC VEHICLE CONTROL UNIT (EVCU)

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