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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 502 (2.4L - DTCS P2123 To U1418) >> Diagnosis And Testing >> P2127-Accelerator Pedal Position Sensor 2 Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.
POSSIBLE CAUSES
(K854) 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(K29) APP SIGNAL 2 CIRCUIT SHORTED TO GROUND
(K854) 5 VOLT SUPPLY CIRCUIT SHORTED TO (K400) SENSOR GROUND CIRCUIT
(K854) 5 VOLT SUPPLY CIRCUIT SHORTED TO (K167) SENSOR GROUND CIRCUIT
(K29) APP SIGNAL 2 CIRCUIT SHORTED TO (K400) SENSOR GROUND CIRCUIT
(K29) APP SIGNAL 2 CIRCUIT SHORTED TO (K167) SENSOR GROUND CIRCUIT
(K854) 5 VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE
(K29) APP SIGNAL 2 CIRCUIT OPEN OR HIGH RESISTANCE
ACCELERATOR PEDAL POSITION SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  .