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Home >> Jeep >> 2009 >> Compass Limited, EDG, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P2127 To P2308 (Gas) >> P2127-Accelerator Pedal Position Sensor 2 Circuit Low >> Possible Causes

Possible Causes

Possible Causes 
INTERMITTENT DTC
(K858) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(K29) APP SIGNAL 2 CIRCUIT SHORTED TO GROUND
(K858) 5-VOLT SUPPLY CIRCUIT SHORTED TO (K400) SENSOR GROUND CIRCUIT
(K858) 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
(K858) 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. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure