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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 3.6L - DTCS P0653 To P2128 >> Diagnosis And Testing >> P2128-Accelerator Pedal Position Sensor 2 Circuit High >> Possible Causes

Possible Causes

POSSIBLE CAUSES
(K854) 5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(K29) APP SIGNAL 2 CIRCUIT SHORTED TO VOLTAGE
(K29) APP SIGNAL 2 CIRCUIT SHORTED TO THE (K852) 5-VOLT SUPPLY CIRCUIT
(K29) APP SIGNAL 2 CIRCUIT SHORTED TO THE (K854) 5-VOLT SUPPLY CIRCUIT
(K29) APP SIGNAL 2 CIRCUIT OPEN OR HIGH RESISTANCE
(K400) SENSOR GROUND CIRCUIT OPEN OR 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  .