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Home >> Jeep >> 2007 >> Liberty Limited, 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P2123 To P2610 - Gas >> P2128-Accelerator Pedal Position Sensor 2 Circuit High >> Possible Causes

Possible Causes

Possible Causes 
(K29) APP SENSOR NO.2 SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K29) APP SENSOR NO.2 SIGNAL SHORTED TO THE (F856) 5-VOLT SUPPLY CIRCUIT
(K29) APP SENSOR NO.2 SIGNAL SHORTED TO THE (F855) 5-VOLT SUPPLY CIRCUIT
(K400) APP SENSOR NO.2 RETURN CIRCUIT OPEN
APP SENSOR
PCM

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.