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Home >> Dodge and Ram >> 2011 >> Durango Express, AWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P1593 To P2302 >> Diagnosis And Testing >> P2123-Accelerator Pedal Position Sensor 1 Circuit High >> Possible Causes

Possible Causes

Possible Causes 
(K23) APP SENSOR NO. 1 SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K23) APP SENSOR NO. 1 SIGNAL SHORTED TO THE (K852) 5 VOLT SUPPLY CIRCUIT
(K23) APP SENSOR NO. 1 SIGNAL SHORTED TO THE (F856) 5 VOLT SUPPLY CIRCUIT
(K167) APP SENSOR NO. 1 RETURN CIRCUIT OPEN
APP SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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