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Home >> Dodge and Ram >> 2018 >> Charger Pursuit, 5.7L Eng VIN T, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 28 (6.2L - DTCS P0140 To P0452) >> DTC Troubleshooting >> P0452-EVAP Pressure Switch Stuck Closed >> Possible Causes

Possible Causes

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Possible Causes
ESIM SIGNAL CIRCUIT SHORTED TO GROUND
ESIM SIGNAL CIRCUIT SHORTED TO THE ESIM GROUND CIRCUIT
EVAPORATIVE SYSTEM INTEGRITY MONITOR (ESIM) SWITCH
PINCHED/OBSTRUCTED LINE BETWEEN THE EVAP PURGE SOLENOID AND CANISTER
PURGE SOLENOID
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .