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Home >> Dodge and Ram >> 2015 >> Durango SXT, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 189 (3.6L - DTCS P0138 To P0456) >> DTC Troubleshooting >> P0452-EVAP Pressure Switch Stuck Closed >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2016 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.
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  .