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Home >> Dodge and Ram >> 2020 >> Durango R/T, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 33 (3.6L - DTCS P0443 To P04FC) >> 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
Pinched/Obstructed Line Between The Intake Manifold And Charcoal Canister
Purge Solenoid Stuck Closed
Evaporative System Integrity Monitor (Esim) Switch Stuck Closed
Powertrain Control Module (Pcm)

Always Perform The Pre-Diagnostic Troubleshooting Procedure Before Proceeding. Refer To  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .