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Home >> Jeep >> 2022 >> Gladiator Mojave, Part Time T/Case Control, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 3.6L (GPEC 5) - DTCS P0405 To P0462 >> DTC Troubleshooting >> P0452-EVAP Pressure Switch Stuck Closed >> Possible Causes

Possible Causes

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
PLUGGED 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  .