LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 3.6L - DTCS P0157 To P0457 >> Diagnosis And Testing >> P0452-EVAP Pressure Switch Stuck Closed >> Possible Causes

Possible Causes

Possible Causes
EVAPORATIVE PURGE HOSE/TUBE AND FRESH AIR FILTER OBSTRUCTION
EVAP PURGE SOLENOID CONTROL CIRCUIT SHORTED TO GROUND
ESIM SWITCH SIGNAL CIRCUIT SHORTED TO GROUND
ESIM SWITCH
EVAP PURGE SOLENOID
POWERTRAIN CONTROL MODULE (PCM)

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