FixVault
Home
›
Jeep
›
2021
›
Cherokee High Altitude, Automatic T/Case Control
›
Repair and Diagnosis
›
Engine Performance
›
System
›
2.0L - DTCS P0452 To P060F
›
DTC Troubleshooting
›
P0455-EVAP System Large Leak
›
Set Condition
Set Condition
The Powertrain Control Module (PCM) initiates an intrusive test to determine the leak size. During the test the ESIM switch opened before a calibrated period of time, indicating a large leak is present.