FixVault

Home › Jeep › 2016 › Wrangler Rubicon, Automatic Trans › Repair and Diagnosis › Engine Performance › System › 3.6L - DTCS P0157 To P0457 › DTC Troubleshooting › P0440-General EVAP System Failure › Set Condition

Set Condition

The Evap system was unable to achieve or maintain vacuum during the test period or the system was not able to close the ESIM Switch when vacuum was present.