JEEP

18-024-19 REV. A

Manufacturer communications

Publication date: 2019-10-01
Received by NHTSA: 2019-12-02
NHTSA record numbers: 10168431

Manufacturer summary

Original wording in English

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the one ormore of the following Diagnostic Trouble Codes (DTCs) have been set:P0456 - EVAP System Small Leak. P06EF - Engine Restart Performance. Customers may also comment on the following:The engine fails to restart while in Engine Stop/Start (ESS) mode. This is usually accompanied with DTC P06EF.

NHTSA manufacturer communications ↗

Reported code forms

P0456 P06EF

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

JeepP0456

EVAP System Small Leak

NHTSA 10119630 · NHTSA 10121701 · NHTSA 10121721

JeepP06EF

Engine Restart Performance

NHTSA 10168431 · NHTSA 10168464 · NHTSA 10169221

Check vehicle applicability

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Make	Model	Model year
Jeep	CHEROKEE	2019

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