JEEP

18-028-20

Manufacturer communications

Publication date: 2020-03-27
Received by NHTSA: 2020-04-27
NHTSA record numbers: 10174255 · 10175175 · 10175588

Multiple filings of the same bulletin are grouped here; original record numbers remain available.

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 one or more ofthe following DTCs have been set:U0100 - Lost Communication With ECM/PCM. P0456 - EVAP System Small Leak. P1CEA - Boost Side EVAP Purge System Performance. In addition, the customer may also experience the following:The vehicle will not crank if the ECM gets hotter than 50 °C (122°F). Intermittent no-crank when first starting the vehicle.

NHTSA manufacturer communications ↗

Reported code forms

P0456 P1CEA U0100

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

JeepP1CEA

Boost Side EVAP Purge System Performance

NHTSA 10174255 · NHTSA 10176583 · NHTSA 10194055

JeepU0100

Lost Communication With ECM/PCM

NHTSA 10174255 · NHTSA 10176583 · NHTSA 10194055

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Make	Model	Model year
Jeep	RENEGADE	2019

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