JEEP
18-057-19 REV. B
Manufacturer communications
- Publication date
- 2019-10-25
- Received by NHTSA
- 2019-12-02
- NHTSA record numbers
- 10168481
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 the following Diagnostic Trouble Code (DTC) has been set: P0456 - EVAP System Small Leak. Customer or technician may also experience the following:Unable to read data information from the OBDII connector when using a generic scan tool.(APAC only).
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
P0456EVAP System Small LeakCheck 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 | GRAND CHEROKEE | 2019 |