JEEP

1802623

2023-11-22 · NHTSA 10248949

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

Manufacturer summary

Original wording in English

Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P0563-00 - System Voltage High. ? P21CC-00 - Reductant Control Module Supply Voltage High. ? P20F6-00 - Reductant Injection Valve Stuck Open Bank One Unit One. ? P208E-00 - Reductant Injector Stuck Closed - Bank One Unit One. ? P24B2-00 - Particulate Matter Sensor Circuit Intermittent. ? P00C0-00 - Turbocharger-Supercharger Bypass Valve Two Control Circuit. Customers may also comment on one or more of the following: ? **Vehicle not starting. ? Battery not charging. ? Engine oil Temp High message in the Instrument Panel Cluster (IPC). ? Engine Stop/Start (ESS) not ready due to a false driver seat belt unbuckled message in the IPC.** This bulletin involves reprogramming the PCM with the latest available software.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.