JEEP

0817023

2023-07-13 · NHTSA 10242799

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: Hybrid Control Processor (HCP) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ?P0563-00 - System Voltage High. ? P2B28-00 - Hybrid/EV Battery Pack Coolant Pump Performance. Customers may also comment on one or more of the following: ? Reduced engine restart performance. ? May observe battery lamp illumination or the technician observes the 12V system voltage high when diagnosing. This bulletin involves reprogramming the HCP also known as Power Inverter Module (PIM) 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.