# Service bulletin 0809223

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10236924
- Published by NHTSA: 2023\-05\-30
- Manufacturer's number: 0809223
- Manufacturer's date: 2023\-04\-14
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM

## NHTSA's summary

Flash: Radio Frequency Hub Module \(RFHM\) Updates The customer may describe that they heard about these vehicles that can be unlawfully driven away by thieves when they are able to program new key fobs through the RFHM. Software enhancement include: ? Update to the RFHM software to prevent hackers from programming their own key fob to the vehicle. ? This is intended to deter an unwanted drive off of the vehicle without the customers knowledge.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10236924-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10236924-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Software

## Vehicles listed

- 2018 JEEP GRAND CHEROKEE

## Recalls for the same vehicles and component

- [18V332000](/recalls/nhtsa/18V332000.md), 2018-05-17: ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING

## Other bulletins for the same vehicles and component

- [BulletinA](/bulletins/10240002.md), 2023-07-31, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Customer Satisfaction Notification ZD7 \- Radio Software Update
- [08\-229\-22](/bulletins/10229805.md), 2023-01-17, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Over The Air Software Version Update to 22.66 This bulletin provides information regarding the latest Firmware Over The Air \(FOTA\) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from IR22.64 and IR22.65 to IR22.66. The national launch for the FOTA is expected to begin on January 09, 2023. ? Wi\-Fi hotspot connection not working. ? No internet connection message on the phone when trying to connect to a device
- [21\-047\-17](/bulletins/10217494.md), 2022-08-08, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; POWER TRAIN. Flash: Transmission Diagnostic and Shift Enhancements This bulletin involves reprogramming the Transmission Control Module \(TCM\) withthe latest available software. Customers may experience the following:A ?bump? or ?jerk? during a park to driveor park to reverse garage shift immediately after starting the engine.The above symptom/condition can only be duplicated at startup when vehiclehas been shut down for at least 5 minutes. Poor shift quality or ?bump? experienced during or immediatelyafter Engine Stop/Start \(ESS\) restart.
- [0809921](/bulletins/10212486.md), 2022-05-31, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. UAQ and UCQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to 39.5 Customers may experience one or more of the following: Intermittent, black radio display screen. Intermittent, radio freezes. Bluetooth® pairing and/or connection issues. Lost radio presets. Radio channels change by itself. SXM icon inoperative. In addition, the following enhancement are included in this update:Enables map updates.
- [S2008000130](/bulletins/10180233.md), 2020-09-28, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Radio UConnect GPS Based Trip Computer Missing
- [S2008000010](/bulletins/10178642.md), 2020-08-24, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. Apple Carplay Inoperative Or Not Working, Phone Not Pairing, Carplay Lockup, Freeze or Audio Concerns
- [S2008000073](/bulletins/10176540.md), 2020-06-22, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. VP4 Panasonic Radio USB Software Update Error Codes And Guidelines For Recovery

JSON: [/v1/bulletins/10236924](/v1/bulletins/10236924)

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