# Service bulletin 0816122

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: 10225292
- Published by NHTSA: 2022\-10\-31
- Manufacturer's number: 0816122
- Manufacturer's date: 2022\-08\-24
- NHTSA component: SEATS; ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

Flash: Memory Seat Module \(MSM\) Updates This bulletin involves reprogramming the MSM 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 \(DTC\). B1D9B\-54 \- Seat Horizontal Front Stop Not Learned\-Missing Calibration. Customers may experience the following:Memory seat do not save on profiles 1 or 2. Easy entry/exit functionality is inoperative. Drivers massage seats do not recall lumbar and bolster position when profile selected on radio \(Recall from door switches and keyfob work as expected\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225292-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225292-9999.pdf)

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

## Components

Electrical system, Seats, Software

## Trouble codes named

B1D9B

## Vehicles listed

- 2021 JEEP GRAND CHEROKEE

## Other bulletins for the same vehicles and component

- [0802824](/bulletins/10251875.md), 2024-03-18, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Radio Over The Air Update from QR39.82F to QR40.12 Software Version Customer may experience one or more of the following: ? Mobile Wi\-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone when trying to connect to a device. 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 QR39.82F to QR40.12. NOTE: National launch for this FOTA update is expected to begin Feburary 19, 2024.
- [0802624](/bulletins/10251870.md), 2024-03-18, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Radio Over The Air Update from QR39.5 to QR40.11 Software Version Customer may experience one or more of the following: ? Mobile Wi\-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone when trying to connect to a device. 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 QR39.5 to QR40.11. NOTE: National launch for this FOTA update is expected to begin Feburary 19, 2024.
- [0802524](/bulletins/10251867.md), 2024-03-18, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Radio Over The Air Updating to QR40.12 Software Version Customers may experience one or more of the following: ? Mobile Wi\-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone, when trying to connect to a device. 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 QR39.2 to QR40.11. NOTE: National launch for this FOTA update is expected to begin February 19, 2023.
- [0824523](/bulletins/10248941.md), 2024-01-16, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; UNKNOWN OR OTHER; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Over The Air Update to Q339.3 to QR39.62 Software Version Customers may experience one or more of the following: ? Mobile Wi\-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone when trying to connect to a device. 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 Q339.3 to QR39.62. NOTE: The National launch for this FOTA update campaign is expected to begin December 04, 2023.
- [S2308000054](/bulletins/10248874.md), 2024-01-16, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. System Operation Obstructed or Blocked, ?Blind Spot Temporarily Unavailable, Sensor Blocked?, ?Automatic Emergency Braking \(AEB\) Limited Service Required? or ?Limited Functionality Clean Front Windshield? Displayed Momentarily on The Cluster
- [S2308000139](/bulletins/10248867.md), 2024-01-16, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Code Error Message on The Radio, Uconnect Box Error or ?Please Reset Message? Appears on the Radio Display
- [0818123](/bulletins/10242828.md), 2023-09-25, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Over The Air Updating to QR40.12 Software Version ? Mobile Wi\-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone, when trying to connect to a device. 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 QR39.62 and QR39.57 to QR40.12. NOTE: National launch for this FOTA update is expected to begin August 16, 2023
- [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
- [0809523](/bulletins/10236921.md), 2023-05-30, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. 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.
- [S2203000004](/bulletins/10225983.md), 2022-11-07, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. Service 4wd Light/Message Illuminated. Diagnostic Trouble Codes \(DTCs\) C149D\-54 ? Clutch Calibration Not Learned ? Missing Calibrations, And/Or C149D\-55 ? Clutch Calibration Not Learned ? Not Configured, Set After Drivetrain Control Module \(DTCM\) Reprogramming.

JSON: [/v1/bulletins/10225292](/v1/bulletins/10225292)

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