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 | 10225429 |
| Published by NHTSA | 2022-10-31 |
| Manufacturer's number | 0816122 |
| Manufacturer's date | 2022-08-24 |
| NHTSA component | SEATS; ELECTRICAL SYSTEM |
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
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Seats
Trouble codes named
B1D9B
| JEEP GRAND CHEROKEE | 2021 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2022136 | 2022-03-24. Seats And Restraints |
|---|---|
| 22V180000 | 2022-03-24. SEATS:CRITICAL FASTENERS; CHILD SEAT:VEHICLE TETHER ANCHOR |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| 08-221-26 REV. B | 2026-09-30. Service bulletin. R1H Radio U41.10 Software Update - Dealer Option Customers may experience one or more of the following: SYMPTOM: ● **Speakers may emit a humming, screeching, buzzing, clicking, or bass noise (not related to the amplifier).** ● FCW OFF light ON with no DTCs and can't turn off. ● Blank screen and then reboot every 2 minutes and 40 seconds. (Rearview Camera Functions Normally). ● Paddle shifters not working/no longer a setting. ● Autolocks not working. ● Auto headlights not working. ● AM station not working (Appears some of the vehicles PROXI defaults to "1" which is absent for AM). ● Album Art flickering issue. ● Blank screen and then reboot every 2 minutes and 40 seconds. ● CarPlay icon disappears from main screen while still active, leaving no navigation path back. ● Light/dark theme mismatch between Radio and temperature screens at key-on Radio experiences lockups, resets, blank screens, and language issues after FOTA. ● Valet mode sends duplicate requests causing HU and vehicle state misalignment. ● Rear seat media page intermittently shows a blank screen. ● Unable to select or drag 'Pitch and Roll' widget on home screen. ● USB playback resumes incorrectly, skipping to next track after reconnect. ● Album art not displayed on HMI despite availability in media. ● Incorrect call timer displayed for conference calls. ● Call status remains 'active' on widget after call ends. ● Second call status not updated on home screen widget. ● Rear entertainment tab intermittently blank when switching apps. ● System crashes for 20 to 30 seconds after voice reply action. ● Media progress bar continues incorrectly after second call acceptance. ● CarPlay device fails to reconnect automatically or manually. ● Rear HVAC lock/unlock text missing while icon is present. ● Visual glitch observed on Front Passenger Display Module (FPDM) display. ● Surround view camera accessible while driving across apps (unexpected behavior). This bulletin involves inspecting and if required, updating the radio software level to U41.10. Depending on the radio's current software level the radio may need a one or two USB update |
|---|---|
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| 9100902 | 2026-09-17. Service bulletin. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040. |
| S2623000001 REV.A | 2026-09-03. Service bulletin. Rotary Shifter Lights Blinking, Shifter Not Moving, Not Going Into Gear. |
| 9100866 | 2026-07-23. Service bulletin. Display Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders, Warranty, Mopar, Customer Pay and Service Contract. Order "68" part number for New, Unsold units only. |
| 9100859 | 2026-07-18. Service bulletin. Before replacing any part, check the DOT on the glass or the PN to make sure you choose the replacement part from the correct supplier: DOT 615 - 6NC10TRMAH - CIE Supplier DOT 1038 - 6NC07TRMAR - CIE Supplier DOT 1065 - 7TF32TRMAB, 7TF33TRMAB - HCMF Supplier |
| 08-274-26 | 2026-07-18. Service bulletin. Power Folding Seat Wire Harness Pinched Customers may experience one or more of the following: SYMPTOM: ● Battery is depleted. NOTE: Battery depletion may be due to a pinched power folding seat wire harness behind the left quarter panel by the cargo tie down fastener. ● Loss of function of the rear folding seats. ● Rear folding seat behavior is not functioning as expected. This bulletin involves repairing a pinched power folding seat wire harness behind the left quarter panel. |
| 112979 | 2026-07-02. Service bulletin. CAMERA - REAR VIEW |
| 112980 | 2026-07-02. Service bulletin. CAMERA - REAR VIEW |
| S2623000041 REV.A | 2026-07-02. Service bulletin. Power Liftgate Intermittently Inoperative. Will Not Open/ Close. Liftgate/Hatch Ajar Message Displayed. Rev A |