# Service bulletin 0810323

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: 10236943
- Published by NHTSA: 2023\-05\-30
- Manufacturer's number: 0810323
- Manufacturer's date: 2023\-04\-19
- NHTSA component: EQUIPMENT; ELECTRICAL SYSTEM

## NHTSA's summary

Telematics Box Module \(TBM\) Over The Air Software Update to 4.36 Customers may experience one or more of the following: ? Uconnect pop up box error or requires service message. ? Losing WiFi Hotspot streaming connection: internet data is not reliable. ? LED blinking on overhead console after ignition cycle. ? User is unable to setup the Charge schedule/Climate schedule events in Uconnect App \(TBM is sending failure message\). 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 TBM software will be updated from \(WD \- 4.27i.\) and \(RU \- 4.29d\) to 4.36.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10236943-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10236943-9999.pdf)

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

## Components

Electrical system, Equipment and accessories

## Vehicles listed

- 2021 to 2022 CHRYSLER PACIFICA
- 2021 to 2022 CHRYSLER VOYAGER
- 2021 to 2022 DODGE DURANGO

## Recalls for the same vehicles and component

- [26V362000](/recalls/nhtsa/26V362000.md), 2026-06-04: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- [25V877000](/recalls/nhtsa/25V877000.md), 2025-12-17: EQUIPMENT ADAPTIVE/MOBILITY:WHEELCHAIR RESTRAINTS/SECUREMENT:LATCH/ANCHOR:
- [25V876000](/recalls/nhtsa/25V876000.md), 2025-12-17: EQUIPMENT ADAPTIVE/MOBILITY:WHEELCHAIR RESTRAINTS/SECUREMENT:LATCH/ANCHOR:
- [2023008](/recalls/tc/2023008.md), 2023-01-18: Electrical
- [23V010000](/recalls/nhtsa/23V010000.md), 2023-01-17: ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; HYBRID PROPULSION SYSTEM: INVERTER

## Other bulletins for the same vehicles and component

- [S2621000006](/bulletins/11038331.md), 2026-10-07, Service bulletin: ELECTRICAL SYSTEM. Note: Document released 10/2/2026. Multiple Warning Indicators On In The IPC. ESM \- PRNDL Flashing. And The Vehicle Will Not Shift Into Gear. The Wipers May Be On, With An Electric Parking Brake Unavailable.
- [08\-334\-26](/bulletins/11037463.md), 2026-09-23, Service bulletin: ELECTRICAL SYSTEM. Flash: Integrated Dual Charge Module \(IDCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● \*\*P0D21\-00 \- Battery Charger "A" Output Voltage Too Low. ● B22A9\-87 \- ECU Internal Performance\-Missing Message.\*\* ● B22A9\-64 \- ECU Internal Performance \- Signal Plausibility Failure. Customers may experience the following: ● \*\*Vehicle will not charge.\*\* This bulletin involves reprogramming the IDCM with the latest available software.
- [9100900](/bulletins/11037346.md), 2026-09-17, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
- [113803](/bulletins/11036166.md), 2026-08-13, Service bulletin: ENGINE; ELECTRICAL SYSTEM. HOSE AND TUBE \- HEATER SUPPLY AND RETURN
- [08\-294\-26](/bulletins/11035317.md), 2026-07-29, Service bulletin: ELECTRICAL SYSTEM. Telematics Box Module \(TBM\) Firmware Over The Air Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Codes \(DTCs\): ● B22A9\-00 \- ECU Internal Performance. ● B1560\-13 \- Cellular Antenna 1\-Circuit Open. ● B1561\-13 \- Cellular Antenna 2\-Circuit Open. ● B1562\-12 \- GPS Antenna\-Circuit Short To Battery. Customers may also comment on the following: ● "Uconnect Box Requires Service" message in the display screen module.
- [9100860](/bulletins/11035068.md), 2026-07-18, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
- [08\-256\-26](/bulletins/11034896.md), 2026-07-08, Service bulletin: ELECTRICAL SYSTEM. Uconnect® Screen Turns Blank Or Black Customers may experience the following: SYMPTOM: ● The Uconnect® screen display goes blank/black at times.
- [S2508000025 REV.A](/bulletins/11034390.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM. Instrument Panel Cluster \(IPC\) and Radio Compass Display has Dashes \(\-\-\)
- [S2623000046](/bulletins/11034388.md), 2026-07-02, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. Calibration Requirements For The Power Sliding Door Module \(PSDM\).
- [S2623000041 REV.A](/bulletins/11034351.md), 2026-07-02, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. Power Liftgate Intermittently Inoperative. Will Not Open/ Close. Liftgate/Hatch Ajar Message Displayed. Rev A

JSON: [/v1/bulletins/10236943](/v1/bulletins/10236943)

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