# Service bulletin 08\-296\-26

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: 11035972
- Published by NHTSA: 2026\-08\-06
- Manufacturer's number: 08\-296\-26
- Manufacturer's date: 2026\-07\-28
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Global Telematics Box \(TBM\) Firmware Over Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and one or more of the SYMPTOM: following Diagnostic Trouble Codes \(DTCs\): ● B22A9\-96 \- ECU Internal Performance\-Component Internal Failure. ● B1560\-11 \- Cellular Antenna 1\-Circuit Short To Ground. ● B1560\-13 \- Cellular Antenna 1\-Circuit Open. ● B1561\-11 \- Cellular Antenna 2\-Circuit Short To Ground. ● B1561\-13 \- Cellular Antenna 2\-Circuit Open. ● B1562\-14 \- GPS Antenna\-Circuit Short To Ground Or Open. Customers may also experience the following: ● "UConnect Box Requires Service" Message in Radio Display.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11035972-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11035972-9999.pdf)

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

## Components

Electrical system

## Trouble codes named

B1560, B1561, B1562, B22A9

## Vehicles listed

- 2025 DODGE DURANGO

## Other bulletins for the same vehicles and component

- [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
- [S2508000025 REV. B](/bulletins/11034926.md), 2026-07-08, Service bulletin: ELECTRICAL SYSTEM. Instrument Panel Cluster \(IPC\) and Radio Compass Display has Dashes \(\-\-\)
- [113153](/bulletins/11034915.md), 2026-07-08, Service bulletin: ELECTRICAL SYSTEM; ENGINE. THERMOSTAT – NONE.
- [113152](/bulletins/11034914.md), 2026-07-08, Service bulletin: ELECTRICAL SYSTEM; ENGINE. THERMOSTAT – NONE.
- [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 \(\-\-\)
- [9100848](/bulletins/11034382.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM. If the Driver/Passenger Seat Adjsuter Switch is inoperable, seat back will not move or seat moves on its own: 1.Which function is not operating properly? \*Forward/Backward \*Recline Forward \*Recline Backward \*Height Adjustment \*Multiple Functions 2.Is the concern constant or Intermittent? 3.If intermittent, how often does it occur? Daily, Weekly, Randomly 4.Does the seat move on its own without pressing any switch? Yes / No 5.Does the issue occur only while driving, only at key\-on, or while the vehicle is parked? 6.Has the concern occurred after the vehicle has been sitting for an extended period \(overnight or several hours\)? 7.Does pressing the switch multiple times temporarily restore operation? 8.Have any other seat functions or electrical features been affected at the same time? 9.Has the seat adjuster switch or seat assembly been previously repaired or replaced? Before replacing the seat adjuster switch, verify power, ground, connector engagement, wiring integrity, and inspect for blown fuses or damaged harnesses. If no external issues are found and the concern is verified, an intermittent internal switch failure should be considered.
- [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
- [S268A000014](/bulletins/11034346.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM. Radio/ETM is Adding Approximately 27mA Draw to Vehicle When in Logistics Mode

JSON: [/v1/bulletins/11035972](/v1/bulletins/11035972)

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