# Service bulletin S2108000003

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: 10215852
- Published by NHTSA: 2022\-07\-18
- Manufacturer's number: S2108000003
- Manufacturer's date: 2021\-01\-07
- NHTSA component: VISIBILITY; EQUIPMENT ADAPTIVE/MOBILITY; WHEELS; STEERING; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS

## NHTSA's summary

Cluster Displays Blind Spot Alert Off Incompatible Trailer Message, Left Steering Wheel Switches Do Not Allow Update Or Change

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10215852-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10215852-9999.pdf)

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

## Components

Driver assistance, Electrical system, Equipment and accessories, Glass, wipers and mirrors, Steering, Wheels, Blind spot detection

## Vehicles listed

- 2020 to 2021 RAM 1500
- 2020 to 2021 RAM 2500
- 2020 to 2021 RAM 3500

## Other bulletins for the same vehicles and component

- [9100274 Rev 1](/bulletins/11035992.md), 2026-08-06, Service bulletin: LANE DEPARTURE: BLIND SPOT DETECTION. Blindspot Module For concern on Blindspot Module setting U11FB\-00 Lost Communication with Left Blind Spot Sensor, U11FA\-00 Lost Communication with Right Blind Spot Sensor. Some vehicle\(s\) where the Blindspot Module was replaced had no issues found with the Blindspot Module after testing. Please verify no wiring or connector issues are present prior to module replacement.
- [103289](/bulletins/11014887.md), 2025-03-04, Service bulletin: BACK OVER PREVENTION: WARNINGS; LANE DEPARTURE: BLIND SPOT DETECTION. CAMERA \- REAR VIEW
- [103288](/bulletins/11014869.md), 2025-03-04, Service bulletin: LANE DEPARTURE: BLIND SPOT DETECTION. CAMERA \- REAR VIEW
- [S258A000006](/bulletins/11014269.md), 2025-02-15, Service bulletin: LANE DEPARTURE: BLIND SPOT DETECTION. Rear ParkView Backup Camera Guidelines Not Appearing On Radio
- [9100274](/bulletins/10248853.md), 2024-01-16, Service bulletin: ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SOFTWARE. Blindspot Module For concern on Blindspot Module setting U11FB\-00 Lost Communication with Left Blind Spot Sensor, U11FA\-00 Lost Communication with Right Blind Spot Sensor. Some vehicle\(s\) where the Blindspot Module was replaced had no issues found with the Blindspot Module after testing. Please verify no wiring or connector issues are present prior to module replacement. Prior to replacing the Blindspot Module, Please Contact Engineering: FCA REDACTED CONTENT If no response in 15 minutes, please proceed with repair.
- [S2008000093](/bulletins/10223559.md), 2022-10-17, Service bulletin: LANE DEPARTURE: BLIND SPOT DETECTION. Blind Spot Or Park Assist Warnings, False Activation
- [S2008000093](/bulletins/10177504.md), 2020-07-27, Service bulletin: ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:WARNING:LAMP. Blind Spot Or Park Assist Warnings, False Activation

JSON: [/v1/bulletins/10215852](/v1/bulletins/10215852)

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