# Service bulletin CSR\-3219

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: 11017683
- Published by NHTSA: 2025\-05\-03
- Manufacturer's number: CSR\-3219
- Manufacturer's date: 2025\-04\-30
- Campaign id or software version: CSR\-3219
- NHTSA component: ELECTRICAL SYSTEM; EXTERIOR LIGHTING

## NHTSA's summary

Altec Industries, Inc. has received notification from Kenworth Truck Company that a condition exists relating to motor vehicle safety, compliance, or emissions in a vehicle equipped with Altec equipment. Kenworth Truck Company has decided that certain Vehicle Model Year 2023\-2026 T180 / T280 / T380 / T480 chassis built from 7/5/2022 through 12/20/2024 fail to conform to Federal Motor Vehicle Safety Standard \(FMVSS\) No. 101 \- Controls and Displays and FMVSS No. 108 \- Lamps, Reflective Devices, and Associated Equipment. The Exterior Lighting Switch \(ELS\) in certain vehicles may not function. It is non\-responsive and can be reset only by a key cycle. If the ELS fails, the hazard lights and the backlight brightness adjustment may not function. As a result, the lack of hazard lights may not alert other drivers. Failure to adjust the backlight brightness may distract the operator or make it difficult to see critical safety information, which may increase the risk of a crash. No warning precedes this condition.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11017683-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11017683-9999.pdf)

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

## Components

Electrical system, Lighting

## Vehicles listed

- 2025 ALTEC AERIAL DEVICE

JSON: [/v1/bulletins/11017683](/v1/bulletins/11017683)

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