# Service bulletin CSR\-3290

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: 11030175
- Published by NHTSA: 2026\-03\-20
- Manufacturer's number: CSR\-3290
- Manufacturer's date: 2026\-03\-19
- Campaign id or software version: CSR\-3290
- NHTSA component: ELECTRICAL SYSTEM; SERVICE BRAKES

## NHTSA's summary

Altec Industries, Inc. has received notification from FCA US LLC that a condition exists that relates to motor vehicle safety and affects certain 2025 and 2026 model year \(DP\) Ram 4500/5500 Cab Chassis equipped with an Altec aerial device or equipment. On the potentially affected units the trailer tow module may experience a loss of trailer lighting and trailer brakes. The trailer turn signal will not flash when the vehicle turn signal lever is actuated and the trailer stop lights will not be activated upon application of the vehicle service brakes. In addition, if equipped, the trailer brakes will not function.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11030175-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11030175-9999.pdf)

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

## Components

Brakes, Electrical system

## Vehicles listed

- 2025 to 2026 ALTEC AERIAL DEVICE
- 2025 to 2026 ALTEC SERVICE BODY

JSON: [/v1/bulletins/11030175](/v1/bulletins/11030175)

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