# Service campaign S4245 202512

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 campaign
- NHTSA id: 11027017
- Published by NHTSA: 2026\-01\-06
- Manufacturer's number: S4245 202512
- Manufacturer's date: 2025\-12\-02
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Mack Trucks has identified that certain MDE model trucks may have inadequate torque at the high\-voltage connections of the drive motor. Insufficient torque at these connections can lead to intermittent power loss and potential short circuits. Please follow the instructions in this document to inspect and torque the connections to the proper torque.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11027017-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11027017-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2024 MACK MD \(ELECTRIC\)

JSON: [/v1/bulletins/11027017](/v1/bulletins/11027017)

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