WenmarOpen by Wenmar Pro

Service bulletin S3766 202312

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10248114
Published by NHTSA2024-01-03
Manufacturer's numberS3766 202312
Manufacturer's date2023-12-21
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Service Campaign: Mack trucks has determined that the CCCM (Combined Charging system Control Module) on certain LRBe model trucks could experience water intrusion causing damage to the CCCM.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
MACK LRBE (ELECTRIC)2022 to 2023

Listing a model year does not mean every vehicle of it is concerned: the document says which.