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Service bulletin SLM22-004

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 id10211065
Published by NHTSA2022-05-06
Manufacturer's numberSLM22-004
Manufacturer's date2022-04-30
NHTSA componentSERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT; STEERING

NHTSA's summary

Service Literature Published and Released in April, 2022

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

Brakes, Electrical system, Engine, Equipment and accessories, Steering, Anti-lock brakes

Vehicles listed
MACK ANTHEM (AN)2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK GRANITE (GR)2018, 2019, 2020, 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it)
MACK LR2022
MACK LR ELECTRIC2022
MACK MD2022
MACK PINNACLE (CHU)2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK PINNACLE (CXU)2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK PINNACLE (PI/PN)2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK TERRAPRO (MRU)2022 (the catalog's model; the bulletin names a series or trim of it)
MACK TERRAPRO (TE)2022 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
25V0300002025-01-23. SERVICE BRAKES, AIR:ANTILOCK
24V7920002024-10-23. ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.