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Service bulletin KC-2229

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 id10228947
Published by NHTSA2023-01-07
Manufacturer's numberKC-2229
Manufacturer's date2022-12-14
NHTSA componentVEHICLE SPEED CONTROL:ACCELERATOR PEDAL; POWER TRAIN; POWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

Automated Manual Transmission (AMT) Transmission Kickdown Mode

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

Throttle and cruise control, Transmission and driveline, Manual transmission

Vehicles listed
MACK MACK1994 to 1999
MACK MACK2001

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