Service bulletins for the 1992 Mack MC
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.
22 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Throttle and cruise control are shown. Show all
| KC-2143 | 2022-07-05. Service bulletin. VEHICLE SPEED CONTROL. (Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP). |
|---|---|
| KC-686 | 2022-06-07. Service bulletin. VEHICLE SPEED CONTROL; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). (Back Office Only) Mack Chassis - Cruise Control Inoperative After Disabling The Electronic Stability Program (ESP) |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.