Service bulletins for the 2020 Mack Granite
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.
260 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
| CBR-2383 202406 | 2024-07-03. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL. CBR - Accelerator Pedal: Inspection Instructions |
|---|---|
| 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) |
| K01435609 | 2019-07-01. Service bulletin. ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL. Adaptive Cruise Control ECU Fault In The Driver Information Display (DID) At Start Up; "Missing Communication From Adaptive Cruise Control ECU" Message In Cluster (MID 140 PSID 211 FMI 9) - Model Year 2018 And Newer |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.