Vehicle recall 14V738000 · November 20, 2014
Mack Granite (gu) and Pinnacle (cxu)
The affected vehicles contain an incorrectly wired Automatic Shut-down Protection System, which may not operate as expected.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Mack Trucks, Inc. (Mack) is recalling certain model year 2015 CXU and GU trucks manufactured January 1, 2014, to August 20, 2014. The affected vehicles contain an incorrectly wired Automatic Shut-down Protection System, which may not operate as expected.
- Consequence
- If the Automatic Shut-down Protection System does not operate as expected, the operator may be unable to control the increase in the engines rpms, increasing the risk of engine failure and vehicle fire.
- Remedy
- Mack will notify owners, and dealers will inspect the system for correct operation and repair if necessary, free of charge. The recall began on January 16, 2015. Owners may contact Mack customer service at 1-610-709-2131. Mack's number for this recall is SC0386.
- Notes
- Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Recall details
- NHTSA campaign
- 14V738000
- Reported to NHTSA
- November 20, 2014
- Filed by
- Mack Trucks, Inc.
- Manufacturer campaign
- SC0386
- Owner notification
- January 16, 2015
- Vehicles potentially affected
- 40
- Initiated by
- the manufacturer
- Components
- Engine
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Mack Granite (gu) (2015): 2015
- Mack Pinnacle (cxu) (2015): 2015
Has your Mack been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Mack dealer can also check your VIN. Recall repairs are free.