NHTSA campaign 23V600000 · Mack campaign SC0448
Mack Recall 23V-600: Low Turn Signal Visibility/FMVSS 108
NHTSA recall 23V600000 (Mack campaign SC0448) was reported by Mack Trucks, Inc. on August 25, 2023, with 27,418 vehicles potentially affected (per NHTSA). NHTSA's record lists the Mack GRANITE (GR) and Mack GRANITE (GU) for model years 2015–2023.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 23V600000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 23V600000 (also written 23V-600 or 23V600)
- Filed by
- Mack Trucks, Inc.
- Mack campaign number
- SC0448
- Report received
- Potentially affected
- 27,418 vehicles (per NHTSA)
- Component
- Exterior Lighting — Turn Signal
- Safety standard
- FMVSS 108
Repair completion: 53.18% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 23V600000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
NHTSA's recall notice
As NHTSA's recall record states it for campaign 23V600000.
Defect description
Mack Trucks, Inc. (Mack) is recalling certain 2015-2023 GU and GR vehicles. The turn signals may be positioned incorrectly, reducing their visibility. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Safety consequence
Low turn signal visibility may not alert other drivers to a turning vehicle, increasing the risk of a crash.
Manufacturer remedy
Dealers will add additional turn signal lighting, free of charge. Owner letters were mailed September 25, 2024. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0448.
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.nhtsa.gov.
Sources
Official NHTSA notice for recall 23V600000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.