Exterior lighting: turn signalRecall 23V-600 · Mack vehicles
Mack Trucks, Inc. recall 23V-600 covers 27,418 Mack vehicles for a exterior lighting: turn signal problem, reported to NHTSA on August 25, 2023. The manufacturer's latest report (2026 Q2) shows 53% of affected vehicles repaired.
Source: NHTSA recall 23V600000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
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."
The risk
Low turn signal visibility may not alert other drivers to a turning vehicle, increasing the risk of a crash.
The fix
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.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
53%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.