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Recall data is sourced from official U.S. government agencies (CPSC, FDA, NHTSA, USDA) and processed using AI to improve readability. This site is not affiliated with or endorsed by any government agency. Always refer to the original agency notice for authoritative information.

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Medium RiskNHTSA
Vehicle Parts & Equipment/Electrical & Lighting

Mack Trucks, Inc.: 2015-2023 GU and GR Trucks Recalled for Low Turn Signal Visibility

Agency Publication Date: August 25, 2023
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Summary

Mack Trucks, Inc. is recalling approximately 27,418 of its 2015-2023 GU and GR model vehicles. The turn signals on these trucks may be positioned incorrectly, which reduces their visibility to other drivers on the road. This defect means the vehicles do not comply with federal safety standards for lighting and reflective equipment. Owners should take their vehicle to an authorized dealer to have additional turn signal lighting installed free of charge.

Risk

If turn signals are not clearly visible, other drivers may not realize the truck is about to turn or change lanes, which significantly increases the risk of a traffic collision.

What You Should Do

  1. Check your vehicle's model and year to see if you own a 2015-2023 Mack GU or GR truck.
  2. Contact an authorized Mack Trucks dealer to schedule a service appointment to have additional turn signal lighting installed at no cost to you.
  3. If you have further questions, contact Mack's customer service at 1-800-866-1177 and reference recall number SC0448.
  4. You may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153) or visit www.nhtsa.gov.

Your Remedy Options

๐Ÿ”งFree Repair

Additional turn signal lighting installation

How to: Dealers will add additional turn signal lighting free of charge. Owners may contact Mack customer service at 1-800-866-1177.

Affected Products

Product: 2015-2023 Mack GU
Product: 2015-2023 Mack GR

Additional Information

Agency: National Highway Traffic Safety Administration (NHTSA)
Recall ID: 23V600000
Status: Active
Manufacturer: Mack Trucks, Inc.
Sold By: authorized dealers
Units Affected: 27,418 vehicles(100% estimated defective)
Park Vehicle: No
Park Outside: No
OTA Update: No
Product Type: Vehicle (V)
Recall Classification: Compliance (Federal Standard Violation)
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.
Distributed To: Nationwide
Manufacturer Recall #: SC0448
Agency Last Updated: March 17, 2026

Were You Affected by This Recall?

If you or a family member were harmed by this recalled product, you may have legal rights. Consider consulting a consumer protection attorney to understand your options for compensation.

Find an Attorney

This is general information, not legal advice. Go Backs is not a law firm and does not provide legal services.

AI-Enhanced Content: The summary, action steps, and risk assessment on this page were generated by AI from official government recall data to improve readability. This is not legal or medical advice. Always refer to the official agency sources below for authoritative information.

Sources: NHTSA Notice ยท Raw API Response