SC0460 – Park Brake Pressure Switch – 2024 Mack MD6 & MD7

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March 1, 2024 NHTSA CAMPAIGN NUMBER: 24V167000

Incorrect Park Brake Pressure Switch

The park brake light may indicate that the park brake is applied when it is not, possibly resulting in a vehicle roll away and increasing the risk of a crash.

 

NHTSA Campaign Number: 24V167

Manufacturer Mack Trucks, Inc.

Components PARKING BRAKE

Potential Number of Units Affected 117

 

Summary

Mack Trucks, Inc. (Mack) is recalling certain 2024 MD6 and MD7 vehicles. The park brake light may indicate the incorrect brake status due to an incorrect park brake pressure switch.

 

Remedy

Dealers will inspect and replace the brake pressure switch as necessary, free of charge. Owner notification letters were mailed March 11, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack’s number for this recall is SC0460.

 

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.

 


Description

On certain vehicles when the park brake is applied, the light indicates it is not applied. When the park brake is not applied, the light indicates it is applied. If the park brake indicator is incorrect it increases the risk of an accident.

Vehicles will be recalled and the remedy program will be to inspect functionality of the park brake and replace with the correct park brake switch if necessary.

 

Model and Model Years Affected

  • Certain 2024 Mack MD6 and MD7 vehicles manufactured November 09, 2023 through November 29, 2023.

 

Vehicle Quantities

  • 117 vehicles (117 US)

 

Dealer Responsibilities

  • The National Traffic and Motor Vehicle Safety Act and Canadian Motor Vehicle Safety Act require dealers to ensure that all new and used vehicles are free of safety defects and comply with all relevant safety standards at the time of delivery to the consumer.
  • Dealers should make their personnel aware of the safety recall. In the event that a dealer has a vehicle included in the safety recall in their inventory to be sold, the condition must be corrected before releasing it to a customer.

 

Notification Release Schedule

  • Vehicle list will be posted on the Trucks Dealer Portal March 05, 2024.
  • Owner notification letters will be released on or before April 26, 2024.

 

Contact

If you have questions or concerns about this recall, contact the Regulatory Affairs Department at vtna.regulatoryaffairs@volvo.com.

 


SC0460
03.2024

Mack MMD Brake Pressure Switch
MD6, MD7

 

RECALL INFORMATION

(March 2024)

Mack Trucks has determined that certain 2024 model year MD6 and MD7 vehicles were built with an improper brake pressure switch which indicates the incorrect park brake status. When the park brake is applied, the light indicates it is not applied. When the park brake is not applied, the light indicates it is applied.

Mack Trucks has not received warranty claims, field reports, or service reports due to this issue.

To ensure that these vehicles meet Mack’s stringent quality requirements, follow the instructions outlined below to inspect functionality of the park brake and replace with the correct park brake switch if necessary.

 

VEHICLES AFFECTED

Certain Mack MD6 and MD7 model vehicles manufactured between November 9, 2023, and November 29, 2023.

 

VEHICLE QUANTITY

There are 117 vehicles affected by this recall. (117 US)

 

Parts

Part Number Part Description Quantity
20489116 Switch As needed

 

Repair Instructions

Refer to the Information In PDF below…

 

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Chronology :

December 11, 2023 Mack Manufacturing informs Product Safety that they have trucks which were built with a incorrect park brake switch due to a supplier error, an investigation is opened. Engineering evaluation is started to identify impact on vehicle functions.

February 19, 2024 Investigation findings are reviewed with Product Safety Evaluation Committee and recommendation that this be brought to Product Safety Committee as a potential product safety defect.

February 26, 2024 Product Safety Committee meets and reviews evaluation and determines that a product safety defect exists and a recall will be performed.

March 1, 2024 DIR 573 Report filed with NHTSA

There have been no accidents or injuries related to this issue, there have been no warranty claims, field reports or customer complaints associated with this issue.

 


1 Affected Product

Vehicle

MAKE MODEL YEAR
MACK MD 2024

 


5 Associated Documents

Recall Acknowledgement

RCAK-24V167-4502.pdf 645.348KB

 


Defect Notice 573 Report

RCLRPT-24V167-6242.PDF 215.486KB

 


Manufacturer Notices(to Dealers,etc)

RCMN-24V167-7151.pdf 169.192KB

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Remedy Instructions and TSB

RCRIT-24V167-0075.pdf 1091.632KB

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ISSUED Owner Notification Letter(Part 577)

RCONL-24V167-7462.pdf 155.913KB

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Latest Recalls Documents

For the Latest and Most recent Recall Information Visit the link below…

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=24V167&docType=RCL

 


 

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Last update on 2024-06-10 / Affiliate links / Images from Amazon Product Advertising API

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