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Service campaign N242473130

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService campaign
NHTSA id11010535
Published by NHTSA2024-11-14
Manufacturer's numberN242473130
Manufacturer's date2024-11-14
Campaign id or software versionN242473130
NHTSA componentSERVICE BRAKES

NHTSA's summary

Service Update. On certain vehicles, there may be debris/machining chips in the rear knuckles. Dealers will inspect, and if necessary, retap the rear brake caliper bracket threads.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes

Vehicles listed
GMC HUMMER EV PICKUP2025

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
25-NA-0652025-04-24. Service bulletin. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
N2524997502025-04-14. Service campaign. Certain vehicles listed above may have a condition in which the front brake lines are below torque specification. Dealers will inspect and if necessary, correct the front brake line torque to specification.
24-NA-0482025-02-17. Service bulletin. This service bulletin provides customer information for rear unwanted automatic braking, usually when reversing out of a garage or driveway.
21-NA-0432025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
25-NA-0032025-02-11. Service bulletin. This technical bulletin provides a procedure on a rattle type noise heard from the brake pedal area.
25-NA-0032025-02-07. Service bulletin. This service bulletin provides repair information to correct a customer concern of a rattle type noise heard from the brake pedal area.
24-NA-0452025-01-16. Service bulletin. This informational bulletin provides information on Pop/Creak Type Noise While Sitting Stationary and Turning Steering Wheel with Brakes Applied.
PIT62962024-12-16. Service bulletin. This Preliminary information communicates that a software update will be released to correct a false setting U164E from setting in the electronic brake control module.
21-NA-0432024-12-10. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
PIT6212B2024-10-25. Service bulletin. This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.