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Service bulletin N232411300

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 bulletin
NHTSA id10240547
Published by NHTSA2023-08-08
Manufacturer's numberN232411300
Manufacturer's date2023-08-08
NHTSA componentSERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING:SWITCH/SENSOR/FLOAT; SERVICE BRAKES, HYDRAULIC

NHTSA's summary

Certain vehicles may have a brake fluid leak at the brake pressure switch. Dealers are to inspect the brake pressure switch for the suspect lot code 04523, replace the brake pressure switch if it has the suspect lot code or if the code is missing/unreadable. If there is evidence of a fluid leak, then replace both the brake pressure switch and brake jumper harness.

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
CHEVROLET SILVERADO 45002023 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 55002023 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 65002023 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
25V3900002025-06-12. SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING:SWITCH/SENSOR/FLOAT
24V6740002024-09-12. SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE:SOFTWARE; SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING: LAMP

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
23-NA-2012025-10-21. Service bulletin. This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated.
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.
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-0192025-02-11. Service bulletin. This bulletin advises the tech to check other areas that may need repair before replacing the wheel speed sensor.
21-NA-1552025-01-30. Service bulletin. This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.
24-NA-0732025-01-23. Service bulletin. This technical bulletin provides a procedure to inform drivers that under certain driving conditions such as hilly or mountainous roads accompanied with frequent braking, that the original equipment front brake pads may wear prematurely.
PIT5828D2025-01-20. Service bulletin. This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
PIT6134F2025-01-03. Service bulletin. This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
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.