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Service bulletin 06-004-23b

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 id10248384
Published by NHTSA2024-01-06
Manufacturer's number06-004-23b
Manufacturer's date2023-12-01
NHTSA componentSTEERING

NHTSA's summary

Some customers may complain about a creaking noise coming from the steering column while driving. A steering column nut loosens due to excessive load when driving on irregular roads. To eliminate this concern, the tightening torque for the steering column nut has been increased.

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

Steering

Vehicles listed
MAZDA CX-52017, 2018, 2019, 2020, 2021, 2022, 2023
MAZDA CX-92016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
MAZDA MAZDA62017, 2018, 2019, 2020, 2021

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
SA-051-252025-12-05. Service bulletin. Noise, Vibration, and Harshness (NVH) Diagnostic Guidelines Diagnostic Guidelines When diagnosing NVH concerns, it is essential to first classify the issue into one of three primary categories: Noise, Vibration, or Harshness. Many customer complaints may involve overlapping symptoms, such as both noise and vibration, so identifying the dominant characteristic is critical. Once the primary symptom is determined, follow the appropriate diagnostic path. For example, if a concern includes both noise and vibration but is related to vehicle speed, the vibration diagnostic path should be followed. When considering component replacement during the diagnostic process, it is best practice to start with the lowest cost or most accessible part unless diagnostic evidence clearly identifies a more expensive or complex component as the root cause. This approach helps minimize repair costs and avoids unnecessary part replacements. For example, a growling or bearing whine noise may be mistakenly attributed to internal components in the differential, transfer unit, or transmission, when the actual source is a wheel bearing. Misdiagnosis like this can lead to unnecessary repairs, added time and cost. To help prevent this, always follow the guidelines in the repair procedure.
SA-005-252025-02-05. Service bulletin. Before judging a steering wheel as having premature wear or a defect, first clean the steering wheel as explained in the repair information. Some vehicles may have steering wheel stains caused by chemicals such as hand lotions.
06-001-252025-02-05. Service bulletin. Some vehicles may exhibit wear/peel-off of the leather steering wheel surface causing a poor appearance. This concern may be caused by an insufficient wear resistance of the steering wheel surface.
SA-060-242024-09-04. Service bulletin. Before judging a steering wheel as having premature wear or a defect, first clean the steering wheel as explained in the repair information. Some vehicles may have steering wheel stains caused by chemicals such as hand lotions.
SA-011-242024-03-06. Service bulletin. Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle-specific workshop manual or owner's manual. Services performed outside of Mazda's factory scheduled maintenance are not recommended. These services are unnecessary and create unneeded expenses for your customers.
06-001-242024-02-01. Service bulletin. Some customers may complain about a creaking, knocking, rattle or clunk noise coming from the steering column while driving. A steering column nut loosens due to excessive load when driving on irregular roads. To eliminate this concern, the tightening torque for the steering column nut has been increased.
SA-082-232024-01-06. Service bulletin. Before judging a steering wheel as having premature wear or a defect, first clean the steering wheel as explained in the repair information. Some vehicles may have steering wheel stains caused by chemicals such as hand lotions.
06-004-23a2023-10-05. Service bulletin. Some customers may complain about a creaking noise coming from the steering column while driving. A steering column nut loosens due to excessive load when driving on irregular roads. To eliminate this concern, the tightening torque for the steering column nut has been increased.
06-004-232023-08-03. Service bulletin. Some customers may complain about a creaking noise coming from the steering column while driving. A steering column nut loosens due to excessive load when driving on irregular roads. To eliminate this concern, the tightening torque for the steering column nut has been increased.
06-001-23a2023-05-03. Service bulletin. Some vehicles may exhibit wear/peel-off of the leather steering wheel surface causing a poor appearance. This concern may be caused by an insufficient wear resistance of the steering wheel surface.