Mazda CX-9 2016–2018 — technical service bulletin
Bulletin SA-074-17 · NHTSA communication 10129352 · issued Dec 4, 2017
Technical service bulletin
communication type
Electrical System
component
2016–2018
model years
5
vehicle entries
Official summary
If the BSM control module is replaced, Auto Configuration and BSM Radar Test must be performed: 1. Auto Configuration -When the ignition is switched ON, the blind spot monitoring (BSM) reads the vehicle specification information sent via CAN communication from the instrument cluster, and stores the vehicle specification information into the new BSM control module. 2. BSM Radar Test - This test confirms correct BSM module/bracket alignment. The Workshop Manual "BLIND SPOT MONITORING (BSM) RADAR TEST" is incorrect. Mazda is in the process of correcting the error. Perform the following procedure
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.