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December 10, 2015 Service bulletin

BSM off indicator on with DTC U1A4B:97 or U3000:97. some vehicles with blind spot monitoring (BSM) may...

Mazda technical service bulletin 15-002/15 for 2016 Mazda MX-5.

Bulletin number
15-002/15
Component
Electrical system
Summary
Bsm off indicator on with dtc u1a4b:97 or u3000:97. Some vehicles with blind spot monitoring (bsm) may experience the following conditions (similar to when the bsm control modules detect dirt on rear bumpers surface): bsm turns "off" and bsm off indicator turns "on" in the instrument cluster while driving; bsm will not turn on again during drive cycle; after cycling, ignition switch off and on again, bsm operates normally; dtc u1a4b:97 or u3000:97 is stored in memory.

Owners of these vehicles have filed 4 complaints in the electrical category.

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