When the body control module (BCM) has been replaced or reprogrammed and the software is updated to the...
Mazda technical service bulletin SA-003-20b for 2019-2020 Mazda MAZDA3 and 2020 Mazda CX-30.
- Bulletin number
- SA-003-20b
- Component
- Electrical system
- Summary
- When the body control module (BCM) has been replaced or reprogrammed and the software is updated to the file names shown below, DTC U2050:55-BCM (Activation of remote control not implemented) may be stored in memory without any warning indication for the driver.This is caused by a communication error between the telematics communication unit (TCU) and BCM when the control software in them are not of the version being ready for activation of the connected service.
Owners of these vehicles have filed 19 complaints in the electrical category.
Vehicles covered
- Mazda MAZDA3 2019-2020 20192020
- Mazda CX-30 2020 2020
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