If the body control module (BCM) or the LF control unit (LFU) has been replaced and configuration has been...
Mazda technical service bulletin 09-035-19-3637 for 2019 Mazda MAZDA3.
- Bulletin number
- 09-035-19-3637
- Component
- Latches/locks/linkages
- Summary
- If the body control module (BCM) or the LF control unit (LFU) has been replaced and configuration has been performed, communication between the BCM and the LFU may not work properly due to a difference of the software level. Symptoms: If the BCM has been replaced: Without a remote transmitter - the door lock switch at the liftgate will not lock doors, With a remote transmitter - the door lock switch at the liftgate will lock the doors even when the front or rear door(s) are opened, If the LFU has been replaced: Without a remote transmitter - the door lock switch at the liftgate will lock the doors with the answer back sound.
Vehicles covered
- Mazda MAZDA3 2019 2019
VIN decoder
See the problems and recalls for an exact car
Buying a used Mazda MAZDA3?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history