2012 Mazda Mazdaspeed3 L4-2.3L TurboFACTORY OEM SERVICE PROCEDURE

Body Control Module (BCM) Configuration





BODY CONTROL MODULE (BCM) CONFIGURATION

1. Connect the M-MDS to DLC-2.

Factory service manual diagram





2. After the vehicle is identified, select the following items from the initial screen of the M-MDS.

- When using the IDS (laptop PC)

1 Select "Module Programming".
2 Select "Programmable Module Installation".
3 Select "BCM/GEM".

3. Perform the configuration according to the directions on the screen.

4. Retrieve DTCs by the M-MDS, then verify that there is no DTC present.

- If a DTC(s) is detected, perform the applicable DTC inspection. BCM - DTC Table

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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