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Body Control Module (BCM) Removal/Installation: ATX

WARNING: This page is about a different car, the 2010 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform the BCM configuration when replacing it. (See BODY CONTROL MODULE (BCM) CONFIGURATION .)
  2. Disconnect the negative battery cable.
  3. Remove the following parts:
    1. Front scuff plate (LH) (See FRONT SCUFF PLATE REMOVAL/INSTALLATION .)
    2. Front side trim (LH) (See FRONT SIDE TRIM REMOVAL/INSTALLATION .)
    3. Upper panel (See UPPER PANEL REMOVAL/INSTALLATION .)
    4. Selector lever knob (See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION .)
    5. Shift panel (See SHIFT PANEL REMOVAL/INSTALLATION .)
    6. Side wall (See SIDE WALL REMOVAL/INSTALLATION .)
    7. Console (See CONSOLE REMOVAL/INSTALLATION .)
  4. Set the hood release lever out of the way. (See HOOD LATCH AND RELEASE LEVER REMOVAL/INSTALLATION .)
  5. Remove the lower panel, (driver-side) (See LOWER PANEL REMOVAL/INSTALLATION .)
  6. Remove the nut shown in the illustration.
    Fig 1: Identifying Body Control Module (BCM) And Nut
    G06733981Courtesy of MAZDA MOTORS CORP.
  7. Pry off the lock device of the clip while pressing the tab in the position shown in the illustration.
    Fig 2: Prying Off Lock Device Of Clip
    G06732666Courtesy of MAZDA MOTORS CORP.
  8. Rotate the clip in the direction of the arrow shown in the illustration.
    Fig 3: Rotating Clip
    G06732667Courtesy of MAZDA MOTORS CORP.
  9. Remove the clip by pulling it in the direction of the arrow shown in the illustration.
    Fig 4: Identifying BCM Bracket And Clip
    G06732668Courtesy of MAZDA MOTORS CORP.
  10. Disconnect the connector shown in the illustration.
    Fig 5: Identifying BCM Connectors
    G06732669Courtesy of MAZDA MOTORS CORP.
  11. While pressing the tab shown in the illustration, pull the bracket in the direction of the arrow and remove it.
  12. Remove the BCM.
  13. Install in the reverse order of removal.
    Fig 6: Pulling BMC Bracket
    G06732670Courtesy of MAZDA MOTORS CORP.
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