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Smart Junction Box (SJB): Removal

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage may result.
NOTE: Prior to the replacement of the module, it is necessary to upload the module configuration information to a scan tool. This information must be downloaded into the new Smart Junction Box (SJB) after installation. For additional information, refer to GENERAL PROCEDURES . In the event that As-Built data is required (SJB  does not communicate), all Remote Keyless Entry (RKE) devices must be programmed to the new SJB  . A minimum of 2 RKE devices are necessary to complete the configuration and turn off the flashing interior lights. The Tire Pressure Monitoring System (TPMS) functionality is integral to the SJB  .
NOTE: The steps included in the SJB  removal and installation procedure are critical to restoring the vehicle security and tire pressure monitoring systems to normal operation. A new SJB  is delivered in a manufacturing mode with 8 pre-set DTCs related to the TPMS  . To clear the 8 DTCs, successful configuration of the SJB  must occur, followed by successful TPMS  sensor training, and a successful self-test. The 8 pre-set DTCs are as follows:
  • B106D (Tire Pressure Monitor System [TPMS  ] Initiators Not Configured)
  • B2477 (Module Configuration Failure)
  • B2868 (Left Front Tire Pressure Sensor Fault)
  • B2869 (Right Front Tire Pressure Sensor Fault)
  • B2870 (Right Rear Tire Pressure Sensor Fault)
  • B2871 (Left Rear Tire Pressure Sensor Fault)
  • B2A21 (One or More Configuration Files Missing or Corrupt)
  • C2780 (ECU  in Manufacturer Sub-State)
    NOTE: This step is necessary only if the SJB  is being replaced.
  1. Upload the module configuration information from the SJB  . For additional information, refer to GENERAL PROCEDURES .
  2. Remove the transmission selector lever bezel from the floor console finish panel.
  3. Remove the floor console SJB  cover.
  4. Remove the floor console finish panel.
  5. Disconnect the 7 electrical connectors.
  6. Remove the 2 bolts and the SJB  .
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