Ranger 4WD V6-3.0L (2008)
Power Distribution Module: Service and Repair
SMART JUNCTION BOX (SJB)
Removal
CAUTION: Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage may result.
NOTE:
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Prior to the replacement of the module, it is necessary to upload the module configuration information into the appropriate scan tool. This
information must be downloaded into the new module after installation.
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The tire pressure monitoring system (TPMS) functionality is integral to the smart junction box (SJB).
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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 7 pre-set DTCs related to the TPMS. To clear the DTCs, successful
configuration of the SJB must occur, followed by successful TPMS sensor training, and a successful self-test, including clearing of the DTCs. The
DTCs are as follows:
