The module on this truck year is called a "GEM", BCM comes later. The GEM is located behind the radio assembly and is bolted to the IP support bracket, it has 3 large connectors. See photo below.
The following is from Alldata:
>>Prior to removal of module, it is necessary to upload module configuration information to
New Generation STAR (NGS) Tester. This information needs to be downloaded into the new module once installed.
Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage may result<<
then after install:
>>To install, reverse the removal procedure. CAUTION: Once the new module is installed, it is necessary to download the module configuration information from the
New Generation STAR (NGS) Tester into the new module. NOTE: When the
battery is disconnected and reconnected, some abnormal drive symptoms may occur while the vehicle relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 mi) or more to relearn the strategy.
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