B4000 SE Regular Cab 4WD V6-4.0L OHV (1999)
Generic Electronic Module (GEM): Service and Repair
CAUTION:
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Electronic modules are sensitive to electrical charges. If exposed to these charges, damage may result.
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Prior to removal of the module, it Is necessary to upload module configuration information to the NGS Tester. This Information needs to be
downloaded into the new module once Installed. For additional information, refer to MODULE CONFIGURATION PRINCIPLES OF
OPERATION.
1. Disconnect the negative battery cable.
2. Remove the audio unit.
3. Remove the center trim finish panel.
4. Remove the GEM/CTM retaining screw (1).
5. Remove the electrical connectors (up to four) (2).
6. Remove the GEM/CTM (3).
CAUTION: Once the new module is installed, it is necessary to download the module configuration information from the NGS Tester into the
new module. For additional information refer to 09-01H MODULE CONFIGURATION PRINCIPLES OF OPERATION, page 09-01H-28.
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 10 miles (16 km) or more to relearn the strategy.
7. Install the reverse order of the removal.
Tightening Torque
1.6 - 2 N.m(16.3 - 20 kg.cm, 9 - 18 in.lb)
