I think you may have lost communication with the GEM module. Only dealer can reestablish.
Generic Electronic Module (GEM)
Removal and Installation
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CAUTION: Prior to removal of the module, it is necessary to upload module configuration information to the appropriate diagnostic tool. This information needs to be downloaded into the new module once installed. For additional information, refer to Section 418-01 .
CAUTION: Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage may result.
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Module Controlled Functions
NOTE: Prior to removal of the generic electronic module (GEM), it is necessary to upload module configuration information to the diagnostic tool. This information needs to be downloaded into the new module once installed. For additional information, refer to Section 418-01 .
NOTE: Electronic modules are sensitive to electrical charges. If exposed to these charges, damages may result.
The generic electronic module (GEM) is the only multi-function module on this vehicle.
The GEM constantly monitors its subsystems for concerns. If a concern is found in one of the subsystems, the GEM will record the concern in the form of a diagnostic trouble code (DTC).
The ignition switch position is very important to the GEM functionality Erratic or unexpected GEM functions can often be traced to problems with these GEM inputs.
The GEM controls a variety of systems:
- instrument cluster warning indication and chimes
- interior courtesy lamp control
- automatic headlamp control
- daytime running lamps (DRL)
- wiper and washer (front only)
- heated rear window
- one-touch down power window
- delayed accessory
- power door locks (including SMART, autolocking and luggage compartment lid release)
- remote keyless entry
- perimeter anti-theft
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