Principles of Operation

The generic electronic module (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 function. Erratic or unexpected GEM function can often be traced to problems with these GEM inputs.

• interval rear window wiper
• battery saver
• illuminated entry
• headlamp control
• interior lamp control
• power door locks
• remote keyless entry (RKE)
• accessory delay
• door ajar output control