Keyless Entry System Description & Operation: Notes
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The keyless entry system is a supplementary vehicle entry device. Radio frequencies or discharged batteries may disable the system.
Keyless entry can operate the following components:
- The door locks
- The interior lamps
- The parking lamps
- The headlamps
- The puddle lamps of equipped)
- The horn
The keyless entry system has the following main components:
- The transmitters
- The remote control door lock receiver (RCDLR)
The RCDLR communicates with the body control module (BCM) through the keyless entry serial data circuit. When you press a button on a transmitter, the transmitter sends a signal to the RCDLR. The RCDLR sends a request to the BCM and the BCM performs the appropriate function.