bcm

The Body Control Module (BCM) performs the following functions:

Remote Keyless Entry
Universal Theft Deterrent System
PASS-Key II(R)
Audible Warnings
"Fasten Seatbelt" Indicator
"Low Coolant" Indicator Latching
Retained Accessory Power (RAP)
Power Door Locks
Rear Compartment Lid Release
Courtesy Lamp Control
Illuminated Entry
Delayed Interior Lamps

could a bad bcm be the reason my car will crank over but wont start?

if your security light is flashing, or if the bcm is smoked.have the bcm scaned for codes and the pcm.