What do you mean by "connected"? Your car has dozens of computers that are all connected to each other by two wires called the "data buss". They share information over those wires.
If you're asking if the failure of the Body Control Module, (BCM), another computer, is connected or related to the first failure, most likely not. If updating the software in one computer had an affect on any other computers, you would have had a problem right away, not days later.
Unfortunately, these computers live in an environment that promotes failure, and the insane engineers have seen fit to hang one on every system in the car that never needed a computer before. People demand toys and gimmicks like interior lights that slowly fade out instead of just turning off with a simple switch, dual zone heater systems, and similar things that require computers, but even really simple and reliable things like dash gauges are being run by computer circuits. Computers on cars can provide a lot of useful benefits, but there is also a real lot of inappropriate use of technology that makes the systems unnecessarily complicated and unreliable, and adds a lot to the cost of diagnosis and repair. The cars get worse every year. Be thankful your new computer only costs $900.00. Many cost a lot more.
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Monday, September 30th, 2013 AT 10:04 PM
