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Old 04-02-2013, 08:15 AM
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01 Camaro Dash intermittent

I have a 2001 Camaro LS1. It has had a couple electrical bugs that i've worked through. There is one code that I can't quite crack. The dash lights (ABS, Brake, TCS, Service Eng, Low oil, etc...) randomly come on upon engine start up and will not go off. They (by they, I mean the whole dash warning system) also come on every now and then when I hit a bump in the road while driving. Most of the time I can get them to reset by turning off the car and restarting, only to come on again later down the road. I suspect a cold solder joint somewhere. Would I need to be looking at the PCM/ECU to solve the issue?

BTW: I had a previous issue with a circuit that controlled the windows, radio, and convertible canopy motor. They would all randomly stop working at the same time. With the help of Youtube, I found a video of a guy that tracked it down to the BCM (body control module). Turned out to be a cold solder that would randomly break connection. For anyone having the same issue, check out this video for very detailed instructions on how to repair the cold solder joint on the BCM...
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Old 04-02-2013, 09:45 PM
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back-in-the-day

BITD when we had a wacky elctrical problem we would look for and usually find a ground problem because the car Manuf. used the metal chassis for the electrical ground path.
Now, the ground problem has improved somewhat but now we have all the computer controlled stuff. FWIW It seems that this stuff is controlled by the computer even though there is no reason to do so.
It seems that the old school approach of KISS has been forgotten.
One thing that is true with intermittant electrical problems is a bad connection. This could be a bad solder on a circuit board. Or a loose communication bus connector.
In some cases a scanner can be connected and monitored over time as a car is used and when a problem occurs a code will indicate the problem. Like "communication failure" for example.
This is the future. I hope the Manuf. are up to the task. Not likely we are going BACK-to-the-day.
One quick question-- Are the colleges offering automotive repair grad prgrams?
Yea, that's what I thought.

vicrod
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