odd electrical issue
#1
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odd electrical issue
So about 2 months back I bought another 2009 cobalt ss to replace my totaled one. Everything is working great except for one issue I cant seem to find. So any help would be appreciated.
Symptoms are RPD sometimes quits working, Gauges and odometer frequently work and then stop working, AC will no longer blow cold when gauges are not working, Power steering will not work when other symptoms are present.
What was done when I got the car:
1.Looks like the gauges were replaced and I am not sure where they came from. The background is white on them as opposed to black. I pulled them out to make sure everything was connected.
2. Somewhere along the line the stock boost gauge was broken and a couple of staples were jammed in the wire so the car would start. I have replaced the stock boost gauge with my working RPD from the wrecked cobalt
What I have done:
1. Checked ground the wire underneath the steering console. None of it looks like it was touched and the connection seems to be secure and rust free.
2. checked the connection to the gauges. It is secure and the wires look good.
3. took out stereo and hvac and ensured connections were good.
4. Checked for bad fuses
My opinion: Seems to be a ground wire that would cause all those things but I cant seem to find where it could be.
Once more thanks for taking the time to look it over and drop in your 2 cents.
Symptoms are RPD sometimes quits working, Gauges and odometer frequently work and then stop working, AC will no longer blow cold when gauges are not working, Power steering will not work when other symptoms are present.
What was done when I got the car:
1.Looks like the gauges were replaced and I am not sure where they came from. The background is white on them as opposed to black. I pulled them out to make sure everything was connected.
2. Somewhere along the line the stock boost gauge was broken and a couple of staples were jammed in the wire so the car would start. I have replaced the stock boost gauge with my working RPD from the wrecked cobalt
What I have done:
1. Checked ground the wire underneath the steering console. None of it looks like it was touched and the connection seems to be secure and rust free.
2. checked the connection to the gauges. It is secure and the wires look good.
3. took out stereo and hvac and ensured connections were good.
4. Checked for bad fuses
My opinion: Seems to be a ground wire that would cause all those things but I cant seem to find where it could be.
Once more thanks for taking the time to look it over and drop in your 2 cents.
#8
I've replaced several for several different problems in all sorts of cars. It will probably have to be programmed at a dealer. Try unplugging every plug on the bcm and plug all back in after putting a little dielectric grease on plugs. That fixes 60% of them
#9
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my car did this too. it hasn't done it in MONTHS, but seemed to only happen when it was hot outside. I figured it was my BCM as well. Just randomly stopped happening so w/e. Guess i'll find out when it starts getting hot out.
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in an effort to not replace the BCM just yet I tore apart the whole dash looking for some grounds. Alas there were not any so I took the impact to all the grounds I could find. So far the isswue hasn't come back yet but its still abit early to rule it out. Thanks for advice ill report back
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