Posted: Fri Apr 13, 2012 3:10 pm Post subject: Whats wrong with my 2002 Impala?!?!?
I was just on my way out and my car started going crazy! The message center was flashing Open door/trunk, service vehicle(car with wrench) the parking brake light was flashing on/off.(I dont have a parking brake), the doors were unlocking and locking by themselves and the trunk opened by itself and the lights on the radio went off. It was doing all this while I was driving. What the deuce is going on?
I'm guessing this is an electrical problem?
Ok thanks i just took the battery to get it tested. But I think it might be the BCM. So I'll look into that. Is that doable without taking it to a garage, I read somewhere you have to get the BCM programmed.
You need a Tech 2 to do the programming on the new BCM (they can't be taken from the scrapyard as the are a one and done item). This limits you to a dealer or a large independent shop with access to a tech 2. Getting it done at the dealer is around 500 bucks and if you manage to find a shop you could get out for 350.
Protip: If you don't know what you're doing, don't do it.
Ok so I changed the battery last week that seemed to have fixed the problem,until last night. Now everytime I go to start my car I have to use my portable booster. Does this have something to do with the BCM,or is this another problem. I guess I'm gonna go get a Haynes manual and test everything that needs to be tested.
When I had the brakes done the parking brake assembly was seized so I had them remove it,I had never used it anyways.
I guess I'll look into changing the BCM.
I miss the days when all you needed to fix your car was a screw driver,vice grips and duct tape.
I knew for a fact the battery was finished so I didn't think of checking the alternator.
But I just did it and it charges at 14.5V at idle. But as soon as I turn off the car the battery voltage goes down to 11.25V and wont restart unless I boost it.
Well, I ended up getting rid of my Impala. Too many things to fix on it,tranny was done,bunch of little electrical problems and having to add oil every week strated getting annoying.
I ended up giving it as a trade in for a 2012 chevy sonic.
Suprisingly it's a pretty fun car to drive. I just drove it from Montreal to Petawawa,on the way back stopped in Ottawa. Total of about 750km,
It's no Impala but it was a smooth and comfy ride.
I figured I'd get something a little more reliable,since Ive had bad luck with cars.
This is my 13th in 16 years,and my 4 year old was getting tired of pushing.
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