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Sedans Pontiac Grand Am Pontiac Grand Am Service Engine Soon / ABS / Trac Off
101 messages, Last post on Oct 15, 2009 at 5:46 AM
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Replying to: ray80 (Jan 24, 2007 7:51 am) |
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Replying to: joe318948 (Jan 19, 2007 3:01 pm)
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Replying to: catdug (Jan 12, 2007 9:46 pm) |
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i"m new to this site so tell me what can i do besides take it in and be serviced, since late january 2007 abs trac comes on /serv engine /brake well brake goes off,but after 2-6 miles down the road brake comes on, and tires have a roaring soundwhen accelerating but other than that (i know its the wheel right hub) it drives great still when i first got it back in sept 06 checked for recalls and problems before on line excellent condition 98,000 actual miles LryHvr yahoo.com 
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I replaced all four of my wheel hubs, and put new calipers on all four wheels. The car drives fine, but all the lights are still on, with the addition of the red brake light. I have been working on and driving GM vehicles for years, and I have never experienced this problem. I am getting ready to run a full diagnostic check on the entire system of the car. From the engine all the way to the exhaust and everything in between. I will post a message as soon as I find out exactly what the problem is, and how to fix it.
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I ran a check on the system of the car, and I've discovered that the EBCM (electronic brake control module) is what's causing the problem with the lights. The module costs around $600.00 but you might be able to go to a dealer and have the tech reprogram the module. Besides that the only other thing I can come up with is the wheel speed sensors, but that won't cause the red brake light to come on. So I hope this will help anyone out there with problems.
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I have a 99 Grand Am SE and the service engine soon and trac off lights have been on for awhile now. I used a scanner on it and the only thing it told me was the engine was misfiring. I replaced the hubs because I thought the wheel sensors were bad. They weren't because the lights are still on. When the trac off light is on, the engine will rev up and down when I hit the brakes. I took it to a mechanic who did a full body scan and he told me the trac off light was from the body control module and I would have to replace it and have it reprogrammed. Everything I read stated the engine control module needed reprogrammed, nothing about the body control module? Does anyone know for sure which one really needs replaced and reprogrammed? Also, the service engine soon light was said to be a problem with the idle control motor and I needed to replace it. Can the problem with the ecm or bcm be the cause of the idle control motor? I hate to replace all the parts if only one is bad. Has anyone else experienced this? How hard is it to replace the modules? They are in the dash but I'm not sure how easy it will be get to them and replace them. Jen |
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Replying to: jenw (Mar 19, 2007 4:58 pm) |
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Replying to: jenw (Mar 19, 2007 4:58 pm) |
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Replying to: kisbowl (May 14, 2007 2:23 pm) 
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