reduced engine power
I just had all the grounds and connectors checked and cleaned on my 2001 vette. I am still having trouble with the check engine light,service traction control and reduced engine power coming on when I'm stopped or driving. The latest codes to come up were P1221,P1515,C1278. I'm starting to pull my hair out over this problem. Anyone had this problem or can point me in the right direction. Thanks.
Let me say up front, I'm not a mechanic. Take this for what it's worth. Have you checked your brake system? Here's why I ask. A couple of months ago I got the service traction control light and code as well. Right after that the brake light came on. About 10 minutes later the DIC displayed low brake fluid. I took it in to have it checked and was told the front brakes were shot, the rears were ok. So, new pads and rotors up front and the problem went away. Two months later the same thing happens: service traction control, low brake fluid light. Took it to a different mechanic and he found the master cyclinder needed to be replaced. He did say the brakes were fine all the way around.
So, this could be related to your problem, or it could just be useless info. I hope you get your problem diagnosed and fixed quickly. The things can be quite persnickety sometimes.
Technical Writer for Internet & Print Media
Do you have the factory service manual for 2001?
Originally Posted by vetteguy61
If you do, have you done the diagnostic procedures listed in the FSM for those fault codes?
If you don't have the FSM, buy one. You'll end up with 1) more hair and 2) advice on how to troubleshoot and repair those problems.
Zip Products sells factory service manuals.
Check this thread that I posted in 2006." Electrical problems, Help "
I found that there was water shorting the BCM. I cleaned it up and haven't had any problems since. Also make sure that you clean out the cowl drains, especially the one right behind the engine, its hard to get at, but if it is clogged, water will run over the BCM. you may not even notice it.
Sounds like the problem that I had. It was the plug for the bundle off wires in the passenger door. Male female connector was bad and I had the same codes. Open the door and move the bundle around and you can figure it out.
It's got so it seems to me that the Internet has created a lot more Horses A$$'s than we have Horses!
Founding Member: 10 Corvettes Anonymous
Body control module problem
I had the same problem, car was under ext warr, the dealer replaced the BCM problem is gone, that happened 1 year ago. list price for a bcm is $1160.00 part number is 10304931 labor was $234.00 dealership I saw on this web site sells BCM for $700.00 plus. I paid $100.00.
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