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Service ABS, Traction Control, ABS

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Old Feb 17, 2012 | 08:02 AM
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Default Service ABS, Traction Control, ABS

This is the second time in four months. The first was a bad right front sensor. This time, it's not showing any codes. Four days now at the Chevrolet Dealer, with no luck.
Any ideas?
Thanks

That should be titled Service ABS, Traction Control, Acrive Handling.
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Old Feb 17, 2012 | 09:27 AM
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If the light is on, there ARE codes.
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Old Feb 17, 2012 | 09:47 AM
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Originally Posted by dougbfresh
If the light is on, there ARE codes.
The Chevy dealer said they are not getting any codes, this time. They did when it happened four months ago.
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Old Feb 17, 2012 | 09:55 AM
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Originally Posted by Tom/99
The Chevy dealer said they are not getting any codes, this time. They did when it happened four months ago.
You can look for yourself from the dash.
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Old Feb 17, 2012 | 01:50 PM
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Originally Posted by dougbfresh
You can look for yourself from the dash.
There are no codes showing.
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Old Feb 17, 2012 | 04:24 PM
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TOM

When you see the " Service ABS, Traction Control, Acrive Handling " message appear,, "without turning off the IGNITION,, press RESET to clear the messages from the DIC and then go directly into the Code Reading routene. When you see those messages,, theres a DTC set !!!!!

When you TURN OFF THE IGNITION,,, you clear the some of the EBTCM DTCs When you turn the ignition ON, that module does a SELF CHECK and a SWPS self centering routene "WARMING UP!"

You need to read the DTCs before you turn the ignition OFF.

Hope this helps.

Post what you find.

Bill
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Old Feb 17, 2012 | 04:49 PM
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There are still no codes. That's the problem. I can't get any codes, nor can the Chevy dealer.
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Old Feb 18, 2012 | 07:39 AM
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Mine is doing the same thing right now. I pulled the codes and it gave me C1214. Which is related to the ECBM or the BPMV according to the service manual. I'm hoping it's just a lose connection to one of these.
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Old Feb 18, 2012 | 08:27 AM
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Driver's side door wiring. This drove me nuts for about a year. Bill has a good write up on here. Do a search on exactly your title. You should be able to find lots of threads. Check battery voltage too, but I found my problem to be in wiring. Good Luck
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Old Feb 18, 2012 | 03:34 PM
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Originally Posted by jac1979
Mine is doing the same thing right now. I pulled the codes and it gave me C1214. Which is related to the ECBM or the BPMV according to the service manual. I'm hoping it's just a lose connection to one of these.
1214 is normally a BAD power relay inside the EBTCM.. For your 02 its as easy as removing the EBTCM module and sending it in to one of the people who fix them. Anywhere from $100 to $150.

EBTCM & BPMV


EBTCM Seperated:








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Old Feb 18, 2012 | 05:56 PM
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Originally Posted by jac1979
Mine is doing the same thing right now. I pulled the codes and it gave me C1214. Which is related to the ECBM or the BPMV according to the service manual. I'm hoping it's just a lose connection to one of these.
It isn't necessarily an either or. If you read the procedure it tells you to test for certain conditions and if they are found you replace both of the modules. You can get the EBCM repaired and it will work for a short time with a BPMV that needs to be replaced but it will eventually fail if the BPMV isn't replaced.

Bill
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