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Old May 10, 2009 | 10:14 PM
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Default Traction system active

The dic comes on and says "tsa" and the car looses power when I give the car even a small amount of throtle. I can turn off traction control or go to comp mode and this goes traction control problem goes away. This has been happening since I took the car out of storage a couple of weeks ago. So every time I drive the car I have to shut off the traction control.

Anybody got any ideas?
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Old May 10, 2009 | 11:12 PM
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Something is telling the EBTCM that it is experiencing a condition that it is not expecting the car to see. One of the following components is having an issue:

- One of four or multiple wheel speed sensors
- The steering wheel position sensor
- The acceleration or yaw accelerometers
- the EBTCM is bad

Please read and post any DTCs that mey be posted in the DIC

BC
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Old May 11, 2009 | 12:25 PM
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Thanks, Bill. I'll check this out later today.

Paul
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Old May 11, 2009 | 08:53 PM
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Paul

If you don't see any DTCs, check the lateral accelerometer in the passengers foot well. Its under the carpet below the seat. If it got wet, it could be giving you false signals. See if the underlayment under the carpet is wet or damp. Check it fron behind the seat by pulling up the carpet on the back wall and feeling the carpet under the seat.

Bill

Last edited by Bill Curlee; May 11, 2009 at 08:56 PM.
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Old May 11, 2009 | 09:42 PM
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I checked this afternoon and had 2 codes

10PCM--PO332 H C

BO-RFA--U1064 H

I did look up all the codes on Saturday and deleted all the codes. I drove it all weekend and came up with these 2 codes.


Sorry, I had this written butdidn't check back to see that you had been here and gone. Everything is dry as a bone under the carpet.


Paul

Last edited by kart76; May 11, 2009 at 09:57 PM.
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Old May 12, 2009 | 08:11 PM
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Something else maybe I should add after reading some of the other Trac Sys Actv. threads is that I added a line lock and that doesn't work either.I've gone over all the instructions and found nothing wrong. I also bled the brakes after doing this, but maybe I should do it again.

Paul

Last edited by kart76; May 12, 2009 at 08:58 PM.
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Old May 13, 2009 | 04:51 PM
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Anybody got ant answers?
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Old May 13, 2009 | 06:17 PM
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The P-0332 DTC is your knock sensor circuit Have you ever washed your engine?? In any case, you need to check the knock sensors and wiring harness. That causes water to get into the sensor wells and destroys the sensors or floods them out. You have to remove the manifold to access them.

Unless you find a tech II, and read the output of those sensors, your next step will be to replace the EBTCM. It might be worth your time and money to let a service center check out the circuit and read those sensors to see if one of them is causing the issue. The EBTCM is like $600-900 depending on what one you need. DO NOT send it out for repairs. The part of the EBTCM that is bad is NOT repairable or replaceable. The microprocessor in the module is corrupt if all the other sensors check out good.

If you need one call Gene Culley www.gmpartshouse.com He will have the best prices and you can replace it your self.

BC

Last edited by Bill Curlee; May 13, 2009 at 06:23 PM.
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Old May 14, 2009 | 10:44 AM
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I've never washed the engine but I'm the 2nd owner. I'll take it to a service center and have that checked out.

What about the BO-RFA--U1064 H

that came up after I cleared all the codes?

Thanks for your help, Bill

Paul
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Old May 17, 2009 | 11:18 PM
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ttt
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Old May 17, 2009 | 11:32 PM
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Normally not a big deal, I also have them on occasion. From the manual:

DTCs U1016, U1064 and U1096 may be present when scrolling through the onboard diagnostics via the instrument cluster Driver Information Center (DIC).

Recommendation/Instructions:
This is a normal software function as long as the DTCs have a history status upon ignition cycling. No repair attempts should be made
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