ABS and TC Question?

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Timee

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Hello, I have a 2009 tahoe 5.3 189k. A couple days ago I went to go find out what this engine code was on for at a friends house because he has a tech 2. Before that, there were no ABS light or Traction Control light on until then. Wondering what could have caused this or how to fix this.
 
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j91z28d1

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are you saying the tech 2 caused the check engine light to come on and stay on?

was there. any codes found?
 
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Timee

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are you saying the tech 2 caused the check engine light to come on and stay on?

was there. any codes found?
No I had a cel light on before, after he scanned it the cel was for cat efficiency. There was no abs or traction control light on before and now both lights are on.
 

wjburken

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No I had a cel light on before, after he scanned it the cel was for cat efficiency. There was no abs or traction control light on before and now both lights are on.
Never heard of a scan tool causing CEL.

Does this nefarious Tech 2, or another scan tool that reads ABS codes, show any codes for said dash lights?
 
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Timee

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Never heard of a scan tool causing CEL.

Does this nefarious Tech 2, or another scan tool that reads ABS codes, show any codes for said dash lights?
I should have wrote the codes down but I remember it did say something about the abs disabled on the scan tool. Just drove it today in the middle of my drive home and ABS light turned on and Stailbrake turned off.
 

wjburken

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I should have wrote the codes down but I remember it did say something about the abs disabled on the scan tool. Just drove it today in the middle of my drive home and ABS light turned on and Stailbrake turned off.
My guess is it was pure coincidence in the timing, but stranger things have happened.
 

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