Transmission control sensor an gear ratio incorrect codes

2006 CHEVROLET SILVERADO
167,000 MILES • 6.6L • V8 • TURBO • 4WD • AUTOMATIC
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BARNEY90
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I have a 2006 duramax with the 6 speed auto allison transmission.
We have replaced the transmission control sensor already but when I'm driving
It will act like the transmission is slipping and the check engine light come on the codes
That come up are p0700 and p0735? I can reset them and it runs fine for a few miles then
Dose it again but the light don't come on everytime?
Nov 28, 2015 at 6:34 PM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
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  • ASE Certified Mechanic
I would start by changing the oil/filter in the trans and inspect the wire harness inside the trans very carefully. it is a common failure


Roy
Nov 29, 2015 at 6:40 AM
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BARNEY90
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Ok thank you. I've been told it's the wiring harness. Another ? Is if the harness is bad will there be transmission fluid in the plug coming out of the transmission?
Nov 29, 2015 at 3:33 PM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
yes, that is correct

Roy
Nov 29, 2015 at 3:34 PM
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