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I have a 2001 Chevy 2500HD diesel LB7 the.

Tiny
CHEVYLB7
  • MEMBER
  • 2001 CHEVROLET TRUCK
  • 182,000 MILES
I have a 2001 chevy 2500HD diesel LB7 the speedometer works, but no odometer or no gear range selector, seems to be stuck in 3rd gear.
I have already replaced the NSBU switch, with no change.
Wednesday, November 14th, 2012 AT 3:14 AM

5 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Dash cluster for the odometer.

Stuck in 3rd? You need to have the trans system checked for any codes and get back to us.

Roy
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Wednesday, November 14th, 2012 AT 3:28 AM
Tiny
CHEVYLB7
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  • 4 POSTS
One code it showed was a po700 if that helps.
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Wednesday, November 14th, 2012 AT 3:44 AM
Tiny
CHEVYLB7
  • MEMBER
  • 4 POSTS
I believe the p0700 was a TCM malfunction.
I can't remember exactly but I believe the TCM showed a p1711 or p0711 of either of these make sense.
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Wednesday, November 14th, 2012 AT 3:48 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Thats a general trans failure. Get a trans shop to check it. It could be wiring, solenoids or internal failure

Roy
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Wednesday, November 14th, 2012 AT 3:48 AM
Tiny
CHEVYLB7
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  • 4 POSTS
Okay, thanks for the help!
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Wednesday, November 14th, 2012 AT 3:52 AM

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