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2001 GMC Sierra 250...
 
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2001 GMC Sierra 2500HD

  

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Hey Scotty I got a 2001 GMC Sierra 2500 HD 6.6 diesel turbo I was driving and code p0700. Came up no other codes with it what could it be ?


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some causes are

  • The faulty transmission control module
  • Transmission valve body fault
  • Shift solenoid issues
  • Open or short in the wiring harness

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