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I have a 2007 Chevy...
I have a 2007 Chevy 2500 with a duramax diesel and a Allison trans,it's stuck in third gear and I had my mech friend pull a code of e valve body third gear solenoid stuck off! My truck has a min max tuner and it pulled a dt700 code ,just trying to fig out if it's a solenoid ,or control module issue? My 4 x4 wasn't engaging either. Help please thank you trey
Submitted: 3 years ago.Category: Transmissions
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Answered in 30 minutes by:
5/27/2015
Transmission Mechanic: Gary, ASE Certified Technician replied 3 years ago
Gary
Gary, ASE Certified Technician
Category: Transmissions
Satisfied Customers: 18,031
Experience: 25 years GM master tech
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Welcome! My name is ***** ***** I will do my best to assist you with this problem.
can you tell me the code number he pulled out of the TCM ?
the 700 code is just a code that will set in the computer saying there are codes in the TCM
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Customer reply replied 3 years ago
No it was the third gear solenoid stuck off but his computer did not save number?
Transmission Mechanic: Gary, ASE Certified Technician replied 3 years ago
you cant remember the code ?
there are over 50 codes this can set for this issue
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Customer reply replied 3 years ago
Call me(###) ###-####
Transmission Mechanic: Gary, ASE Certified Technician replied 3 years ago
see if you or your friend can remember or re scan it
we really need to know the code number set to find the problem
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Customer reply replied 3 years ago
He is thirty miles away I looked at the snap on scanner and we turned one on and off and the third gears soeilined was off and we could not reset it .cleaed dtc and it stayed off. He said the sol was out .i called him and he said that was the problem,I have a gut feeling it's electrical
Transmission Mechanic: Gary, ASE Certified Technician replied 3 years ago
these issues come down to the solenoids or the TCM or possibly an internal valve body
Trey to nail this down we need 3 things
the code number it set
a scan tool to communicate with the TCM and the PCM
and a multi meter to see if its a control problem or if its the solenoid or inside the valve body
if you disconnect the battery cables for 5 minutes then touch the battery cables together for 2 minutes then reconnect the battery cables and see if it still does this
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Customer reply replied 3 years ago
Ok,my friend is looking for codes as well bbl,ty
Transmission Mechanic: Gary, ASE Certified Technician replied 3 years ago
ok let me know
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