billy1969

iam having problems with my trans. it is giving me the codes of p0740 p0785 p1860 can any one tell me what they are and how to fix them

MT-2500

740 = TCC solenoid or circuit problem.
785 = 3-2 shift solenoid or circuit problem.
1860 = TCC PWM solenoid or circuit problem.
First check the fuse and then the wiring to them.
Here is a PDF link for the test on code 785.
http://members.troublecodes.net/crunch/Blazer.pdf
Go threw it and see what shows up and post back results.
Also welcome to AF on your first post.
MT

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Remember proper testing gives us the answer to many problems.
MT