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trans help please (4l60e problem)

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Old 05-03-2009, 06:33 PM
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Default trans help please (4l60e problem)

My car doesnt have 1st or Overdrive. happened upon a start up one day i was leaving work.
It stays in third the whole time unless i manually put it in 2nd. I thought it was the pressure switch, so i dropped the pan, put in a new one...didnt help. so dumping fluid all over myself resulted in nothing. losing my patience. I believe it is just in a limp mode, but it is like that for a reason...
Old 05-03-2009, 06:49 PM
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First you need to scan for code , with limp mode they should be present and limp is ussually and easy fix
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Old 05-03-2009, 07:41 PM
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i was probably doing that as you typed this. ha
and crap...came up with quite a few codes for the trans.
this trans is out of an 02 z28, so idk if that would cause it to throw codes.
the trans has worked perfect for 6 months though.

P0740 - TCC Enable Solenoid Circuit Electrical

P0753 - 1-2 Shift Solenoid Circuit Electrical

P0758 - 2-3 Shift Solenoid Circuit Electrical

P0785 - 3-2 Shift Solenoid Circuit Electrical

Honestly, how can those all go bad at once? The trans worked perfect.
Old 05-03-2009, 08:09 PM
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Check fuses and the harness plug on passengers side of trans , You have lost power to the trans
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Old 05-03-2009, 08:14 PM
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will do, i appreciate the help.
Old 05-03-2009, 09:00 PM
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Your welcome as always
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Old 05-04-2009, 08:49 PM
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harness came unplugged.
thanks again sir.
Old 05-04-2009, 08:55 PM
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That was what I thought and you are welcome
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