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now its REALLY 4L80E time, please help

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Old 11-11-2012, 10:54 PM
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Set P2761 to "No error reported" and you will have lock up. Not sure about the generator codes.

EDIT: Disregard this thought you were running the 4L60e tune with the relay mod.

Last edited by black04; 11-14-2012 at 02:15 PM.
Old 11-11-2012, 11:28 PM
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Originally Posted by black04
Set P2761 to "No error reported" and you will have lock up. Not sure about the generator codes.
can u tell me a lil more how to do this? i dont have my truck near me right now but if u tell me the steps iŽll do it first thing tomorow

thank you

Nevermind found it, ill let i know what happends tomorow thank you

Last edited by walledition; 11-11-2012 at 11:45 PM.
Old 11-12-2012, 12:25 AM
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Yup just change it in the drop down list in editor under Engine Diagnostics > DTCs
Old 11-12-2012, 02:47 PM
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well still no lock up, i did what black04 said and now i dont get that DTC but still no lock up

any other ideas?
Old 11-13-2012, 03:34 PM
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update!!!! and this time a good update

these 2 generator codes are there because tuner sent me a 2004 file instead of an 2005, i found out swapping back to my old tune and they where gone, so i turned does codes off and everything seems normal

[PCM] P0622 - Generator F-Terminal Circuit (Pending) (Old) (History) (Current) (Immature)
[PCM] P1637 - Generator L-Terminal Circuit (Pending) (Old) (History) (Current) (Immature)

and about this code:
[PCM] P2761 - Torque Converter Clutch Pressure Control Solenoid Control Circuit/Open (Pending) (Old) (Current) (Immature)

i had changed the beige wire instead of the brown wire in the round connector at the transmission

so i have no codes now and i have lockup

i still have a leak at the round connector (ive been reading its a common problem), iŽll change the harness and i should be ready for the bracket racing this weekend
Old 11-13-2012, 11:21 PM
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went to a transmission shop and bought a used good condition harness, took everything apart to find out the last connector is different on the harness i bought

the harness my transmission came with:
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the harness i bought:
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only one connector is different, iŽll see if i can change it tomorrow

i wonder what the difference is, year i guess but from what year to what year is each conector
Old 11-14-2012, 05:45 AM
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The used harness you bought is an 04 and up harness. The one you originally had is one that can be used in 91-03 units using the correct epc solenoid. With either harness the fix would be to get the correct epc solenoid to match the harness. In your case you will either have to get the correct early harness or add the late epc solenoid.
Old 11-14-2012, 09:27 AM
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Originally Posted by Vince B
The used harness you bought is an 04 and up harness. The one you originally had is one that can be used in 91-03 units using the correct epc solenoid. With either harness the fix would be to get the correct epc solenoid to match the harness. In your case you will either have to get the correct early harness or add the late epc solenoid.
is it easy to change the solenoid?
Old 11-14-2012, 12:43 PM
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Yes its just one bolt. Just make sure to put the new solenoid in with the braket in the same location. Pay close attention to this before removing it and you should be fine.
Old 11-14-2012, 02:44 PM
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Originally Posted by Vince B
Yes its just one bolt. Just make sure to put the new solenoid in with the braket in the same location. Pay close attention to this before removing it and you should be fine.
thank you! i got another harness, iŽll install it tonight and update you


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