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  #49  
Old 02-25-2014, 08:55 AM
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The light went off by itself no codes :/
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  #50  
Old 02-25-2014, 09:25 AM
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Re: transmission solenoid pack problems

If it goes into limp mode, but the TCM didnīt store any fault code, then it seems that the TCM has a problem.
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  #51  
Old 02-25-2014, 09:40 AM
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P0750 p0765 solenoid code again. Its gotta be something else causeing it.
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Old 02-25-2014, 01:05 PM
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replace the torque converter?

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Old 02-25-2014, 01:13 PM
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I don't know if it would help when its an electrical issue
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Old 02-25-2014, 01:15 PM
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Re: transmission solenoid pack problems

The P0750 you had already before (L/R solenoid/circuit), but the P0765 is new (UD solenoid/circuit.)
The UD solenoid is used for 1st, 2nd, 2nd prime and 3rd gear.
I would really suspect some wiring problem or the TCM itself. Remove the connector from the TCM and from the solenoid block and measure each wire for short to ground ( or at least the ones used for the L/R and UD solenoids). The resistance should be infinite or at least several mega Ohms. If all ok, measure the wires also for continuity (so 0 Ohm or lower then a few Ohms max.)
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  #55  
Old 02-25-2014, 01:20 PM
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Re: transmission solenoid pack problems

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Originally Posted by hoffmanestates View Post
replace the torque converter?

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If you would come with any argumentation to why changing the torque converter, it maybe could make any sense. These two codes are for electrical signals not sensed by the TCM at the moment of changing a gear. I do not see any connection with it to the torque converter.
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  #56  
Old 02-25-2014, 02:21 PM
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Re: transmission solenoid pack problems

frango how would you go about checking these wires? complete Removal? or just check ends with a meter somhow?
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Old 02-25-2014, 02:27 PM
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Re: transmission solenoid pack problems

im not very sharp when it comes to wiring sorry if my questions seems odd.
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Old 02-25-2014, 05:08 PM
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Just for the heck of it I put another TCM from another in it didn't cost me anything I have a friend that runs a junk yard but nothing changed when I did it. Same limp mode.
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Old 02-25-2014, 06:57 PM
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Quote:
Originally Posted by Frango100 View Post
If you would come with any argumentation to why changing the torque converter, it maybe could make any sense. These two codes are for electrical signals not sensed by the TCM at the moment of changing a gear. I do not see any connection with it to the torque converter.
well when we came to figure my o.d wasn't engaging, the solenoid and t.c were to be replaced. so thinking same possibly would go here to.

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Old 02-25-2014, 06:59 PM
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Quote:
Originally Posted by wootdiddy View Post
frango how would you go about checking these wires? complete Removal? or just check ends with a meter somhow?
continuity test would be 2 man job possibly. disconnect harness at tcm and solenoid pack and ohm them out from one connector to another, reading of 0.2-0.3 is good. if you get infinite or no reading then a broken or corroded wire is internally suspected

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