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  #25  
Old 02-16-2014, 11:01 PM
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OK cool I'll remember I think I'm running out of options really.
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  #26  
Old 02-16-2014, 11:15 PM
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Re: transmission solenoid pack problems

Yeah, i know. The new fault codes you have now indeed point toward a problem with the solenoid pack, im only not completely convinced about the P0750, which is still there.
If you have a multimeter, you could check for continuity and short to ground of the wires between TCM and solenoid pack connectors.
I will attach the schematic in case you want to do so.
Attached Files
File Type: pdf Transmission control 4.7.pdf (150.9 KB, 4 views)
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  #27  
Old 02-16-2014, 11:22 PM
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Could the TCM possibly need a flash upgrade?
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  #28  
Old 02-16-2014, 11:43 PM
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Re: transmission solenoid pack problems

Quote:
Originally Posted by wootdiddy View Post
Could the TCM possibly need a flash upgrade?
Would not expect so. There is something wrong (could be the TCM as well), but even it the latest flash upgrade was not downloaded, it should not come up with the faults you have now.
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  #29  
Old 02-19-2014, 10:52 AM
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I did read somewhere there is a program upgrade for 99-00 to help the final drive know anything on that? Also should be ordering another pack this week will let you know how it goes.
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  #30  
Old 02-19-2014, 12:24 PM
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at this point used trans be cheaper.

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Old 02-19-2014, 01:27 PM
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Quote:
Originally Posted by hoffmanestates View Post
at this point used trans be cheaper.

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Than what?
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  #32  
Old 02-19-2014, 01:45 PM
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Re: transmission solenoid pack problems

Quote:
Originally Posted by wootdiddy View Post
I did read somewhere there is a program upgrade for 99-00 to help the final drive know anything on that? Also should be ordering another pack this week will let you know how it goes.
You probably refer to the attached TSB. Performing this TSB will add the 5th gear ratio to the 99-00 models (this is just a flash of the TCM, nothing changes to the transmission itself. The 45RFE becomes a 5-45RFE)
Attached Files
File Type: pdf tsb_wj_1802501.pdf (24.6 KB, 2 views)
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  #33  
Old 02-19-2014, 01:52 PM
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Yea so better highway mileage maybe?
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  #34  
Old 02-19-2014, 02:32 PM
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Re: transmission solenoid pack problems

Quote:
Originally Posted by wootdiddy View Post
Yea so better highway mileage maybe?
Yes, that was a benefit as well, but it was in fact done because of drone at 45 mph speeds.
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  #35  
Old 02-19-2014, 05:12 PM
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Check your battery and make sure it is good and has a full charge. It surprisingly fixed the tranny limp mode problems on my 05.
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  #36  
Old 02-24-2014, 07:19 PM
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After installing will it take a min to start working?
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