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46rh transmission issues

Old 11-03-2015, 08:55 PM
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Default 46rh transmission issues

I have the 46rh transmission and am having issues with the overdrive. The overdrive off button wouldn't do anything unless I have my cruise control turned on. I was ok with that, but I wasn't sure why. Now all of a sudden the overdrive off doesn't do anything today. It worked fine this morning, but nothing on my way home. Anyone have this issue or answers as to what could be causing this?
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Old 11-06-2015, 07:39 PM
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Bump.
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Old 11-07-2015, 12:39 AM
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Do you have engine braking on a manual downshift?
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Old 11-07-2015, 06:36 PM
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Yeah
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Old 11-08-2015, 11:12 AM
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In that case the O/D is probably okay and the problem is electrical. That's about the extent of my knowledge.
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Old 11-08-2015, 11:33 AM
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You think possibly a voltage issue? I just found out my alternator is bad.
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Old 11-09-2015, 06:31 AM
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Yes, a drop in system voltage can cause a lot of weird stuff to happen. Even a poor connection from the battery and the PDC or a bad ground can cause odd stuff.
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