Codes 637 629 626 624 622 621. Please help. 94 f150 5.0. E40d automatic.

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02-26-2017, 01:19 AM

Kyle Coit

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Codes 637 629 626 624 622 621. Please help. 94 f150 5.0. E40d automatic.

So I'm getting codes
637
629
626
624
622
621

transmission in D feel as in 4th. I can shift to 2nd 9n the column. High revving.
looked over connectors and cleaned them all. Two connectors have broke clips so don't snap ight.

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07-01-2022, 08:11 PM

Roadwarrior1

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Codes

I'm getting the same codes on my 94 E350 and same prob. with D have to put it in 2nd for it to move.. struggled to get it up to 45mph. Did you find out any answers?

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07-01-2022, 10:44 PM

Mark Kovalsky

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All of this happens when there is no +12 volt power to the transmission. Check the two red wires on the transmission connector on the passenger's side. I'll bet they do not have +12v.

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07-02-2022, 02:59 AM

Roadwarrior1

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[QUOTE=Mark Kovalsky;20463349]All of this happens when there is no +12 volt power to the transmission. Check the two red wires on the transmission connector on the passenger's side. I'll bet they do not have +12v.[/QUOTe

Thanks i'll check that.

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