transmission problems

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Nov 16, 2012 | 11:51 AM

chewy3247

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transmission problems

I have a 99 a4 it won't move. It doesnt feel like it even goes into gear exept reverse .reverse works.if I put it in manual shift,it just goes to drive not first. The ok light never comes on.If I pull out the maf sensor ,it will go into limp mode and then it will move. On vag com I pull codes 1602 suplly voltage low
1624 mil request
0102 maf circuit low input
1857 load signal error
27-00 brake light switchtransmission problems

Nov 16, 2012 | 12:28 PM

GTA_Driver

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Joined: Aug 2004

Posts: 3,277

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From: Toronto

The codes tell you to scan the transmission control module.

Also, it's not clear, but is your brake light switch not working? That one can cause lots of issues, including not shifting into gear. Replace.

And scan the TCU.

Nov 16, 2012 | 01:26 PM

chewy3247

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The brake light switch code was pull off the tcm. I know what the codes mean, I just didnt know if the brake swith light would make it not go into gear or not.it will pull forward I little then nothing.plus with it not going into first, im wondering if it could be a sensor

Nov 17, 2012 | 07:18 PM

Prospeeder

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Joined: Aug 2011

Posts: 2,369

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From: Washington

Yikes sounds almost like its really really low on fluid. Scan for codes in TCU first. And the brake light switch will NOT cause a no move issue with the transmission. Really for no movement at all in forward gears is like low fluid, or a mechanical failure with the 1st gear clutches.