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Discussion Starter · #1 ·
AT check light flashes 16 times indicating the tcm is not receiving a engine speed signal not sure where to start or what wires or connectors I should inspect for damage any info helps.


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AT check light flashes 16 times indicating the tcm is not receiving a engine speed signal not sure where to start or what wires or connectors I should inspect for damage any info helps.


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What year is your coupe? Also, are there any engine codes present?
 

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Discussion Starter · #6 ·
Now I’m trying to figure out what cable supplies the crank signal to the tcm


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If you can find out which harness goes from the ecu to the tcm and locate the diagnostic algorithm from alldata or a factory service manual... otherwise, this is going to be a heartbreaking problem to try to figure out.
 

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Find an algorithm if possible and follow it exactly. Those things are written with the engineers and are virtually never wrong.
 

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Discussion Starter · #14 ·
Nah couldn’t find any thing I think I’m just gonna start tearing apart the harness tomorrow and see if there anything that looks wrong


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