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1991 Cadillac DeVille Base 2D Coupe

1991 Cadillac DeVille
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February 9, 2013, 4:29 pm

Charles B
 

Question: What type problem do I have with the computer code PO 741

The service Engine soon light came on and the code is PO741.


February 19, 2013, 9:01 pm

Richard W
Expert Mechanic

You have a tcc soleniod going out. I would check the fluid in the transmission. If full clear the code. drive the car and see if the code comes back. If it does I would have a transmission shop look at it. They mite be able to replace the soleniod with out replaceing the transmission.


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