Is It A Bad Computer?

5/4/17 12:06 PM

What causes problems today might surprise you. Let’s look at a couple of different examples.

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While DTC signal trouble, they do give you a good deal of information on your problem-solving journey.

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In our last blog post we talked about how the solenoid, hydraulic interaction achieves a specific gear and diagnostic tips. We also started off with how the pump is the heartbeat of the transmission. Look inside to read the continuation of this post and its valuable contents inside.

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How solenoid, hydraulic interaction achieves a specific gear and diagnostic tips - inside this article!

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Audi or BMW vehicles, equipped with the ZF5HP-19/ FL/FLA may exhibit a condition of a firm engagement in the Drive position accompanied with a harsh coast-downshift.  Read more inside...

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What Is The VLPS? This is part 3 of 3 and packed with a lot of information.

Ready. Set. Go.

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In our last blog post on the VLPS, we talked about Chrysler introducing this into the 41TE (A604) and 42RLE transmission as early as 2007. Today we will look at the following which is detailed O. E. diagnostic information for each of the following codes...

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Chrysler introduced a Variable Line Pressure Solenoid to the existing 41TE (A604) and 42RLE transmission as early as 2007. The addition of this solenoid includes the use of a transducer to verify line pressure control as feed back to the computer. 41TES and 42RLE-VLP are the new designations for the units equipped with the added solenoid and transducer.

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A 2007 Acura MDX 3.7L V6 using a BYFA 5 speed automatic transmission comes in to your shop sporting a DTC P1744. The definition of this code is as follows: Problem in Shift Control System; Shift Valve E Stuck ON. Many transmissions today refer to solenoids as valves and most do not have an actual valve in the valve body identified by just one letter.

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