P0740 vw

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While engine trouble codes are somewhat well understood these days, automatic transmission codes are still confusing many out there. One of the reasons for this is the lack of uniformity between different transmission systems, which often makes troubleshooting them somewhat tricky. This is a check engine light code that could potentially make your vehicle difficult, or impossible to drive altogether. The P code means that your transmission control module, the computer tasked with controlling your automatic transmission, has registered a problem with the torque converter clutch circuit. In other words, your torque converter is not functioning normally, and the cause is most likely a mechanical issue of some sort.

P0740 vw

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. The code is still pending and isnt official but i fear it will be as its a new issue that arous. First time i seen it. Also i have a code for evaporative emission control system malfunction that just came up recently. The system hasnt finished testing the secondairy air yet so it very well may come back up too but it may not, as ive never had a problem with this either. All the sudden in the past month a bunch of codes have been popping up with these 3 being the latest. I fixed the issue with everything else so they are gone but so far i have 2 new ones, one of which is pending and another one i am awaiting the arrival of. But where should i start looking with the torque converter clutch circuit and where should i start looking on the evap issue? Timing chain is past due, i can hear the chain slack from 20 feet away.

More importantly, the presence of any other errors can point you in p0740 vw diagnostic direction that you may not have thought of on your own.

Log in. Sign up. Home Forums New Beetle 1. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Anybody know what this means in terms of a repair. Symptoms sometimes appear while driving on highway and accelerating engine rpms go up with no increase in vehicle speed.

No matter how much experience you have working with cars, the Check Engine Light always causes a moment of fear. In this guide, we explain the meaning of the P DTC. We look at some common symptoms and show you what might be causing the problem. If you want to diagnose it yourself, we have some helpful steps to get you started later in the article. The P trouble code indicates that the Powertrain Control Module PCM detected an abnormal reading from the torque converter clutch circuit. Usually, the PCM goes through numerous checks and the reading needs to be abnormal for a specified amount of time before the light comes on. This code is considered generic and universal. The most obvious symptom will be the Check Engine Light. Along with this, you may notice several transmission or engine performance problems. Here are some to look out for.

P0740 vw

This is one of the most frequent OBD2 trouble codes. Read the full article below to know what it means, how to fix it, and what other codes may show related to it. This code shows that there is a malfunction with the torque converter clutch circuit. The electrical control unit has detected a problem with the circuit controlling the torque converter clutch solenoid. The make and model of the vehicle can have an impact on the ways that the diagnostic and repair process should be performed. This means that the specific instructions from the manufacturer of the vehicle may have to be referenced.

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David, Please clarify. Problem is this pressure can also leak at other areas in the trans, like the stator, pump or the converter itself. Then again, if the clutch fails to activate, you could experience a transmission fluid over-temperature condition as the presence of a clutch serves to cool the AT fluid inside the torque converter. Either the shutter or the piston is inoperable. The P code means that your transmission control module, the computer tasked with controlling your automatic transmission, has registered a problem with the torque converter clutch circuit. Unfortunately, that wasn't the case. Fortunately, the less severe issues are by far the most common ones. I fixed the issue with everything else so they are gone but so far i have 2 new ones, one of which is pending and another one i am awaiting the arrival of. Thejarhead 83 Replies. Explore Our Forums. CoolAirVw Vendor.

While engine trouble codes are somewhat well understood these days, automatic transmission codes are still confusing many out there.

It is not a hard job, but a necessary job for most of these car. Plug the device into your car and run a full scan. This is where the problem usually lies. I read that someone mentioned that the first bullet point was a fail-safe system when the transmission isn't working properly. Save my name, email, and website in this browser for the next time I comment. By continuing to use this site, you are consenting to our use of cookies. Please consider creating a new thread. Leave a Reply Cancel reply Your email address will not be published. Learn how your comment data is processed. Talk about modifications, performance and color choices. Once the computer sees the TCC slip it triggers the code and no longer tries appying the torque converter clutch.