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Hans_Schneidi

Panamera's Transmission Drama: Expert Help Needed

Check engine light on

Transmission slips/shifts erratically

Hey everyone, my 2012 Porsche Panamera Diesel (72k km) has been giving me trouble lately. The check engine light popped up, and I'm experiencing some weird transmission behavior, it's shifting oddly and sometimes slips. I suspect it might be the transmission selector, but after a previous sketchy experience with my mechanic, I'm a bit hesitant to go back. Has anyone dealt with similar symptoms in their Panamera? Would love to hear about your experiences and trusted mechanics who actually know their way around these cars. Thanks in advance!

6 comment(s)


ClaudiaRacer

Hey there! I actually had a similar issue with my 2015 Porsche Cayenne Diesel last year. The symptoms you're describing sound really familiar to what I experienced, transmission acting up and that dreaded check engine light. In my case, it turned out to be a damaged cable connection on the selector lever. Had it fixed at the official Porsche service center after my regular mechanic couldn't properly diagnose it. It wasn't a major mechanical issue, but it definitely needed immediate attention to prevent any potential transmission damage. The repair itself took about a day and a half because they had to remove parts of the center console to access the cable system. While they were at it, they also updated the transmission control module software, which helped smooth things out even more. If your symptoms match mine, I'd strongly suggest going to a certified Porsche specialist or dealership for this one. These transmissions are pretty complex, and you want someone who knows exactly what they're doing.

Hans_Schneidi (Author)

Thanks for sharing that! Good to know I'm not the only one dealing with these transmission gremlins. I was actually thinking about heading to the Porsche dealer too since my local guy seems a bit lost with these issues. Just curious, do you remember roughly how much the repair set you back? And has everything been running smoothly since then, or have you noticed any other quirks pop up?

ClaudiaRacer

Hey again! Just wanted to follow up, since I took my Cayenne to the Porsche service center, everything's been running perfectly smooth. The transmission selector issue was completely resolved after they fixed the damaged cable connection. If you're wondering about costs, I ended up paying 365€ for the repair, which included fixing the cable connection on the selector lever. I can totally understand being hesitant about repair costs, but honestly, it was worth every penny to get it done right. My car's been running like a dream since then, no more weird shifting, no warning lights, nothing. It's been about a year now, and I haven't had any other transmission-related issues pop up. Trust me, going to the dealer was definitely the right call in this case. These Porsche transmissions are pretty sophisticated pieces of kit, and you really want someone who knows what they're doing. Hope this helps with your decision! Let me know if you need any other info about my experience, happy to share more details!

Hans_Schneidi (Author)

Wow, really appreciate the detailed follow-up! I bit the bullet and took your advice, went to the Porsche dealer today. You were spot on about the issue! They found a similar problem with the selector cable connection. The estimate was a bit higher than what you paid (around 450€), but I figured it's better to get it fixed properly than risk more damage. Got really lucky actually, they had a cancellation and could fit me in right away. The whole repair took about 6 hours. Just picked up the car an hour ago, and what a difference! The transmission's shifting perfectly now, and that annoying check engine light is finally gone. Thanks again for sharing your experience, really helped me make the right call. So relieved to have this sorted out with a proper fix. Definitely sticking with the dealer for these kinds of issues from now on. Sometimes paying a bit more upfront saves money in the long run!

Tepekoy1991.

Hello Porsche friends, I own a Porsche Panamera 970 Diesel from 2012 and it actually runs well. Only the shifting behavior drives me crazy. Occasionally the gear changes are hard. Sometimes it also slams into gear. Fault memory is empty. Transmission oil incl. flushing was carried out. Unfortunately still the same. Is it possible that the cause is the same? Did you have the same symptoms before the engine control light came on? Greetings from Cologne

(Translated from German)

CarlyMechanic

@Tepekoy1991.

Hello Porsche friends, I own a Porsche Panamera 970 Diesel from 2012 and it actually runs well. Only the shifting behavior drives me crazy. Occasionally the gear changes are hard. Sometimes it also slams into gear. Fault memory is empty. Transmission oil incl. flushing was carried out. Unfortunately still the same. Is it possible that the cause is the same? Did you have the same symptoms before the engine control light came on? Greetings from Cologne

Hello Tepekoy1991, Based on your description, it's possible that you might be experiencing a similar issue. However, it's also important to note that hard shifting can be caused by a variety of factors, not just a faulty selector cable. It could be related to the transmission control module, solenoids, or even the clutch. Since you've already had the transmission oil flushed and the issue persists, I would recommend having a certified Porsche specialist or dealership inspect your vehicle. They have the necessary expertise and diagnostic tools to accurately identify the issue. Please keep us updated on your progress. If you have any further questions, feel free to ask.

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