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charlesschroeder6

Skoda Octavia Hybrid Automatic Transmission Problem

Hi, I'm having some trouble with my Skoda Octavia Hybrid built in 2022. It has about 127435 km on it. The automatic transmission is acting weird. It feels like the car transmission is slipping, and the shifts are not smooth at all. The transmission indicator light came on a few times, and once the car even went into emergency mode. Could this be a worn out transmission oil issue? I also had some undervoltage problems recently. Could that be related?

Summary of the thread

The Skoda Octavia Hybrid's automatic transmission was experiencing slipping and rough shifting, with the transmission indicator light activating and the car entering emergency mode. These issues were potentially linked to degraded transmission oil and recent undervoltage problems caused by a drained battery. The undervoltage likely affected the electronic control units and solenoids responsible for transmission operation. A workshop diagnosed the problem, changed the transmission oil, and repaired a faulty ground connection, resolving the issue and restoring smooth shifting.

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4 comment(s)

finnroth1

The symptoms you describe certainly point to an issue within the automatic transmission system. The implausible shifting behavior, accompanied by the warning light and emergency mode activation, suggests a potential problem with the transmission's hydraulic control or the transmission oil itself. Given the mileage on your Skoda Octavia Hybrid, it's plausible that the transmission oil has degraded, affecting its viscosity and lubricating properties. Have you checked the transmission oil level or condition recently? Furthermore, could you elaborate on the undervoltage situation you mentioned? Was this a one-time occurrence, or is it a recurring issue? Low voltage can indeed cause erratic behavior in electronically controlled systems like automatic transmissions.

charlesschroeder6 (community.author)

Thanks for the quick reply. I haven't checked the transmission oil myself, to be honest. I'm not really equipped to do that properly. Regarding the undervoltage, the car battery was completely drained a couple of times recently because I left the lights on. Could that really mess with the automatic transmission?

finnroth1

Yes, the drained battery incidents are very likely the culprit. Modern automatic transmissions rely heavily on electronic control units (ECUs) and solenoids to regulate hydraulic fluid pressure and manage gear changes. Undervoltage can disrupt the operation of these components, leading to the symptoms you're experiencing such as a slipping transmission. The ECU might be misinterpreting sensor data or the solenoids might not be actuating correctly due to insufficient voltage. It's advisable to have a qualified technician inspect the transmission, check for any fault codes stored in the ECU, and assess the condition of the transmission oil. A simple transmission oil change might resolve the issue, but it's crucial to rule out any underlying electrical problems. I recommend taking your Octavia to a trusted workshop.

charlesschroeder6 (community.author)

Just wanted to share that the workshop diagnosed the issue. It was indeed related to undervoltage as you suspected. They changed the automatic transmission oil and fixed a faulty ground connection. The car is shifting smoothly again. The final bill was around 240€. Thanks again for your help!

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SKODA

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OCTAVIA