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theresafox79

Lexus LC Hybrid Error Messages

I'm having a strange problem with my 2021 Lexus LC hybrid. At 68134 km, I'm getting random error messages about driving modes, and the error lamps light up sometimes. Also, the audio and navigation systems are failing, and some control units shut down or become unresponsive. The scan tool shows errors stored in the memory. Could this be a serious problem?

4 comment(s)

haraldkoch64

Interesting. I have a LC as well and I experienced something similar. By similar I mean random system failures, especially with the infotainment. Did you notice if it happens more often in certain conditions, like after a car wash or during heavy rain? Or maybe when the temperature changes rapidly? Just trying to narrow it down...

theresafox79 (Author)

Thanks for the reply. I haven't noticed any connection between the errors and things like car washes, rain, or temperature changes. Can you tell me how your issue was fixed, or if you learned anything else about it?

haraldkoch64

Well, I hoped it was something simple. Turns out, the dealer found a loose cable connection to one of the main control units – the BUS system connection. It caused all sorts of weirdness. If you have the same symptoms and are getting error codes, I'd suggest taking it to a good workshop. Is it really worth messing with complex electronics yourself and possibly making things worse?

theresafox79 (Author)

Thanks for sharing your experience and advice. Based on what you said and how serious the problem could be, I'm going to book an appointment with a service center for a full inspection and repair. The error code I got points to a defective cable connection of the control unit (connection to the BUS system) with repair costs estimated at 155€. Thanks again for your help.

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