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Right side of the rear light bar doesn’t work

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Alex26

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Apr 10, 2026
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Cars
Lucid Air
Does anyone know where is located the module that is responsible for the right side of the rear light bar?
It works when you start the car but after a few seconds later it stops working
Any ideas what that might be?
Thank you in advance 🙏
 
Did you get a warning or did you happen to notice when outside the car?
 
Alex26 said:
I got a warning while I was driving
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Well, there we go - a valid warning which was paid attention to by the driver! The system works!!!
 
tmichael said:
Well, there we go - a valid warning which was paid attention to by the driver! The system works!!!
Click to expand...
Not yet - the driver hasn't called service.
 
DeaneG said:
Not yet - the driver hasn't called service.
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I thought one of the selling points of software defined vehicles and sending ALL of our data to the cloud was so the manufacturer could do proactive monitoring and either let you know before something becomes an issue, or at the very least in the event of a sudden failure, automatically trigger some form of communication with the customer to start making arrangements to address the issue?
 
doubletwist said:
I thought one of the selling points of software defined vehicles and sending ALL of our data to the cloud was so the manufacturer could do proactive monitoring and either let you know before something becomes an issue, or at the very least in the event of a sudden failure, automatically trigger some form of communication with the customer to start making arrangements to address the issue?
Click to expand...
Software can't sense every possible hardware failure - only those it can observe.
 
doubletwist said:
I thought one of the selling points of software defined vehicles and sending ALL of our data to the cloud was so the manufacturer could do proactive monitoring and either let you know before something becomes an issue, or at the very least in the event of a sudden failure, automatically trigger some form of communication with the customer to start making arrangements to address the issue?
Click to expand...
That system does work. Lucid service proactively contacted me to advise that I had a bad battery before I had any indication there was a problem and promptly scheduled a loaner and sent a flatbed to transfer my car to a SC for a refurbished battery, Minimal inconvenience.to me.
 
doubletwist said:
Um. We've already established that the driver was warned while driving. So the software knows there's a problem.
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Right, I'd only checked the first post. Maybe the software designer thought that informing the driver of a minor hardware problem would be enough to prompt action.
 
I had this happen, randomly, on the left side of my car. Was running errands, came out and got a "Brake Light" notification / call service that then immediately went away (with nowhere to go to check it had I missed it). Drove home, looked at it, figured out by putting hazards on that somehow my left blinker was out. Cool.

Soft and hard reset did nothing. Called service.

Later that night it came back, and (hopefully) has been on since. Service appointment "moved up" to be early June instead of late June. Not impressive for a one-week old car.
 
I had this issue. It wasn't a problem with the light at all. It was a faulty trunk release switch that's on the same circuit. Replaced the switch and everything was fine. I'm not saying yours is the same problem. Just pointing out that, as previously discussed, multiple components are linked. So it could be a multitude of things
 
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