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Engineering Explained joining the Lucid Lemon Club

hmp10 said:
We’re over 100 miles down the road in a rental car and got the following message from Lucid:

“After further review with Engineering, it has been determined that the vehicle experienced a rapid power cycle, which registered a fault in the RDU. Once this fault occurred, it caused the vehicle to enter and remain in a limited‑power state for the remainder of the drive cycle until the vehicle completed a full sleep cycle.


The unexpected limited‑power condition is currently under investigation with plans of being resolved in a future software update.


Although this issue is rare and requires a specific sequence of events to occur, please advise the customer if the issue recurs, to perform a vehicle sleep cycle of 10 seconds or more, which should recover the vehicle from this condition. More information on performing a "power cycle" is available in the owners manual (Page 190).”

Unfortunately, Customer Care was not open when this occurred, and the Service Center I called did not advise me to put the car through a sleep cycle. We were pulled over on a rural side road, anyway, with no nearby buildings and a thunderstorm looming.
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So, no faulty chip? Emad lied?
 
There must be something wrong with me because even after all of the negative exposure, sad stories and discouraging videos, I'm still considering getting an Air. I guess I have an "emotional attachment" to the car. It really does seem like a roll of the dice though.
 
Lucid is far from flawless, but part of taking on a car from a start-up company is that you should expect something that is not fully sorted. That is not being a fanboy, that setting realistic expectations. The fallacy of this video series is that it comes from a false premise that Lucid is legacy OEM that needs a public beat down for producing a flawed product. It's not like we have decades of consumer experience and now this Air comes along and is some major departure from what came before it. Lucid has been flawed from the start, which is totally understandable and widely known. This could have been a series that helps set these expectations rather than a full on curb stomp to an already bloody and weakened opponent.
 
tarator said:
So, no faulty chip? Emad lied?
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Or, the software update will accommodate the behavior of the faulty chip so it doesn't throw the error...
 
jbawden said:
Lucid is far from flawless, but part of taking on a car from a start-up company is that you should expect something that is not fully sorted. That is not being a fanboy, that setting realistic expectations. The fallacy of this video series is that it comes from a false premise that Lucid is legacy OEM that needs a public beat down for producing a flawed product. It's not like we have decades of consumer experience and now this Air comes along and is some major departure from what came before it. Lucid has been flawed from the start, which is totally understandable and widely known. This could have been a series that helps set these expectations rather than a full on curb stomp to an already bloody and weakened opponent.
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The video series sets the expectations for the prospective Lucid buyers. If they are fine with faulty cars, they can proceed, if they are not, they are warned.

It will lead to less sales, but less complains. Once Lucid are ready for prime time, the number of negative reviews will decrease, and the sales will increase.
 
tarator said:
So, no faulty chip? Emad lied?
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No, I don’t think he lied. It was him who sent me that message after he got in touch with the Engineering team. (It is a Saturday on Memorial Day weekend, after all.) It’s apparently a rare occurrence that even he might not have front of mind.

However, even if I had known to try a power cycle, I’m not sure I would have continued the trip in that car. We were leaving a metropolitan area and heading into a long stretch of less-developed area with interstate exits fewer and far between, and that looming thunderstorm did soon hit. The car was full of luggage, fishing gear, and camera equipment and, not knowing whether we were dealing with the hardware problem that we had before ( the symptoms were the same), I would not have wanted to risk a recurrence without assistance near by.
 
I’ve been thinking back to what happened last summer in this car, and more details are coming back to me. We were making a similar trip to north Georgia when the car got the same alerts and went into the same power limitation (52 mpg) about 30 minutes south of Atlanta.

Customer Care told us to get off at the next exit to somewhere we could power cycle the car for at least 10 minutes. We did so, and the car returned to normal operation. We continued to Atlanta and got on with our visit. A couple of days later, the afternoon before we were to check out of the hotel, we got a call from Lucid saying Engineering was asking us not to try to get home in the car but instead to drive the car to the Roswell Service Center. We complied and drove home in a rental car.

The car was at Roswell for three weeks during which time the front drive unit was replaced.
 
jbawden said:
Lucid is far from flawless, but part of taking on a car from a start-up company is that you should expect something that is not fully sorted. That is not being a fanboy, that setting realistic expectations. The fallacy of this video series is that it comes from a false premise that Lucid is legacy OEM that needs a public beat down for producing a flawed product. It's not like we have decades of consumer experience and now this Air comes along and is some major departure from what came before it. Lucid has been flawed from the start, which is totally understandable and widely known. This could have been a series that helps set these expectations rather than a full on curb stomp to an already bloody and weakened opponent.
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Their slogan is “Compromise Nothing”, they take full payment for their product, and they do not tell any prospective buyer that they “should expect something that is not fully sorted”.

That is disingenuous and for some reason excuses the company for their failings.
 
tarator said:
So, no faulty chip? Emad lied?
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Faulty chis were a know issue with very early RDU failures. A software fix was used to prevent the situation that would cause a fail. It is not surprising the Emad would suspect a chip fail is the issue.

Please tone down the someone lied rhetoric because it is against forum guidelines.
 
hmp10 said:
We’re sitting at a Buc-ee’s in central Georgia, over 500 miles from home, waiting for an Uber and a tow truck. Stranded for the second time on a road trip in our older Gravity. And again with the same symptoms of a drive unit failure. I may start my own YouTube channel.
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God you really do have the worst luck and/or cars
 
tarator said:
Faulty chip??? This is a complete BS. Are they making these chips in a garage somewhere in Arizona?
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This is the truth. And no, they are supplied by a very well known and respected manufacturer.

tarator said:
So, no faulty chip? Emad lied?
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No.

Please try to read things with less cynicism.
 
tarator said:
Are you expecting him to buy each of these cars, drive it exclusively for a year and then report? He bought an Air. He spoke of it highly when he got it. Then the reality struck.
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Yeah, youtube channels do that for a business. If he's venturing into auto reviews/commentary/influencer subjects, what ever you want to call it, that's exactly what I think he should do.

So fair in his case, the business model seems to have low capital demands:
1-Buy
2-Complain
4-lemon law it back
 
APSenec said:
Yeah, youtube channels do that for a business. If he's venturing into auto reviews/commentary/influencer subjects, what ever you want to call it, that's exactly what I think he should do.

So fair in his case, the business model seems to have low capital demands:
1-Buy
2-Complain
4-lemon law it back
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He is talking about his experience with a car he bought for himself. And it is very useful for people that are on the fence. I personally know a colleague that was planning to buy a Lucid based on his glowing first review of the Air. Now, not so much, and for a good reason.
 
tarator said:
Since you know so much about this, what kind of chips are these faulty chips? What do they do? I am not asking which well known and respected manufacturer produces so many faulty chips.

Thanks!
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The basics of an inverter are control logic, gate driver and SiC MOSFETS. Take you pick on what component may be faulty. SiC is know to fail under certain conditions as well as needing some stress testing to prevent early life fails. Gate drivers and control circuits can put the SiC MOSFET in a dangerous state for fail. Hence, It could be any of these components. I doubt Lucid will tell us which one is the issue.
 
So let me get this straight. The PR brains at Lucid decided to give him a Gravity - which makes the Air look like a highly-functioning stable piece of machinery? And they thought that would go well? Did anyone else see this coming...Lucid desperately needs new leadership and new talent. *facepalm*
 
9point81 said:
Very much a thing many have experienced on ios. We've found that closing the app when done using it prevents the drain. No definitive answer as to why it's happening, but it definitely is.
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I was able to resolve this on my and my partner’s iphones by turning off location services for the Lucid app. It was draining about 30% of our phone batteries each day but now is 1-2%. It was using the GPS in the background constantly it seems.
 
Adnillien said:
The basics of an inverter are control logic, gate driver and SiC MOSFETS. Take you pick on what component may be faulty. SiC is know to fail under certain conditions as well as needing some stress testing to prevent early life fails. Gate drivers and control circuits can put the SiC MOSFET in a dangerous state for fail. Hence, It could be any of these components. I doubt Lucid will tell us which one is the issue.
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Thanks. So it might not be a faulty chip, but wrongly designed circuits? I really doubt that there can be that many faulty chips.
 
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