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AGT stops charging at 264 miles

Wannabe2026

Wannabe2026

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Cars
Lucid Air Grand Touring
Hello. So this weeks fun: Plugged our 23 AGT in last night at home. It started to charge fine. About 5 minutes in, it says charging stopped. It’s at about 265 miles. We went out, unplugged, re-plugged. Same thing. Checked circuit box, looks ok. Customer service not open yet,so wondering if anyone has experienced this? Thanks in advance.
 
Wannabe2026 said:
Hello. So this weeks fun: Plugged our 23 AGT in last night at home. It started to charge fine. About 5 minutes in, it says charging stopped. It’s at about 265 miles. We went out, unplugged, re-plugged. Same thing. Checked circuit box, looks ok. Customer service not open yet,so wondering if anyone has experienced this? Thanks in advance.
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Sounds like the beginning of an MPB or drive unit failure.
 
Wannabe2026 said:
Hello. So this weeks fun: Plugged our 23 AGT in last night at home. It started to charge fine. About 5 minutes in, it says charging stopped. It’s at about 265 miles. We went out, unplugged, re-plugged. Same thing. Checked circuit box, looks ok. Customer service not open yet,so wondering if anyone has experienced this? Thanks in advance.
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Can you try charging at a different L2? What charging station are you using?
 
Have you reset your electrical panel circuit breaker? I have not had the problem you describe but frequently have to reset my breaker before charging. I use a Chargepoint system.
 
Wannabe2026 said:
Hello. So this weeks fun: Plugged our 23 AGT in last night at home. It started to charge fine. About 5 minutes in, it says charging stopped. It’s at about 265 miles. We went out, unplugged, re-plugged. Same thing. Checked circuit box, looks ok. Customer service not open yet,so wondering if anyone has experienced this? Thanks in advance.
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Do you have a charging schedule set?
 
Thank you for all replies.
1. Circuit breaker reset- retry same problem
2. We use the 240 charger that came with car. No schedule…
3 . Attempting to reboot car, then will call customer service.
 
Wannabe2026 said:
Thank you for all replies.
1. Circuit breaker reset- retry same problem
2. We use the 240 charger that came with car. No schedule…
3 . Attempting to reboot car, then will call customer service.
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Always best to isolate whether it is the car or the charger. Do you know anybody that has a level two charger you can try?
 
Update:
Customer Service did all their troubleshooting, and planned to send me to service in Riviera Beach. Fortunately, the Service Advisor, Kyle, at Riviera Beach wanted to try one more thing. He had me dial back the amp/hr from 40 to 20. We have a 50 amp circuit for the car charger. This is now allowing the car to charge at about 22 miles/hr. His explanation was that despite our amperage being 50, the car requires higher.
 
Bobby said:
Always best to isolate whether it is the car or the charger. Do you know anybody that has a level two charger you can try?
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Unfortunately, no. We could go to EV America
 
Wannabe2026 said:
Update:
Customer Service did all their troubleshooting, and planned to send me to service in Riviera Beach. Fortunately, the Service Advisor, Kyle, at Riviera Beach wanted to try one more thing. He had me dial back the amp/hr from 40 to 20. We have a 50 amp circuit for the car charger. This is now allowing the car to charge at about 22 miles/hr. His explanation was that despite our amperage being 50, the car requires higher.
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That does not make sense electrically. It is more likely that your 50 amp receptacle is overheating. This could be a fire hazard.

One quick way to tell - charge your car at 40 amps for several minutes (or until charging stops again), then pull the plug of your charging station completely out of the wall socket and carefully feel its prongs. They should be warm, not hot - you should be able to hold them with your fingers.
 
DeaneG said:
That does not make sense electrically. It is more likely that your 50 amp receptacle is overheating. This could be a fire hazard.

One quick way to tell - charge your car at 40 amps for several minutes (or until charging stops again), then pull the plug of your charging station completely out of the wall socket and carefully feel its prongs. They should be warm, not hot - you should be able to hold them with your fingers.
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Agree, having to dial it down from 40 to 20 doesn’t make sense and may just be masking an underlying problem. Were you able to charge at 40 before?

Standard NEMA 14-50 outlets aren’t designed for continuous 40 amps. You need special EV rated outlets. See State of Charge’s recharge rescue video.
 
I have the same problem with my 2023 air touring. Charging stops at L2, after charging 1-2 miles or 5 minutes. After multiple charging start attempts after stopping, it continues charging with no issues. I think this started to happen after getting 2.8.17 update. I have scheduled appointment at service next week
 
Saksak said:
Agree, having to dial it down from 40 to 20 doesn’t make sense and may just be masking an underlying problem. Were you able to charge at 40 before?

Standard NEMA 14-50 outlets aren’t designed for continuous 40 amps. You need special EV rated outlets. See State of Charge’s recharge rescue video.
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Nah, they can run 40amps all day just fine mine have for years. This is just crappy Lucid software.
 
Another Update:
First, thanks!
1. Plugged, unplugged- not hot at all. So not feeling like fire risk
2. Didn’t attempt to charge for days, let car run down, then went to FPL supercharger. Worked great. Charged 75 miles in 15 minutes. No problems
3. Plugged last night, problem started again. Couldn’t even charge at 20.
4. Did an overnight schedule, it stopped.
Will be calling Service this am.
Wondering now if the problem lies with the charging cable.
 
I started getting a weird charging thing as well, the last week or so...it won't go over 24 amps. Same EVSE as before, other vehicle charges at 40 amps (which is the wiring/EVSE rating/breaker) without issues.
 
Wannabe2026 said:
Another Update:
First, thanks!
1. Plugged, unplugged- not hot at all. So not feeling like fire risk
2. Didn’t attempt to charge for days, let car run down, then went to FPL supercharger. Worked great. Charged 75 miles in 15 minutes. No problems
3. Plugged last night, problem started again. Couldn’t even charge at 20.
4. Did an overnight schedule, it stopped.
Will be calling Service this am.
Wondering now if the problem lies with the charging cable.
Click to expand...
I don't pretend to know the specific problem on your Air. Let me share some data from my AGT:
> a week after I took delivery of my AGT in Oct 2022, I notice that it wasn't charging at home, but charges fine at EA fast chargers.
> I called Lucid for service. They sent out a mobile tech. The tech examined my home charging setup, plugged/unplugged my home charger, wiggled a bunch of things, and told me that my NEMA 14-50 receptacle was not up to snuff, and I must replace it with a heavy- duty receptacle. I did all of that, but the problem persisted.
> I took the car into the Scottsdale service center. They looked at it for about 3 days and told me they have to replace the Wubderbox and the battery (yes, the whole battery pack in the car).
> remember this was Oct 2022, not long after Lucid started delivery of the Air.
> Lucid flew a couple of engineers from CA to Scottsdale as the local techs had no experience with replacing the whole battery pack and the Wunderbox. They worked on it for almost two weeks and completed the job. My AGT have worked fine since then.

Similarity with your experience:
> works fine with high power DC charging but doesn't work properly with home (AC) charging. Assuming you have exhaustively checked your NEMA 14-50 installation, the symptom seems to suggest a problem with the Wunderbox.


If your friends/neighbors have an EV you can try charging with your AC charger, do that. If the AC-charges fine on a different EV but not on your Air, but your Air charges fine with DC charging, then, the Wunderbox is the likely suspect.
 
socktucker said:
Nah, they can run 40amps all day just fine mine have for years. This is just crappy Lucid software.
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There are plenty of NEMA 14-15 outlets that are ok, but it’s still always prudent to check as there are a lot of cheap ones that can cause a fire. Many are not designed for the continuous max current load that EV’s demand and it’s a good troubleshooting step.

It’s true we have had a lot of software problems and it’s easy to blame the software. I’m leaning toward @BS8899 Wunderbox theory in this case, with the next step being a service call as the OP is doing.
 
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