HV Battery Fault + Powertrain Malfunction on a MY23 GTPE?

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Wes
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Had this fault a couple week ago when my partner was driving the car. I know this is the HVBJB issue for 2022s, but I had checked my build date and saw it was June 2023 so I thought I was safe. Seemed to confuse the first service center I brought it to as they cleared it, couldn't replicate it, and basically just gave it back. I say the first service center because it happened again this time while I was driving and noticed the 75-80% reduction in power and some really weird regenerative brake behavior. I use 1PD and in the short drive between when the errors happened and home I experienced nonexisted 1PD deceleration, weird pulsed deceleration as though parts of braking per engaging intermittently, and normal 1PD deceleration. It was a 7 minute drive home and I had to just turn it off because in that short time the inconsistency was very annoying.

Anyone experience this? Is this the usual HVBJB or have I found a fresh new hell?
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silverelan

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There should be some fault codes. My guess is that if someone on the forum had your VIN they could check for you via direct message.
 

Jmendoza

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Welcome to the 23 GT HVBJ failure . Mine is getting replaced only 1400 miles.
 
 







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