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Originally Posted by Formula413
Can anyone clarify the definition of P1449? I have seen P1449 referred to as "battery pack degradation" and "battery pack overheat". Would repairs for either condition be similar?
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I think P1449 means that inside the battery pack one sticks is overheating during charging compare to the rest of the battery sticks. There are several heat sensors in the battery pack monitoring that. According to Robert you have to take the the HV battery pack out and charge and discharge every single stick individualy. Come back after a week and compare the voltage. The weak ones are the ones that did not discharge much. Replace that one with a new one and you should be good for another 3-5 years.