Quote:
Originally Posted by JimIsbell
I dont know the drain on the 12V battery from the normal systems on the car, but I recently drove 450 miles in 8 hours with the IMA light on the whole trip and yet that evening I still had headlights for another 20 miles. The IMA light was lit so I assume the IMA was disabled, but the switch on the battery was NOT disabled.
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A P1447 error will not stop the car from charging the 12V battery. It's more of an informational error. It's saying "this HV battery is useless and I'm not going to try to charge or use it". A P1449 error will shut down the DC-DC converter because it cannot safely dissipate the heat (a cell is overheating).
