Recent content by ForumLeech

Problem solved. I replaced the 12V lead acid battery under the hood and car stopped making noises in garage. Car is five years old and I kept that battery about one year too long. I believe the high voltage traction battery and its support systems were coming on to recharge the 12V battery every...

My current hypothesis is the 12V battery is near the end of its life and is triggering top off charging from the main traction battery which then triggers its own thermal management system. The 12V battery is necessary for starting up the car and seems essential enough to trigger top offs. The...

My 2014 B250e makes noises in the front end of the car while it's in the garage with no key inserted. It starts with a strong click followed by the sound of liquid squirting through tubes and 45 seconds of continuous whirring noise like a small electric motor is running. I understand one of the...

Problem solved. I needed to calibrate the charger to report more accurately. Method: Visit charger’s web interface > System tab > Developer mode > RAPI tab > RAPI command > $SA 220 0 Change the 220 value up or down until 40A is reported.

I’m using a 240V 40A (9.6kW) charger I bought from OpenEVSE in December 2017 and it always charges my car at 9.0kW instead of the 9.6kW the car and this charger are rated for. I already verified the charger’s settings are not the bottle neck and my garage temperature is about 10°C/50°F. I have...