shark
Well-Known Member
- First Name
- David
- Joined
- Jul 18, 2021
- Threads
- 20
- Messages
- 247
- Reaction score
- 430
- Location
- Texas
- Vehicles
- Mach E GT
Which app are you using? I can't seem to find 12V Battery SOC in either of my apps (Car Scanner and OBDLink)Using an OBD and good App enables voltage checking without stripping out all the froot/frunk trim.
HV batter should charge 12v battery even when car is off & parked. If not doesn’t it sounds like the 12v battery needs changing if the DC/DC charger is working.
It’s a matter of going back to basics, does the car’s charging system work? are all connections good? if yes then probably battery, but a battery needs fully charging and properly testing with a bit of professional kit
As for healthy charge, mine’s 28 mths @ 68,000 miles old and the App reads……….