Help e63 M6 Won't Recognize Key, Won't Start

[DoNmayor]

hello All,

i just picked up a 2007 M6, the car didn't come with a key, so i ordered one from the stealership.

but the car won't recognize the key, i'm getting the key with the diagonal slash error.

i pulled the following codes:

- A0B2 TERMINAL 30e/30L
- 5103 Supply voltage, gearbox
- 93AD Micro-power module no power supply
- A559 Instrumental cluster: power supply switched off
- A392 Emergency speaker, fault


so far i have replaced the battery and checked all the fuses in the glove compartment and trunk.

any help is appreciated.

[Aaronjoh4008]

I'm having the same issue. Did you register your new battery???