mK5 1.6 after diagnostic remote,interior lights & speedo says rA

[Designerbeema]

Hi guys,

Can anyone help me. After scanning my sisters Golf MK5 2007 few things stopped working .
(1)key remote won't lock or unlock the car but works with the switch inside

(2) no interior lights

(3) no power to radio

(4) millage reading missing the first number e.g should be 711223 but reads 11223aF

Can anyone help or advise

Thanks