Hi everyone new to Volvo cars Just bought a 2003 80s 2.9 test drove it was good had abs light on and air bag light Battery was dead so i replaced it with i had in another car that was brand new and after i did that all issued started
1 transmission urgent light on and slips on shifting
2 sunroof does not open

has a code read of
tcm-0053 lock up pressure switch
uem-0004 siren comm fault
uem-0005 sun roof comm fault
bcm-0057 power supply to low
car drove great before do i have to reset systems controls

uen-0005