ok, just trying to sort some annoying things out on my car

ive just read the fault codes and im getting these

B3902 - wrong immobiliser identifier recieved - present

B0015 (02) drivers pre-tensioner circuit low voltage - present

B0084 (o5) Right EFS circuit high voltage (05) - present

U2139 invalid date from CIM - not present

B3901 Wrong environment identifier received (00) not present

B0283 pane brake open circuit (05) present

B2966 driver doorknob circuit open or high voltage (05) present

my alarm is going off randomly, ive joined the plugs on the rear drives windows but still get the alarm going off

my airbag light is on too