Code B333, Loss Of Sir Data: Notes
Code B333 will set if communication between DERM (SIR controller) and BCM is lost. If code B333 is set, ELECTRICAL PROBLEM and INFLATABLE RESTRAINT telltales will be lit.
NOTE:
Test numbers refer to numbers on diagnostic chart.
Test Number 1) Checks to see if other data line components are experiencing communications problems.
Test Number 2) Checks status of data line at compass module. Normal data line voltage is between .1 and 4.5 volts.