Restraint System

Diagnostic trouble code B1605 - Control module defective

��:

1. Switch on the ignition and erase the diagnostic trouble code. Switch off the ignition and switch it back on again. Wait for at least 10 seconds with the ignition on.
Check to see if the diagnostic trouble code returns.
If the diagnostic trouble code returns: Try a new SRS control module that is known to work.
If the diagnostic trouble code does not return: No action.

NOTE: The trouble code can have been activated if the voltage supply has been lower than 7 V.