A 2003 Passat B51.8T sedan, driving 65,000 kilometers, has a three-year life. The vehicle collided on the front side of the right side in the medium speed, the main and sub-air bags were open, the windshield was damaged, and the driver's front instrument panel was damaged. After the accident repair replacement of the new main, secondary airbags, control module, seat belt tensioner, can be normal coding matching, but the airbag alarm lights are always on, and found that several fault codes can not be cleared.