B1000: owner reports and bulletins

Body. We haven't written the explanation for this code yet. Below is what owners and manufacturers have filed with NHTSA.

Got B1000 on your scanner? Tell the mechanic your year, make, model and any symptoms and you'll get the likely cause and what to check first. Ask about this code.

What owners report to NHTSA

6 complaints filed with NHTSA mention B1000, 6 of them since 2015, across 6 different models. The component owners most often filed it under: air bags.

Manufacturer service bulletins that name B1000

38 technical service bulletins and manufacturer communications filed with NHTSA mention B1000, from 14 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • CHEVROLET ASTRO (2000, 2001, 2002, 2003), bulletin 10094888: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THE STEPS NEEDED TO DIAGNOSE AND REPAIR THE VEHICLES THAT MAY HAVE UNWANTED OR PHANTOM PHONE CALLS. TECHNICIAN WILL NEED TO DETERMINE WHAT…
  • BUICK CASCADA (2016, 2017, 2000, 2001), bulletin 10113436: This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what…
  • CADILLAC ATS (2013, 2014, 2015, 2016), bulletin 10113436: This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what…
  • CHEVROLET ALERO EXPORT (2000, 2001, 2002, 2003), bulletin 10113436: This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what…
  • GMC ACADIA (2007, 2008, 2009, 2010), bulletin 10113436: This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what…
  • LEXUS GS 200T (2016, 2017, 2015), bulletin 10132448: TSB: Some 2015 ? 2017 model year NX 200t, NX 300h, and 2016 ? 2017 model year RX 350 and RX 450h vehicles may exhibit an intermittent MIL ?ON? condition with Diagnostic Trouble Code (DTC) B1000 (Center Airbag Sensor Asse…

Sources: NHTSA Office of Defects Investigation complaint database and manufacturer communications file, snapshots September 2026. A complaint or bulletin that mentions a code is a report about that vehicle, not a statement that the code has one cause.