B0116: 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 B0116 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

12 complaints filed with NHTSA mention B0116, 4 of them since 2015, across 3 different models. The component owners most often filed it under: air bags.

Most-reported models

VehicleComplaintsModel years reported
TOYOTA SIENNA92005, 2006, 2007

Manufacturer service bulletins that name B0116

2 technical service bulletins and manufacturer communications filed with NHTSA mention B0116, from 1 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • TOYOTA SIENNA (2004, 2005, 2006, 2007), bulletin 10131949: Some 2004 ? 2009 model year Sienna vehicles may exhibit an SRS lamp ?ON? condition with Diagnostic Trouble Code (DTC) B0111 and/or B0116. An updated repair procedure is available to address this condition. Follow the pro…

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.