B1000Airbag control unit (center airbag sensor) fault

• Toyota/Lexus code · Airbag (SRS)
• Lights a warning lamp

How the car detects it

The center airbag sensor assembly, which is the airbag control unit, found an internal fault. On some 2015-2017 Lexus NX and RX Toyota issued a software update for an intermittent B1000 stored in history. While an airbag fault is stored, the affected airbag or pretensioner may not deploy in a crash. Have it repaired before relying on it. Never probe airbag connectors with a meter: that can fire the airbag.

What you may notice

• SRS (airbag) warning light

Likely causes

• PossibleCenter airbag sensor assembly
• RareSoftware fault on some Lexus models (update available)

Sources

• share.qclt.com › 043005.pdf
• purefjcruiser.com › 034005.pdf
• toyota-club.net › be_srs.htm
• static.nhtsa.gov › MC-10132448-9999.pdf · official document

Backed by an official manufacturer document.

From Obdaryn's Toyota/Lexus pack, exactly as the app shows it, with the public sources above. Guidance only; confirm with a workshop.