B0101 — Sensor Cleaning Air Blower Actuator B

What Does B0101 Mean?

B0101 is a diagnostic trouble code indicating: Sensor Cleaning Air Blower Actuator B. This code relates to the body electrical system. It has been reported in NHTSA complaints across 1 different vehicle models.

Symptoms of B0101

⚠️ Airbag warning light on

Common Causes

🔍 Wiring or connector problem

Real Owner Reports

From NHTSA complaint database — actual owner descriptions.

"2005 SIENNA, SRS AIRBAG LIGHT CAME ON WHILE DRIVING. VEHICLE HAS NOT BEEN INVOLVED IN A CRASH. CONNECTORS WERE CHECKED AND WERE SECURE. RAN SCAN ON SRS WITH INNOVA 3150 AND RECEIVED ERROR CODE B0101 "OPEN IN D SQUIB CIRCUIT". AFTER RESEARCHING ONLINE, IT SEEMS TO BE A COMMON PROBLEM IN THE 2005 "
— Toyota Sienna owner, 10/16/2015

Source: NHTSA Complaints Database

Most Reported Vehicles for B0101

Based on NHTSA owner complaint data.

#	Vehicle	Reports
1	TOYOTA SIENNA

Frequently Asked Questions

Can I drive with this code?

It depends on the severity. If the vehicle runs normally, short trips are usually OK. If you notice performance issues, drivability problems, or warning lights beyond the check engine light, get it checked soon.

Will this code clear itself?

Some codes clear automatically after the underlying issue is fixed and several drive cycles pass. But the root cause must be addressed first.

How do I find the exact cause?

A code alone doesn't pinpoint the failed part. You need a diagnostic scan ($50-150 at most shops) that reads freeze frame data and live sensor readings to identify the specific component.

What To Do Next

Possible Fixes

🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
🔧 Inspect wiring harness and connectors for damage, corrosion, or loose connections
🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

B0101: Sensor Cleaning Air Blower Actuator B