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B0101: Sensor Cleaning Air Blower Actuator B

Severity
Low
NHTSA Reports
1
Vehicles Affected
1
System
Powertrain
Last reviewed: Last updated:

Methodology: We combine code standards with complaint and reliability patterns, then review for clear, vehicle-first diagnosis steps.

Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).

Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.

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

Common Causes

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. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

B0100 Sensor Cleaning Air Blower Actuator A B0102 Sensor Cleaning Air Blower Actuator A Control B0103 Sensor Cleaning Air Blower Actuator B Control B0104 Sensor Cleaning Air Blower Actuator A Control Relay B0105 Sensor Cleaning Air Blower Actuator B Control Relay B0106 LIDAR Washer Actuator A B0107 LIDAR Washer Actuator B B0108 LIDAR Washer Actuator C B0109 LIDAR Washer Actuator D B010A Camera Washer Actuator A