OBD Guide

B0101

Sensor Cleaning Air Blower Actuator B

B0101 is an OBD-II diagnostic trouble code meaning: Sensor Cleaning Air Blower Actuator B. Common causes: open or short circuit in wiring harness, malfunction of the solenoid valve (solenoid). Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light is on
  • The passive safety system does not activate in the event of an accident
  • False airbag deployments

Causes

  • Open or short circuit in wiring harness
  • Malfunction of the solenoid valve (solenoid)
  • Damage to the actuator
  • Problems with the airbag control unit

How to Fix

  1. Check wiring harness for damage
  2. Test actuator circuit resistance
  3. Replace faulty solenoid or mechanism
  4. Reset the error and check the system

Related codes

Error B0101 by Vehicle Brand

FAQ

What does the B0101 code mean?

B0101 is an OBD-II diagnostic trouble code that indicates: Sensor Cleaning Air Blower Actuator B

What causes a B0101 error code?

The most common causes of B0101 include: Open or short circuit in wiring harness; Malfunction of the solenoid valve (solenoid); Damage to the actuator; Problems with the airbag control unit.

How do I fix a B0101 diagnostic trouble code?

To fix B0101: Check wiring harness for damage. Test actuator circuit resistance. Replace faulty solenoid or mechanism. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0101?

Do not drive — repair immediately

How much does it cost to fix B0101?

The estimated repair cost for B0101 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat