OBD Guide

B0102

Sensor Cleaning Air Blower Actuator A Control

B0102 is an OBD-II diagnostic trouble code meaning: Sensor Cleaning Air Blower Actuator A Control. Common causes: open or short circuit in wiring harness, cleaner control relay malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced efficiency of the sensor cleaning system
  • There may be problems with the operation of other systems that depend on the cleanliness of the sensors

Causes

  • Open or short circuit in wiring harness
  • Cleaner control relay malfunction
  • Air pump (actuator) failure
  • Problems with the control unit
  • Corrosion of contacts or connectors

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Check the operation of the control relay
  3. Test the air pump
  4. Check power and ground in the circuit
  5. If necessary, replace faulty components
  6. Reset the error and check if it returns

Related codes

Error B0102 by Vehicle Brand

FAQ

What does the B0102 code mean?

B0102 is an OBD-II diagnostic trouble code that indicates: Sensor Cleaning Air Blower Actuator A Control

What causes a B0102 error code?

The most common causes of B0102 include: Open or short circuit in wiring harness; Cleaner control relay malfunction; Air pump (actuator) failure; Problems with the control unit.

How do I fix a B0102 diagnostic trouble code?

To fix B0102: Check the integrity of the wiring harness and connectors. Check the operation of the control relay. Test the air pump. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0102?

Limited driving only, diagnose soon

How much does it cost to fix B0102?

The estimated repair cost for B0102 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat