OBD Guide

B1612

Lost Communication With Front Airbag Sensor Right

B1612 is an OBD-II diagnostic trouble code meaning: Lost Communication With Front Airbag Sensor Right. Common causes: broken or damaged wiring harness to the sensor, right airbag sensor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Airbag light is on
  • The SRS system may not work in an accident.
  • Error B1612 is stored in the control unit memory

Causes

  • Broken or damaged wiring harness to the sensor
  • Right airbag sensor malfunction
  • Poor contact in the sensor connector
  • Problems with power or grounding of the sensor
  • SRS control unit malfunction

How to Fix

  1. Check the integrity of the wiring harness to the sensor
  2. Inspect the sensor connector for corrosion or damage.
  3. Check the power supply and grounding of the sensor
  4. Replace the sensor if it is faulty
  5. Reset the error and check the system

Related codes

FAQ

What does the B1612 code mean?

B1612 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Front Airbag Sensor Right

What causes a B1612 error code?

The most common causes of B1612 include: Broken or damaged wiring harness to the sensor; Right airbag sensor malfunction; Poor contact in the sensor connector; Problems with power or grounding of the sensor.

How do I fix a B1612 diagnostic trouble code?

To fix B1612: Check the integrity of the wiring harness to the sensor. Inspect the sensor connector for corrosion or damage.. Check the power supply and grounding of the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1612?

Do not drive — repair immediately

How much does it cost to fix B1612?

The estimated repair cost for B1612 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat