OBD Guide
ENFRDEESPT

B1156

Front Airbag Sensor RH Malfunction

B1156 is an OBD-II diagnostic trouble code meaning: Front Airbag Sensor RH Malfunction. Common causes: right front airbag sensor malfunction, open or shorted wiring harness. 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 safety system does not work in an accident
  • Error B1156 persists after scanning

Causes

  • Right front airbag sensor malfunction
  • Open or shorted wiring harness
  • Contact corrosion
  • Problems with the airbag control unit

How to Fix

  1. Check the integrity of the wiring harness and contacts
  2. Test the sensor using diagnostic equipment
  3. Replace the faulty sensor if necessary
  4. Reset the error and check the system again

Related codes

B1155B1157B1000

FAQ

What does the B1156 code mean?

B1156 is an OBD-II diagnostic trouble code that indicates: Front Airbag Sensor RH Malfunction

What causes a B1156 error code?

The most common causes of B1156 include: Right front airbag sensor malfunction; Open or shorted wiring harness; Contact corrosion; Problems with the airbag control unit.

How do I fix a B1156 diagnostic trouble code?

To fix B1156: Check the integrity of the wiring harness and contacts. Test the sensor using diagnostic equipment. Replace the faulty sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1156?

Do not drive — repair immediately

How much does it cost to fix B1156?

The estimated repair cost for B1156 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat