OBD Guide

B1926

Air Bag Passenger Pressure Switch Circuit Failure

B1926 is an OBD-II diagnostic trouble code meaning: Air Bag Passenger Pressure Switch Circuit Failure. Common causes: open or short circuit in the sensor circuit, pressure sensor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Airbag light is on
  • The SRS system may disable the passenger airbag
  • Possible error messages on the display

Causes

  • Open or short circuit in the sensor circuit
  • Pressure sensor malfunction
  • Wiring harness damage
  • Contact corrosion
  • SRS module malfunction

How to Fix

  1. Visual inspection of the wiring harness and sensor contacts
  2. Checking continuity with a multimeter
  3. Checking the resistance of the pressure sensor
  4. Replace the sensor if necessary
  5. Resetting errors with an OBD-II scanner after repair

Related codes

FAQ

What does the B1926 code mean?

B1926 is an OBD-II diagnostic trouble code that indicates: Air Bag Passenger Pressure Switch Circuit Failure

What causes a B1926 error code?

The most common causes of B1926 include: Open or short circuit in the sensor circuit; Pressure sensor malfunction; Wiring harness damage; Contact corrosion.

How do I fix a B1926 diagnostic trouble code?

To fix B1926: Visual inspection of the wiring harness and sensor contacts. Checking continuity with a multimeter. Checking the resistance of the pressure sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1926?

Limited driving only, diagnose soon

How much does it cost to fix B1926?

The estimated repair cost for B1926 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat