OBD Guide

B1998

Passenger Side Side Mount Airbag Circuit Open

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$111–333 (est.)

Symptoms

  • The SRS light on the dashboard is on
  • Error message in diagnostic scanner
  • The front passenger airbag may not deploy in an accident.

Causes

  • Broken or damaged wiring harness
  • Corrosion or poor contact in connectors
  • Airbag squib malfunction
  • Airbag damage
  • SRS controller malfunction (rare)

How to Fix

  1. Diagnostics using an OBD-II scanner to confirm the code
  2. Visual inspection of the wiring harness and connectors in the side airbag area
  3. Checking the airbag circuit resistance
  4. Repairing or replacing damaged wires or connectors
  5. Replacing a faulty airbag or squib if necessary
  6. Resetting the error and rechecking the SRS system

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