OBD Guide

B1210

Side Collision Detection

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

Symptoms

  • Airbag light is on
  • Restraint system does not activate in a side impact
  • Error B1210 in diagnostic scanner memory

Causes

  • Side impact sensor malfunction
  • Open or short circuit in wiring harness
  • Damage to the sensor connector
  • Restraint control module malfunction

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Test the resistance of the side impact sensor
  3. Check the power and ground of the sensor circuit
  4. Replace faulty sensor or wiring harness
  5. Reset the error and check the system

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