OBD Guide

B1870

Lamp Air Bag Warning Indicator Circuit Short To Battery

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$33–111 (est.)

Symptoms

  • Airbag light is on
  • The security system does not work (according to the scanner)
  • Possible problems with other passive safety systems

Causes

  • Shorting the lamp power wire to ground
  • Warning lamp fault
  • Wiring harness damage
  • Oxidation of contacts
  • Problems with the airbag control unit

How to Fix

  1. Check the condition of the airbag warning lamp
  2. Inspect the wiring harness for damage
  3. Check contacts in system connectors
  4. Test the indicator circuit with a multimeter
  5. Replace damaged components if necessary

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