OBD Guide

B1023

Passenger A/B Indicator

B1023 is an OBD-II diagnostic trouble code meaning: Passenger A/B Indicator. Common causes: open or short circuit in wiring harness, damaged contacts in connectors. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light flashing or staying on
  • Lack of indicator response when turning on the ignition
  • Error message on the dashboard

Causes

  • Open or short circuit in wiring harness
  • Damaged contacts in connectors
  • Airbag module malfunction
  • Problems with the restraint system control unit

How to Fix

  1. Check wiring harness for damage
  2. Inspect the contacts in the indicator and airbag module connectors
  3. Scan the system for additional errors
  4. If necessary, replace the airbag module or control unit

Related codes

FAQ

What does the B1023 code mean?

B1023 is an OBD-II diagnostic trouble code that indicates: Passenger A/B Indicator

What causes a B1023 error code?

The most common causes of B1023 include: Open or short circuit in wiring harness; Damaged contacts in connectors; Airbag module malfunction; Problems with the restraint system control unit.

How do I fix a B1023 diagnostic trouble code?

To fix B1023: Check wiring harness for damage. Inspect the contacts in the indicator and airbag module connectors. Scan the system for additional errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1023?

Do not drive — repair immediately

How much does it cost to fix B1023?

The estimated repair cost for B1023 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat