OBD Guide

B1145

Right Side Curtain Air Bag Module Open

B1145 is an OBD-II diagnostic trouble code meaning: Right Side Curtain Air Bag Module Open. Common causes: broken or damaged wiring harness to the right curtain, malfunction of the squib in the curtain module. Estimated repair cost: $56–167.

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

Symptoms

  • The SRS/airbag indicator on the dashboard is on
  • Lack of reaction of the right side curtain in an accident
  • Security error message on display

Causes

  • Broken or damaged wiring harness to the right curtain
  • Malfunction of the squib in the curtain module
  • Poor contact in system connectors
  • Damage to the side curtain module
  • Problems with the SRS control unit

How to Fix

  1. Diagnose the SRS system with a scanner
  2. Visually check the integrity of the wiring harness
  3. Check the resistance of the curtain squib
  4. Inspect connectors for corrosion and damage
  5. If necessary, replace the curtain module or harness

Related codes

FAQ

What does the B1145 code mean?

B1145 is an OBD-II diagnostic trouble code that indicates: Right Side Curtain Air Bag Module Open

What causes a B1145 error code?

The most common causes of B1145 include: Broken or damaged wiring harness to the right curtain; Malfunction of the squib in the curtain module; Poor contact in system connectors; Damage to the side curtain module.

How do I fix a B1145 diagnostic trouble code?

To fix B1145: Diagnose the SRS system with a scanner. Visually check the integrity of the wiring harness. Check the resistance of the curtain squib. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1145?

Do not drive — repair immediately

How much does it cost to fix B1145?

The estimated repair cost for B1145 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat