OBD Guide

B1148

Right Side Curtain Air Bag Module Short

B1148 is an OBD-II diagnostic trouble code meaning: Right Side Curtain Air Bag Module Short. Common causes: short circuit in wiring harness, faulty curtain squib. Estimated repair cost: $56–167.

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

Symptoms

  • SRS/airbag indicator is on
  • Disabling the right side curtain airbag
  • Error B1148 in fault memory

Causes

  • Short circuit in wiring harness
  • Faulty curtain squib
  • Damage to the side curtain module
  • Contact corrosion
  • Problems with the SRS control unit

How to Fix

  1. Diagnostics of the SCS system with a scanner
  2. Checking Curtain Circuit Resistance
  3. Inspect the wiring harness and contacts
  4. Replacing damaged components
  5. Resetting the error and testing the system

Related codes

FAQ

What does the B1148 code mean?

B1148 is an OBD-II diagnostic trouble code that indicates: Right Side Curtain Air Bag Module Short

What causes a B1148 error code?

The most common causes of B1148 include: Short circuit in wiring harness; Faulty curtain squib; Damage to the side curtain module; Contact corrosion.

How do I fix a B1148 diagnostic trouble code?

To fix B1148: Diagnostics of the SCS system with a scanner. Checking Curtain Circuit Resistance. Inspect the wiring harness and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1148?

Limited driving only, diagnose soon

How much does it cost to fix B1148?

The estimated repair cost for B1148 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat