OBD Guide

B0068

Left Front/Driver Roof Rail/Head Curtain Bag Deployment Loop Voltage Out of Range

B0068 is an OBD-II diagnostic trouble code meaning: Left Front/Driver Roof Rail/Head Curtain Bag Deployment Loop Voltage Out of Range. Common causes: broken or damaged wiring harness, short circuit in the circuit. Estimated repair cost: $56โ€“222.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“222 (est.)

Symptoms

  • Airbag light is on
  • SRS does not activate in case of accident
  • Error message on the dashboard

Causes

  • Broken or damaged wiring harness
  • Short circuit in the circuit
  • Side curtain squib malfunction
  • Problems with the SRS control module
  • Contact corrosion

How to Fix

  1. Diagnose the SRS system using a scanner
  2. Check the integrity of the wiring harness and contacts
  3. Replace damaged components (squib, wiring harness)
  4. Reset the error and test the system
  5. If necessary, replace the SRS control module

Related codes

Error B0068 by Vehicle Brand

FAQ

What does the B0068 code mean?

B0068 is an OBD-II diagnostic trouble code that indicates: Left Front/Driver Roof Rail/Head Curtain Bag Deployment Loop Voltage Out of Range

What causes a B0068 error code?

The most common causes of B0068 include: Broken or damaged wiring harness; Short circuit in the circuit; Side curtain squib malfunction; Problems with the SRS control module.

How do I fix a B0068 diagnostic trouble code?

To fix B0068: Diagnose the SRS system using a scanner. Check the integrity of the wiring harness and contacts. Replace damaged components (squib, wiring harness). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0068?

Do not drive โ€” repair immediately

How much does it cost to fix B0068?

The estimated repair cost for B0068 is $56โ€“222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat