OBD Guide

B0042

Third Row Left Frontal Stage 2 Deployment Control

B0042 is an OBD-II diagnostic trouble code meaning: Third Row Left Frontal Stage 2 Deployment Control. Common causes: open or short circuit in wiring harness, airbag squib malfunction. Estimated repair cost: $111โ€“333.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$111โ€“333 (est.)

Symptoms

  • Airbag light is on
  • The safety system may not work in the event of an accident

Causes

  • Open or short circuit in wiring harness
  • Airbag squib malfunction
  • Problems with the airbag control unit
  • Contact corrosion

How to Fix

  1. Diagnose the system using an OBD-II scanner
  2. Check the integrity of the wiring harness
  3. Check the condition of the squib
  4. Replace faulty components
  5. Reset the error and check the system

Related codes

Error B0042 by Vehicle Brand

FAQ

What does the B0042 code mean?

B0042 is an OBD-II diagnostic trouble code that indicates: Third Row Left Frontal Stage 2 Deployment Control

What causes a B0042 error code?

The most common causes of B0042 include: Open or short circuit in wiring harness; Airbag squib malfunction; Problems with the airbag control unit; Contact corrosion.

How do I fix a B0042 diagnostic trouble code?

To fix B0042: Diagnose the system using an OBD-II scanner. Check the integrity of the wiring harness. Check the condition of the squib. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0042?

Do not drive โ€” repair immediately

How much does it cost to fix B0042?

The estimated repair cost for B0042 is $111โ€“333. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat