OBD Guide
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B1BD0

Occupant Restraint Controller Roll Over Internal

B1BD0 is an OBD-II diagnostic trouble code meaning: Occupant Restraint Controller Roll Over Internal. Common causes: restraint controller internal failure, damage to chips or software. Estimated repair cost: $167–556.

Severity
🚨 Critical
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–556 (est.)

Symptoms

  • Airbag light is on
  • The passive safety system does not activate
  • System diagnostic error

Causes

  • Restraint controller internal failure
  • Damage to chips or software
  • Controller power problems
  • Short circuit in wiring harness

How to Fix

  1. Conduct diagnostics of the passive safety system
  2. Check the power supply and grounding of the controller
  3. Inspect the wiring harness for damage
  4. Replace the passive safety system controller if necessary
  5. Reset the error and check the system

Related codes

B1BD1B1BD2B1BD3

FAQ

What does the B1BD0 code mean?

B1BD0 is an OBD-II diagnostic trouble code that indicates: Occupant Restraint Controller Roll Over Internal

What causes a B1BD0 error code?

The most common causes of B1BD0 include: Restraint controller internal failure; Damage to chips or software; Controller power problems; Short circuit in wiring harness.

How do I fix a B1BD0 diagnostic trouble code?

To fix B1BD0: Conduct diagnostics of the passive safety system. Check the power supply and grounding of the controller. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1BD0?

Do not drive — repair immediately

How much does it cost to fix B1BD0?

The estimated repair cost for B1BD0 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat