OBD Guide
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B2212

Occupant Classification Module Internal

B2212 is an OBD-II diagnostic trouble code meaning: Occupant Classification Module Internal. Common causes: occupant classification module (ocm) malfunction, wiring harness damage. Estimated repair cost: $167–333.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–333 (est.)

Symptoms

  • Airbag light is on
  • Incorrect operation of the airbag
  • Error message on the dashboard

Causes

  • Occupant Classification Module (OCM) malfunction
  • Wiring harness damage
  • Short circuit in the circuit
  • Software failure in the module

How to Fix

  1. Diagnostics of the OCM module using an OBD-II scanner
  2. Checking the wiring harness and connections
  3. Flashing or replacing the OCM module
  4. Resetting the error and checking the system operation

Related codes

B2211B2213B2220

FAQ

What does the B2212 code mean?

B2212 is an OBD-II diagnostic trouble code that indicates: Occupant Classification Module Internal

What causes a B2212 error code?

The most common causes of B2212 include: Occupant Classification Module (OCM) malfunction; Wiring harness damage; Short circuit in the circuit; Software failure in the module.

How do I fix a B2212 diagnostic trouble code?

To fix B2212: Diagnostics of the OCM module using an OBD-II scanner. Checking the wiring harness and connections. Flashing or replacing the OCM module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2212?

Do not drive — repair immediately

How much does it cost to fix B2212?

The estimated repair cost for B2212 is $167–333. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat