OBD Guide
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B2618

Body Control Module Faulty

B2618 is an OBD-II diagnostic trouble code meaning: Body Control Module Faulty. Common causes: software error in bcm, damage to the wiring harness connected to the bcm. Estimated repair cost: $56–167.

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

Symptoms

  • Failure of BCM-controlled systems (lighting, power windows, etc.)
  • Incorrect operation of the central locking
  • Dashboard flashing or turning off

Causes

  • Software error in BCM
  • Damage to the wiring harness connected to the BCM
  • Short circuit or open circuit
  • Physical damage to the BCM

How to Fix

  1. Check error codes using an OBD-II scanner
  2. Inspect the BCM wiring harness and connectors for damage.
  3. Check BCM related fuses
  4. If necessary, reflash or replace the BCM module

Related codes

B2600B2601B2610

FAQ

What does the B2618 code mean?

B2618 is an OBD-II diagnostic trouble code that indicates: Body Control Module Faulty

What causes a B2618 error code?

The most common causes of B2618 include: Software error in BCM; Damage to the wiring harness connected to the BCM; Short circuit or open circuit; Physical damage to the BCM.

How do I fix a B2618 diagnostic trouble code?

To fix B2618: Check error codes using an OBD-II scanner. Inspect the BCM wiring harness and connectors for damage.. Check BCM related fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2618?

Limited driving only, diagnose soon

How much does it cost to fix B2618?

The estimated repair cost for B2618 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat