OBD Guide

B26F7

Body Control Module

B26F7 is an OBD-II diagnostic trouble code meaning: Body Control Module. Common causes: software failure in the body module, wiring harness damage. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–222 (est.)

Symptoms

  • Incorrect operation of electrical equipment (lighting, power windows, etc.)
  • Problems with central locking
  • Dashboard malfunctions
  • Spontaneous turning on/off of headlights or other systems

Causes

  • Software failure in the body module
  • Wiring harness damage
  • Short circuit in the circuit
  • Malfunction of the body module itself
  • Power problems (blown fuse, poor contact)

How to Fix

  1. Check fuses associated with the body module
  2. Diagnose the condition of the wiring harness and connectors
  3. Scan the module for errors using diagnostic equipment
  4. Reflash the module (if required)
  5. If necessary, replace the body module

Related codes

FAQ

What does the B26F7 code mean?

B26F7 is an OBD-II diagnostic trouble code that indicates: Body Control Module

What causes a B26F7 error code?

The most common causes of B26F7 include: Software failure in the body module; Wiring harness damage; Short circuit in the circuit; Malfunction of the body module itself.

How do I fix a B26F7 diagnostic trouble code?

To fix B26F7: Check fuses associated with the body module. Diagnose the condition of the wiring harness and connectors. Scan the module for errors using diagnostic equipment. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B26F7?

Do not drive — repair immediately

How much does it cost to fix B26F7?

The estimated repair cost for B26F7 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat