OBD Guide

B3927

Incorrect Environmental Identifier Received from Electronic Brake Control Module

B3927 is an OBD-II diagnostic trouble code meaning: Incorrect Environmental Identifier Received from Electronic Brake Control Module. Common causes: environmental sensors malfunction, wiring harness damage. Estimated repair cost: $56–167.

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

Symptoms

  • The malfunction indicator light comes on
  • Deterioration of the stabilization system
  • Unstable ABS behavior

Causes

  • Environmental sensors malfunction
  • Wiring harness damage
  • Software error in EBCM module
  • Module power problems

How to Fix

  1. Check error codes in the EBCM module
  2. Inspect the wiring harness and connectors
  3. Check environmental sensors
  4. Update EBCM software
  5. Replace EBCM if necessary

Related codes

Error B3927 by Vehicle Brand

FAQ

What does the B3927 code mean?

B3927 is an OBD-II diagnostic trouble code that indicates: Incorrect Environmental Identifier Received from Electronic Brake Control Module

What causes a B3927 error code?

The most common causes of B3927 include: Environmental sensors malfunction; Wiring harness damage; Software error in EBCM module; Module power problems.

How do I fix a B3927 diagnostic trouble code?

To fix B3927: Check error codes in the EBCM module. Inspect the wiring harness and connectors. Check environmental sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3927?

Limited driving only, diagnose soon

How much does it cost to fix B3927?

The estimated repair cost for B3927 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat