OBD Guide

B118D

BSM Indicator Light Right Circuit Malfunction

B118D is an OBD-II diagnostic trouble code meaning: BSM Indicator Light Right Circuit Malfunction. Common causes: open or short circuit in the wiring harness of the right bsm indicator, right bsm indicator malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • The right indicator of the blind spot system does not work
  • False alarms of the BSM system
  • Error message on the dashboard

Causes

  • Open or short circuit in the wiring harness of the right BSM indicator
  • Right BSM indicator malfunction
  • Problems with the BSM control module
  • Corrosion or poor contact in connectors

How to Fix

  1. Check the integrity of the wiring harness of the right BSM indicator
  2. Check the operation of the right BSM indicator
  3. Check connectors and contacts for corrosion or damage
  4. Scan the BSM control module for additional errors
  5. If necessary, replace the indicator or wiring harness

Related codes

FAQ

What does the B118D code mean?

B118D is an OBD-II diagnostic trouble code that indicates: BSM Indicator Light Right Circuit Malfunction

What causes a B118D error code?

The most common causes of B118D include: Open or short circuit in the wiring harness of the right BSM indicator; Right BSM indicator malfunction; Problems with the BSM control module; Corrosion or poor contact in connectors.

How do I fix a B118D diagnostic trouble code?

To fix B118D: Check the integrity of the wiring harness of the right BSM indicator. Check the operation of the right BSM indicator. Check connectors and contacts for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B118D?

Limited driving only, diagnose soon

How much does it cost to fix B118D?

The estimated repair cost for B118D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat