OBD Guide

B16B7

Center Stop Lamp Control Circuit

B16B7 is an OBD-II diagnostic trouble code meaning: Center Stop Lamp Control Circuit. Common causes: burnt out central brake light bulb, open or short circuit in wiring harness. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$6–56 (est.)

Symptoms

  • The central brake light does not work
  • The malfunction indicator on the dashboard lights up
  • The error is stored in the ECU memory

Causes

  • Burnt out central brake light bulb
  • Open or short circuit in wiring harness
  • Poor contact in connectors
  • Control module malfunction
  • Relay or fuse problems

How to Fix

  1. Check the condition of the central brake light lamp
  2. Inspect the wiring harness for damage
  3. Check contacts in connectors
  4. Check fuses and relays
  5. Scan the system for other errors
  6. If necessary, replace faulty components

Related codes

FAQ

What does the B16B7 code mean?

B16B7 is an OBD-II diagnostic trouble code that indicates: Center Stop Lamp Control Circuit

What causes a B16B7 error code?

The most common causes of B16B7 include: Burnt out central brake light bulb; Open or short circuit in wiring harness; Poor contact in connectors; Control module malfunction.

How do I fix a B16B7 diagnostic trouble code?

To fix B16B7: Check the condition of the central brake light lamp. Inspect the wiring harness for damage. Check contacts in connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B16B7?

Do not drive — repair immediately

How much does it cost to fix B16B7?

The estimated repair cost for B16B7 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat