OBD Guide
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C1016

Brake Light Switch Circuit Failure

C1016 is an OBD-II diagnostic trouble code meaning: Brake Light Switch Circuit Failure. Common causes: open or short circuit in the circuit, faulty brake light switch. Estimated repair cost: $11–56.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$11–56 (est.)

Symptoms

  • Brake lights don't work
  • Problems with cruise control
  • Check Engine light comes on

Causes

  • Open or short circuit in the circuit
  • Faulty brake light switch
  • Poor contact in connectors
  • Wiring Harness Problems

How to Fix

  1. Check the continuity of the brake light switch circuit
  2. Check the operation of the brake light switch
  3. Inspect connectors and wiring harness for damage
  4. Replace the brake light switch if necessary

Related codes

C1015C1017

FAQ

What does the C1016 code mean?

C1016 is an OBD-II diagnostic trouble code that indicates: Brake Light Switch Circuit Failure

What causes a C1016 error code?

The most common causes of C1016 include: Open or short circuit in the circuit; Faulty brake light switch; Poor contact in connectors; Wiring Harness Problems.

How do I fix a C1016 diagnostic trouble code?

To fix C1016: Check the continuity of the brake light switch circuit. Check the operation of the brake light switch. Inspect connectors and wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1016?

Do not drive — repair immediately

How much does it cost to fix C1016?

The estimated repair cost for C1016 is $11–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat