OBD Guide
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C164E

Stop Switch Circuit Malfunction

C164E is an OBD-II diagnostic trouble code meaning: Stop Switch Circuit Malfunction. Common causes: open or short circuit in the circuit, faulty brake light switch. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$22–111 (est.)

Symptoms

  • Brake lights don't work
  • Problems with cruise control
  • Difficulty starting the engine
  • Check Engine Light Is On

Causes

  • Open or short circuit in the circuit
  • Faulty brake light switch
  • Poor contact in connectors
  • Problems with the control unit

How to Fix

  1. Check brake light circuit fuse
  2. Inspect the wiring for damage
  3. Check the operation of the brake light switch
  4. Diagnose the control unit if necessary

Related codes

C164FB1342P0571

FAQ

What does the C164E code mean?

C164E is an OBD-II diagnostic trouble code that indicates: Stop Switch Circuit Malfunction

What causes a C164E error code?

The most common causes of C164E include: Open or short circuit in the circuit; Faulty brake light switch; Poor contact in connectors; Problems with the control unit.

How do I fix a C164E diagnostic trouble code?

To fix C164E: Check brake light circuit fuse. Inspect the wiring for damage. Check the operation of the brake light switch. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C164E?

Do not drive — repair immediately

How much does it cost to fix C164E?

The estimated repair cost for C164E is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat