OBD Guide
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C1446

Park Brake Switch Circuit Failure

C1446 is an OBD-II diagnostic trouble code meaning: Park Brake Switch Circuit Failure. Common causes: open or short circuit in the circuit, parking brake switch malfunction. Estimated repair cost: $22–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • The parking brake indicator is on
  • Incorrect operation of the warning system
  • Error on the dashboard

Causes

  • Open or short circuit in the circuit
  • Parking brake switch malfunction
  • Wiring harness damage
  • Problems with the control unit

How to Fix

  1. Check the continuity of the parking brake switch circuit
  2. Check the serviceability of the switch
  3. Inspect the wiring harness for damage
  4. If necessary, replace the switch or repair the harness

Related codes

C1445C1447

FAQ

What does the C1446 code mean?

C1446 is an OBD-II diagnostic trouble code that indicates: Park Brake Switch Circuit Failure

What causes a C1446 error code?

The most common causes of C1446 include: Open or short circuit in the circuit; Parking brake switch malfunction; Wiring harness damage; Problems with the control unit.

How do I fix a C1446 diagnostic trouble code?

To fix C1446: Check the continuity of the parking brake switch circuit. Check the serviceability of the switch. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1446?

Limited driving only, diagnose soon

How much does it cost to fix C1446?

The estimated repair cost for C1446 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat