OBD Guide
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C1520

Clutch Switch

C1520 is an OBD-II diagnostic trouble code meaning: Clutch Switch. Common causes: faulty clutch sensor, open or shorted wiring harness. Estimated repair cost: $22–56.

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

Symptoms

  • Problems starting the engine
  • Cruise control doesn't work
  • Engine stalls when changing gears

Causes

  • Faulty clutch sensor
  • Open or shorted wiring harness
  • Poor contact in the sensor connector
  • ECU malfunction

How to Fix

  1. Check the condition of the clutch pedal sensor
  2. Inspect the wiring harness for damage
  3. Check the contacts in the sensor connector
  4. If necessary, replace the sensor or repair the harness

Related codes

C0500C0800

FAQ

What does the C1520 code mean?

C1520 is an OBD-II diagnostic trouble code that indicates: Clutch Switch

What causes a C1520 error code?

The most common causes of C1520 include: Faulty clutch sensor; Open or shorted wiring harness; Poor contact in the sensor connector; ECU malfunction.

How do I fix a C1520 diagnostic trouble code?

To fix C1520: Check the condition of the clutch pedal sensor. Inspect the wiring harness for damage. Check the contacts in the sensor connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1520?

Limited driving only, diagnose soon

How much does it cost to fix C1520?

The estimated repair cost for C1520 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat