OBD Guide
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B2579

Convertible Top Switch Circuit Performance

B2579 is an OBD-II diagnostic trouble code meaning: Convertible Top Switch Circuit Performance. Common causes: open or shorted wiring harness, oxidation of switch contacts. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Convertible top failure to operate
  • Intermittent convertible top operation
  • Fault indication on the dashboard

Causes

  • Open or shorted wiring harness
  • Oxidation of switch contacts
  • Convertible top switch malfunction
  • Problems with the control unit

How to Fix

  1. Check wiring harness for damage
  2. Clean switch contacts
  3. Check the functionality of the switch
  4. Check the control unit for errors

Related codes

B2580B2581B2582

FAQ

What does the B2579 code mean?

B2579 is an OBD-II diagnostic trouble code that indicates: Convertible Top Switch Circuit Performance

What causes a B2579 error code?

The most common causes of B2579 include: Open or shorted wiring harness; Oxidation of switch contacts; Convertible top switch malfunction; Problems with the control unit.

How do I fix a B2579 diagnostic trouble code?

To fix B2579: Check wiring harness for damage. Clean switch contacts. Check the functionality of the switch. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2579?

Limited driving only, diagnose soon

How much does it cost to fix B2579?

The estimated repair cost for B2579 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat