OBD Guide
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B261A

Push-Button Ignition Switch

B261A is an OBD-II diagnostic trouble code meaning: Push-Button Ignition Switch. Common causes: worn or damaged start button, open or shorted wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • The engine does not start when the button is pressed
  • The start button does not respond to presses
  • Flashing indicators on the dashboard

Causes

  • Worn or damaged start button
  • Open or shorted wiring harness
  • Control module malfunction
  • Contact corrosion
  • Low voltage in the on-board network

How to Fix

  1. Check the voltage in the on-board network
  2. Inspect the start button for damage
  3. Check the wiring harness for opens and shorts
  4. Clean the button contacts from corrosion
  5. Replace the start button if necessary

Related codes

B261BB261CP0510

FAQ

What does the B261A code mean?

B261A is an OBD-II diagnostic trouble code that indicates: Push-Button Ignition Switch

What causes a B261A error code?

The most common causes of B261A include: Worn or damaged start button; Open or shorted wiring harness; Control module malfunction; Contact corrosion.

How do I fix a B261A diagnostic trouble code?

To fix B261A: Check the voltage in the on-board network. Inspect the start button for damage. Check the wiring harness for opens and shorts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B261A?

Limited driving only, diagnose soon

How much does it cost to fix B261A?

The estimated repair cost for B261A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat