OBD Guide
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B23C3

Stop/Start Disable Switch 1/2 Correlation

B23C3 is an OBD-II diagnostic trouble code meaning: Stop/Start Disable Switch 1/2 Correlation. Common causes: malfunction of the start/stop system shutdown button, wiring harness damage. Estimated repair cost: $56–167.

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

Symptoms

  • Start/Stop system does not work
  • Fault indication on the instrument panel
  • Inability to forcefully disable the Start/Stop system

Causes

  • Malfunction of the Start/Stop system shutdown button
  • Wiring harness damage
  • Problems with contacts in connectors
  • Control unit malfunction

How to Fix

  1. Check the functionality of the Start/Stop system shutdown button
  2. Inspect the wiring harness for damage
  3. Check the condition of the contacts in the connectors
  4. Scan the control unit for additional errors
  5. If necessary, replace the button or repair the wiring harness

Related codes

B23C4U0121U0140

FAQ

What does the B23C3 code mean?

B23C3 is an OBD-II diagnostic trouble code that indicates: Stop/Start Disable Switch 1/2 Correlation

What causes a B23C3 error code?

The most common causes of B23C3 include: Malfunction of the Start/Stop system shutdown button; Wiring harness damage; Problems with contacts in connectors; Control unit malfunction.

How do I fix a B23C3 diagnostic trouble code?

To fix B23C3: Check the functionality of the Start/Stop system shutdown button. Inspect the wiring harness for damage. Check the condition of the contacts in the connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B23C3?

Limited driving only, diagnose soon

How much does it cost to fix B23C3?

The estimated repair cost for B23C3 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat