OBD Guide
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B23C2

Stop/Start Disable Switch 2 Circuit High

B23C2 is an OBD-II diagnostic trouble code meaning: Stop/Start Disable Switch 2 Circuit High. Common causes: short circuit to positive in the button circuit, malfunction of the start/stop system disable button. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Start/stop system does not work
  • Check Engine Light Is On
  • The start/stop button does not respond to pressing

Causes

  • Short circuit to positive in the button circuit
  • Malfunction of the start/stop system disable button
  • Wiring harness damage
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the integrity of the wiring harness in the button circuit
  2. Check the start/stop system shutdown button for malfunctions
  3. Measure the voltage in the button circuit
  4. If necessary, replace the button or repair the wiring harness
  5. Reset the error and check if it returns

Related codes

B23C1B23C3P0562

FAQ

What does the B23C2 code mean?

B23C2 is an OBD-II diagnostic trouble code that indicates: Stop/Start Disable Switch 2 Circuit High

What causes a B23C2 error code?

The most common causes of B23C2 include: Short circuit to positive in the button circuit; Malfunction of the start/stop system disable button; Wiring harness damage; Problems with the engine control unit (ECU).

How do I fix a B23C2 diagnostic trouble code?

To fix B23C2: Check the integrity of the wiring harness in the button circuit. Check the start/stop system shutdown button for malfunctions. Measure the voltage in the button circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B23C2?

Yes, but get it checked soon

How much does it cost to fix B23C2?

The estimated repair cost for B23C2 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat