OBD Guide
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B23BF

Stop/Start Disable Switch 2 Circuit Open

B23BF is an OBD-II diagnostic trouble code meaning: Stop/Start Disable Switch 2 Circuit Open. Common causes: broken or damaged wiring, stop/start switch malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Stop/Start system does not work
  • Check Engine light comes on
  • Possible problems starting the engine

Causes

  • Broken or damaged wiring
  • Stop/Start switch malfunction
  • Problems with the Stop/Start relay
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the integrity of the wiring in the Stop/Start switch circuit
  2. Check the operation of the Stop/Start switch
  3. Check the Stop/Start system relay
  4. If necessary, replace faulty components
  5. Reset the error and check the system operation

Related codes

B23BEB23C0P0562

FAQ

What does the B23BF code mean?

B23BF is an OBD-II diagnostic trouble code that indicates: Stop/Start Disable Switch 2 Circuit Open

What causes a B23BF error code?

The most common causes of B23BF include: Broken or damaged wiring; Stop/Start switch malfunction; Problems with the Stop/Start relay; Engine control unit (ECU) malfunction.

How do I fix a B23BF diagnostic trouble code?

To fix B23BF: Check the integrity of the wiring in the Stop/Start switch circuit. Check the operation of the Stop/Start switch. Check the Stop/Start system relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B23BF?

Yes, but get it checked soon

How much does it cost to fix B23BF?

The estimated repair cost for B23BF is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat