AutoCodes – Generic – B23BF

B23BF Code - Stop/Start Disable Switch 2 Circuit Open

Quick Answer

The Powertrain Control Module (PCM) monitors the Stop/Start Disable Switch 2 Circuit. Common causes include Faulty Switch Bank Module, Switch Bank Module harness is open or shorted, Switch Bank Module circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B23BF indicates Stop/Start Disable Switch 2 Circuit Open.
Common causes: Common causes include Faulty Switch Bank Module, Switch Bank Module harness is open or shorted, Switch Bank Module circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 911

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Dec 04, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B23BF Description

The Powertrain Control Module (PCM) monitors the Stop/Start Disable Switch 2 Circuit. The Diagnostic Trouble Code (DTC) sets when the PCM detects a loss of signal from the Switch Bank Module (Stop/Start Disable Switch) for more than 2.24 seconds.

OBDII Code B23BF - Stop/Start Disable Switch 2 Circuit Open - AutoCodes.com — B23BF Code - Stop/Start Disable Switch 2 Circuit Open

What does this mean?

What are the Possible Causes of the DTC B23BF?

Faulty Switch Bank Module
Switch Bank Module harness is open or shorted
Switch Bank Module circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B23BF?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B23BF code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B23BF code?

Need more information on how to fix the B23BF code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B23BF code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B23BF Chrysler — Stop/Start Disable Switch 2 Circuit Open
B23BF Dodge — Stop/Start Disable Switch 2 Circuit Open
B23BF Jeep — Stop/Start Disable Switch 2 Circuit Open
B23BF RAM — Stop/Start Disable Switch 2 Circuit Open

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B23BF Code

What does the OBDII code B23BF mean?

The code B23BF indicates an issue with the Stop/Start Disable Switch 2 Circuit, specifically an open circuit condition.

What are common symptoms of code B23BF?

Symptoms may include the stop/start function being disabled, a warning light on the dashboard, and reduced fuel efficiency.

What causes the B23BF code to appear?

This code is typically caused by an open circuit in the Stop/Start Disable Switch 2 wiring, a faulty switch, or loose electrical connections.

Can I still drive my vehicle with code B23BF?

Yes, you can drive the vehicle, but the stop/start functionality may not work, potentially affecting fuel economy.

How do I diagnose the B23BF code?

Check the wiring and connectors for damage or disconnection, inspect the switch for faults, and use a multimeter to test the circuit for continuity.

What tools do I need to repair the B23BF code?

Basic tools include a multimeter, wiring diagrams, and potentially a replacement Stop/Start Disable Switch.

Can the B23BF code be fixed without professional help?

If you're experienced with electrical diagnostics and repairs, you may be able to fix it yourself by inspecting and repairing the wiring or replacing the switch.

How much does it cost to repair the B23BF code?

Repair costs vary, but replacing the Stop/Start Disable Switch typically ranges between $50 and $150, plus labor if done professionally.

Will clearing the B23BF code solve the problem?

Clearing the code may temporarily remove the warning, but the underlying issue must be fixed to prevent it from returning.

What happens if I ignore the B23BF code?

Ignoring the code may lead to continued disablement of the stop/start function, reducing fuel efficiency and potentially masking other electrical issues.