AutoCodes – Generic – B23C2

B23C2 Code - Stop/Start Disable Switch 2 Circuit High

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: B23C2 indicates Stop/Start Disable Switch 2 Circuit High.
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 1,011

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 B23C2 Description

The Powertrain Control Module (PCM) monitors the Stop/Start Disable Switch 2 Circuit. The Diagnostic Trouble Code (DTC) sets when the PCM receives a message over the CAN BUS from the Body Control Module (BCM) that the Stop/Start Disable Switch circuit voltage is greater than 4.995 volts.

OBDII Code B23C2 - Stop/Start Disable Switch 2 Circuit High - AutoCodes.com — B23C2 Code - Stop/Start Disable Switch 2 Circuit High

What does this mean?

What are the Possible Causes of the DTC B23C2?

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 B23C2?

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 B23C2 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.

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Need Help with the Code?

Get the B23C2 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B23C2 Chrysler — Stop/Start Disable Switch 2 Circuit High
B23C2 Dodge — Stop/Start Disable Switch 2 Circuit High
B23C2 Jeep — Stop/Start Disable Switch 2 Circuit High
B23C2 RAM — Stop/Start Disable Switch 2 Circuit High

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 B23C2 Code

What does the OBDII code B23C2 mean?

The B23C2 code indicates a high voltage issue in the Stop/Start Disable Switch 2 Circuit, which is responsible for controlling the vehicle's stop/start system.

What are the common symptoms of the B23C2 code?

Symptoms may include the stop/start system being disabled, a warning light on the dashboard, or the engine not restarting automatically.

What causes the B23C2 code to be triggered?

Common causes include a faulty stop/start disable switch, damaged or corroded wiring, a short circuit, or a malfunctioning control module.

Can I drive my car with the B23C2 code?

Yes, but the stop/start system may not function properly, which could affect fuel efficiency. Itâ€™s best to address the issue promptly to avoid further problems.

How is the B23C2 code diagnosed?

A technician will use a scan tool to confirm the code, inspect the stop/start disable switch and related wiring, and test for proper voltage levels in the circuit.

How do you fix the B23C2 code?

Repairs may involve replacing the stop/start disable switch, repairing or replacing damaged wiring, or reprogramming or replacing the control module if necessary.

How much does it cost to fix the B23C2 code?

The cost can vary depending on labor rates and parts, but replacing a stop/start disable switch generally ranges from $50 to $200, excluding diagnostic fees.

Can I reset the B23C2 code without fixing it?

Resetting the code without addressing the root cause may temporarily clear the warning, but the issue is likely to return until repaired.

What tools are needed to troubleshoot the B23C2 code?

A diagnostic scan tool, multimeter, and wiring diagram for the stop/start system are typically required for troubleshooting this code.

Is the B23C2 code specific to certain vehicles?

This code is most commonly found in vehicles equipped with a stop/start system but can apply to various makes and models that use the same diagnostic standards.