AutoCodesRAM – B23C3 RAM

B23C3 RAM Code - Stop/Start Disable Switch 1/2 Correlation

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
B23C3 RAM indicates Stop/Start Disable Switch 1/2 Correlation.
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 519
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Dec 04, 2019
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Code B23C3 RAM 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 difference between the Stop/Start Disable Switch 1 and Switch 2 circuit voltages is greater than 1.0 volt for more than 0.08 seconds.
OBDII Code B23C3 RAM - Stop/Start Disable Switch 1/2 Correlation - AutoCodes.com
B23C3 RAM Code - Stop/Start Disable Switch 1/2 Correlation

What are the Possible Causes of the DTC B23C3 RAM?

  • 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 B23C3 RAM?

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 B23C3 RAM 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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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 B23C3 RAM Code

1. What does the OBDII code B23C3 in a RAM vehicle mean?

The B23C3 code indicates a correlation issue between the Stop/Start Disable Switch 1 and 2, suggesting the signals from these switches do not match as expected.

2. What are the common symptoms of the B23C3 code?

Symptoms may include the Stop/Start system being disabled, a warning light or message on the dashboard, and potentially reduced fuel efficiency.

3. What causes the B23C3 code to appear?

The code is often caused by a faulty Stop/Start disable switch, wiring issues, poor electrical connections, or a malfunction in the vehicle’s body control module (BCM).

4. Can I still drive my RAM vehicle with the B23C3 code?

Yes, the vehicle is usually drivable, but the Stop/Start system will likely remain disabled until the issue is resolved.

5. How can I diagnose the B23C3 code?

Start by using an OBDII scanner to confirm the code, then inspect the Stop/Start disable switches, wiring, and connectors for damage, corrosion, or loose connections.

6. What repairs are needed to fix the B23C3 code?

Repairs may include replacing the faulty Stop/Start disable switch, repairing or replacing damaged wiring, or reprogramming or replacing the body control module if necessary.

7. How much does it cost to fix the B23C3 code?

Repair costs will vary depending on the cause, but replacing a switch or fixing wiring could cost between $100 and $300. BCM repairs or replacements may be more expensive.

8. Can a dead battery cause the B23C3 code?

A weak or dead battery can sometimes impact electronic systems, but it is not a primary cause of this specific code.

9. Is the B23C3 code a common issue in RAM vehicles?

While not extremely common, issues with the Stop/Start system and related switches have been reported in some RAM models.

10. Should I disable the Stop/Start system if I see the B23C3 code?

It’s not necessary to disable the system manually, as it will likely remain off due to the fault. Focus on addressing the underlying issue instead.

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