AutoCodes – Chevrolet – B2745 2015 Chevrolet Silverado

B2745 2015 Chevrolet Silverado Code - Traction Control Switch Circuit

Quick Answer

The Body Control Module (BCM) monitors the signal circuit from the traction control switch. Common causes include Faulty Multifunction Switch Instrument Panel, Multifunction Switch Instrument Panel harness is open or shorted, Multifunction Switch Instrument Panel 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
B2745 2015 Chevrolet Silverado indicates Traction Control Switch Circuit.
Common causes
Common causes include Faulty Multifunction Switch Instrument Panel, Multifunction Switch Instrument Panel harness is open or shorted, Multifunction Switch Instrument Panel 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 215
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 01, 2023
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Code B2745 2015 Chevrolet Silverado Description

The Body Control Module (BCM) monitors the signal circuit from the traction control switch. When the traction control switch is pressed once, the body control module will request the electronic brake control module via serial data to disable the traction control. The electronic brake control module will request the instrument cluster via serial data to turn the traction control off indicator ON to notify the driver of the deactivation.
When the traction control switch is pressed and held for 5 s, the body control module will request the electronic brake control module to disable the traction control and the electronic stability control. The electronic brake control module will request the instrument cluster via serial data to turn the traction control off and stability control off indicator ON to notify the driver of the deactivation. The Diagnostic Trouble Code (DTC) sets when the BCM detects a problem in the signal circuit.
OBDII Code B2745 2015 Chevrolet Silverado - Traction Control Switch Circuit - AutoCodes.com
B2745 2015 Chevrolet Silverado Code - Traction Control Switch Circuit

What are the Possible Causes of the DTC B2745 2015 Chevrolet Silverado?

  • Faulty Multifunction Switch Instrument Panel
  • Multifunction Switch Instrument Panel harness is open or shorted
  • Multifunction Switch Instrument Panel circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the DTC B2745 2015 Chevrolet Silverado?

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 B2745 2015 Chevrolet Silverado 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 B2745 2015 Chevrolet Silverado code?

Need more information on how to fix the B2745 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 B2745 2015 Chevrolet Silverado Code

1. What are common symptoms of OBDII code B2745 in a 2015 Chevrolet Silverado related to the Traction Control Switch Circuit?

The common symptoms include the traction control system not functioning properly, the traction control light being illuminated on the dashboard, and potential issues with stability control.

2. What are possible causes of OBDII code B2745 in a 2015 Chevrolet Silverado?

Potential causes of this code may include a faulty traction control switch, damaged wiring or connectors in the traction control circuit, or a malfunctioning traction control module.

3. How can I diagnose the Traction Control Switch Circuit issue causing OBDII code B2745 in my 2015 Chevrolet Silverado?

You can start by visually inspecting the traction control switch, checking the wiring and connectors for any damage, and using a diagnostic scan tool to pinpoint the exact cause of the issue.

4. Is it safe to continue driving my 2015 Chevrolet Silverado with OBDII code B2745 related to the Traction Control Switch Circuit?

It is generally not recommended to drive the vehicle with this code active, as it can affect the performance of the traction control system and compromise your safety on the road.

5. Can I reset OBDII code B2745 in my 2015 Chevrolet Silverado without fixing the underlying issue?

While you can clear the code temporarily, it will likely reappear until the root cause of the Traction Control Switch Circuit problem is identified and resolved.

6. How much does it typically cost to repair OBDII code B2745 in a 2015 Chevrolet Silverado?

The cost of repair can vary depending on the exact cause of the issue. It may range from a simple switch replacement to more complex wiring repairs or module replacement, potentially costing a few hundred dollars to over a thousand dollars.

7. Can I fix OBDII code B2745 related to the Traction Control Switch Circuit in my 2015 Chevrolet Silverado myself?

If you have experience with automotive electrical systems and the necessary tools, you may be able to diagnose and repair the issue yourself. However, it is recommended to seek professional help if you are unsure or unfamiliar with the process.

8. Will fixing OBDII code B2745 in my 2015 Chevrolet Silverado improve fuel efficiency or engine performance?

Resolving this specific code related to the Traction Control Switch Circuit is more about restoring the proper function of the traction control system and ensuring safe driving conditions, rather than directly impacting fuel efficiency or engine performance.

9. How long does it typically take to repair OBDII code B2745 in a 2015 Chevrolet Silverado?

The repair time can vary based on the complexity of the issue and the availability of parts. It may take anywhere from a few hours to a full day to diagnose and fix the Traction Control Switch Circuit problem.

10. Can severe weather conditions or rough driving lead to the triggering of OBDII code B2745 in a 2015 Chevrolet Silverado?

Extreme weather or rough driving conditions can potentially exacerbate existing issues with the traction control system, leading to the activation of this code. Regular maintenance and safe driving practices can help prevent such problems.

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