AutoCodes – Chevrolet – B2745 2017 Chevrolet Silverado

B2745 2017 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 2017 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 276
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 2017 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 2017 Chevrolet Silverado - Traction Control Switch Circuit - AutoCodes.com
B2745 2017 Chevrolet Silverado Code - Traction Control Switch Circuit

What are the Possible Causes of the DTC B2745 2017 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 2017 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 2017 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 2017 Chevrolet Silverado code?

Need more information on how to fix the B2745 2017 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 2017 Chevrolet Silverado Code

1. What does OBDII code B2745 for a 2017 Chevrolet Silverado indicate?

The code B2745 refers to a fault in the Traction Control Switch Circuit in a 2017 Chevrolet Silverado.

2. What are the common symptoms of a Traction Control Switch Circuit issue in a 2017 Chevrolet Silverado?

Common symptoms include the traction control system not functioning properly, the traction control light illuminating on the dashboard, and potential loss of traction control features.

3. What are the possible causes of OBDII code B2745 in a 2017 Chevrolet Silverado?

Potential causes include a faulty traction control switch, damaged wiring or connectors in the circuit, a malfunctioning traction control module, or issues with the vehicle's electronic systems.

4. How can I diagnose a Traction Control Switch Circuit problem in my 2017 Chevrolet Silverado?

Diagnosis typically involves using a diagnostic scanner to retrieve the specific trouble code, inspecting the traction control switch and its wiring for damage, and testing the traction control module for proper function.

5. Can I continue driving my 2017 Chevrolet Silverado with OBDII code B2745 present?

It is not recommended to ignore the code, as it indicates a potential safety issue with the traction control system. Continued driving with a faulty traction control system can compromise vehicle stability and safety.

6. How can I repair a Traction Control Switch Circuit issue in my 2017 Chevrolet Silverado?

Repair may involve replacing the faulty traction control switch, repairing damaged wiring or connectors, resetting the traction control module, or seeking professional assistance for a thorough diagnosis and repair.

7. Are there any DIY tips for addressing OBDII code B2745 in a 2017 Chevrolet Silverado?

DIY tips may include checking for loose connections, ensuring the traction control switch is functioning correctly, and consulting the vehicle's manual for troubleshooting guidance related to the traction control system.

8. How much does it typically cost to fix a Traction Control Switch Circuit problem in a 2017 Chevrolet Silverado?

The cost of repair can vary depending on the specific issue causing the code B2745. Costs may include parts replacement, labor fees, and diagnostic charges if professional assistance is sought.

9. Can a Traction Control Switch Circuit issue affect other systems in my 2017 Chevrolet Silverado?

While the issue primarily relates to the traction control system, electrical problems in one system can sometimes impact other electronic systems in the vehicle. It's important to address the problem promptly to prevent further issues.

10. Is it possible to prevent OBDII code B2745 in a 2017 Chevrolet Silverado?

Regular maintenance, avoiding water damage to electrical components, and addressing any warning lights or unusual vehicle behavior promptly can help prevent issues like code B2745 from occurring.

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