AutoCodes – Chevrolet – B2597 Chevrolet

B2597 Chevrolet Code - Traction Control System Switch Circuit

Quick Answer

The Traction Control and Active Handling indicator is controlled by the instrument cluster via serial data messages from the Electronic Brake Control Module (EBCM). Common causes include Faulty Traction Control System Switch, Traction Control System Switch harness is open or shorted, Traction Control System Switch 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
B2597 Chevrolet indicates Traction Control System Switch Circuit.
Common causes
Common causes include Faulty Traction Control System Switch, Traction Control System Switch harness is open or shorted, Traction Control System Switch 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 843
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 05, 2020
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Code B2597 Chevrolet Description

The Traction Control and Active Handling indicator is controlled by the instrument cluster via serial data messages from the Electronic Brake Control Module (EBCM). When the Body Control Module (BCM) sees the traction control switch input grounded through the momentary traction control switch, it sends a serial data message to the EBCM that tells the EBCM that the traction control switch has been pressed. The EBCM then disables TCS and VSES. The EBCM sends a serial data message to the instrument cluster to turn the Traction Control and Active Handling indicator ON and display the Traction System Off message or the Traction/Active Handling Off message ( on the DIC.
When the BCM sees the traction control switch input grounded for 5 seconds while the vehicle is stopped and the ignition is ON, it sends a serial data message to the EBCM that tells the EBCM that the traction control switch has been pressed for 5 seconds. The EBCM then disables TCS, while leaving VSES enabled. The EBCM sends a serial data message to the instrument cluster display the Competitive Driving message on the DIC. The Traction Control and Active Handling indicator remains OFF.
OBDII Code B2597 Chevrolet - Traction Control System Switch Circuit - AutoCodes.com
B2597 Chevrolet Code - Traction Control System Switch Circuit

What are the Possible Causes of the DTC B2597 Chevrolet?

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

How to Fix the DTC B2597 Chevrolet?

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 B2597 Chevrolet 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 B2597 Chevrolet Code

1. What are the common symptoms of OBDII code B2597 (Chevrolet) related to the Traction Control System Switch Circuit?

- Common symptoms include the traction control light staying on, traction control system not engaging properly, and potential loss of traction control functionality.

2. What causes the OBDII code B2597 (Chevrolet) to be triggered in relation to the Traction Control System Switch Circuit?

- This code is typically triggered by issues with the traction control system switch itself, wiring problems, or a malfunction in the traction control module.

3. How can I diagnose the Traction Control System Switch Circuit issue causing OBDII code B2597 (Chevrolet)?

- Diagnosis involves checking the traction control switch for proper operation, inspecting the wiring for any damage or corrosion, and testing the traction control module for faults.

4. Can a faulty traction control switch be repaired, or does it need to be replaced?

- In most cases, a faulty traction control switch will need to be replaced rather than repaired to ensure proper functionality of the traction control system.

5. Are there any DIY repair tips for addressing OBDII code B2597 (Chevrolet) related to the Traction Control System Switch Circuit?

- DIY repair tips include checking and cleaning electrical connections, ensuring proper wiring harness connections, and using a multimeter to test for continuity and proper voltage.

6. Is it safe to continue driving with OBDII code B2597 (Chevrolet) triggered for the Traction Control System Switch Circuit?

- While the vehicle may still be operable, it is not recommended to drive with this code triggered as it can affect the traction control system's ability to function properly, potentially compromising safety.

7. How much does it typically cost to repair OBDII code B2597 (Chevrolet) related to the Traction Control System Switch Circuit?

- Repair costs can vary based on the specific issue, but they may range from $100 to $300 for parts and labor depending on the extent of the problem.

8. Can resetting the OBDII code B2597 (Chevrolet) related to the Traction Control System Switch Circuit temporarily resolve the issue?

- While clearing the code may temporarily turn off the warning light, it will not fix the underlying problem causing the Traction Control System Switch Circuit issue.

9. Are there any recalls or technical service bulletins related to OBDII code B2597 (Chevrolet) and the Traction Control System Switch Circuit?

- It's recommended to check with Chevrolet dealerships or online databases for any relevant recalls or technical service bulletins related to this specific OBDII code and issue.

10. How important is it to address OBDII code B2597 (Chevrolet) in the Traction Control System Switch Circuit promptly?

- It is crucial to address this code promptly to ensure the proper functioning of the traction control system, which plays a vital role in vehicle stability and safety, especially in adverse road conditions.

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