AutoCodes – Chevrolet – B2590 Chevrolet

B2590 Chevrolet Code - Left Cornering Lamp Circuit Short To Ground

Quick Answer

The cornering lamps are activated automatically at vehicle speeds below 25 MPH (40 km/h) when the turn signal/multifunction switch is placed in either the left or right turn positions and/or when the steering angle is changed from the straight-ahead position towards the side the vehicle is turning. Common causes include Faulty Left Cornering Lamp, Left Cornering Lamp harness is open or shorted, Left Cornering Lamp 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: B2590 Chevrolet indicates Left Cornering Lamp Circuit Short To Ground.
Common causes: Common causes include Faulty Left Cornering Lamp, Left Cornering Lamp harness is open or shorted, Left Cornering Lamp 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 866

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 Jan 01, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2590 Chevrolet Description

The cornering lamps are activated automatically at vehicle speeds below 25 MPH (40 km/h) when the turn signal/multifunction switch is placed in either the left or right turn positions and/or when the steering angle is changed from the straight-ahead position towards the side the vehicle is turning. When the Body Control Module (BCM) detects that one of these operations has occurred, the BCM responds to the cornering lamp request by applying voltage to cornering lamp control circuit illuminating the appropriate cornering lamp in the area that the vehicle is turning. The cornering lamps are deactivated automatically when the turn signal/multifunction switch is placed in the neutral position and/or the steering angle has returned in the straight-ahead position. The cornering lamps will not operate at vehicle speeds above 25 MPH (40 km/h).

OBDII Code B2590 Chevrolet - Left Cornering Lamp Circuit Short To Ground - AutoCodes.com — B2590 Chevrolet Code - Left Cornering Lamp Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B2590 Chevrolet?

Faulty Left Cornering Lamp
Left Cornering Lamp harness is open or shorted
Left Cornering Lamp circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B2590 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 B2590 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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Need more information on how to fix the B2590 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2590 Chevrolet code diagnosed by a professional: Find a repair shop in your area

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 B2590 Chevrolet Code

1. What are the common symptoms of OBDII code B2590 in a Chevrolet related to the Left Cornering Lamp Circuit Short To Ground?

The common symptoms include the left cornering lamp not functioning properly, or the lamp staying on continuously even when the vehicle is not turning.

2. What are the potential causes of the OBDII code B2590 in a Chevrolet indicating a Left Cornering Lamp Circuit Short To Ground?

Possible causes include a short circuit in the wiring harness leading to the left cornering lamp, a faulty lamp assembly, or a malfunctioning control module.

3. How can I diagnose the issue related to the OBDII code B2590 in a Chevrolet for the Left Cornering Lamp Circuit Short To Ground?

To diagnose the problem, you can start by visually inspecting the wiring harness for any visible damage or signs of a short circuit. Using a multimeter to test the continuity of the circuits can also help pinpoint the issue.

4. Can I repair the Left Cornering Lamp Circuit Short To Ground issue related to the OBDII code B2590 in a Chevrolet myself?

Depending on your level of expertise, you may be able to repair the problem yourself by fixing any damaged wiring, replacing the cornering lamp assembly if needed, or resetting the control module. However, if you are unsure, it's recommended to seek professional help.

5. Are there any specific tips to prevent the recurrence of the OBDII code B2590 in a Chevrolet for the Left Cornering Lamp Circuit Short To Ground?

To prevent the issue from happening again, make sure to check the wiring harness regularly for wear and tear, avoid overloading the circuit with additional accessories, and follow proper installation procedures when replacing any components.

6. Is it safe to continue driving my Chevrolet if I encounter the OBDII code B2590 indicating a Left Cornering Lamp Circuit Short To Ground?

It is not recommended to drive your vehicle with this issue, as it can affect the visibility of your vehicle to other drivers, especially during turns or low-light conditions. It's best to address the problem promptly to ensure your safety on the road.

7. How much does it typically cost to repair the Left Cornering Lamp Circuit Short To Ground problem associated with the OBDII code B2590 in a Chevrolet?

The cost of repairing this issue can vary depending on the extent of the damage and the specific components that need to be replaced. It's advisable to obtain quotes from different mechanics or service centers to get an accurate estimate.

8. Will resetting the OBDII code B2590 in a Chevrolet related to the Left Cornering Lamp Circuit Short To Ground solve the problem temporarily?

Resetting the code may temporarily turn off the warning light, but it won't fix the underlying issue causing the Left Cornering Lamp Circuit Short To Ground. It's important to address the root cause of the problem to prevent further issues.

9. Can extreme weather conditions contribute to triggering the OBDII code B2590 in a Chevrolet for the Left Cornering Lamp Circuit Short To Ground?

Yes, extreme weather conditions such as heavy rain, snow, or extreme temperatures can potentially damage the wiring harness or components related to the left cornering lamp, leading to a short circuit and triggering the B2590 trouble code.

10. How long does it usually take to repair the Left Cornering Lamp Circuit Short To Ground issue linked to the OBDII code B2590 in a Chevrolet?

The repair time can vary depending on the complexity of the problem and the availability of replacement parts. In general, it may take a few hours to a full day to diagnose and fix the Left Cornering Lamp Circuit Short To Ground issue in a Chevrolet.