AutoCodes – Buick – B2595 Buick

B2595 Buick Code - Right 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 Right Cornering Lamp, Right Cornering Lamp harness is open or shorted, Right 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: B2595 Buick indicates Right Cornering Lamp Circuit Short To Ground.
Common causes: Common causes include Faulty Right Cornering Lamp, Right Cornering Lamp harness is open or shorted, Right 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 596

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 B2595 Buick 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 B2595 Buick - Right Cornering Lamp Circuit Short To Ground - AutoCodes.com — B2595 Buick Code - Right Cornering Lamp Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B2595 Buick?

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

How to Fix the DTC B2595 Buick?

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 B2595 Buick 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 B2595 Buick Code

1. What does the OBDII code B2595 mean on a Buick?

The code B2595 indicates a "Right Cornering Lamp Circuit Short To Ground," meaning thereâ€™s an electrical fault in the wiring or components controlling the right cornering lamp.

2. What are the common symptoms of code B2595 in a Buick?

Symptoms include the right cornering lamp not working, a blown fuse, or warning lights on the dashboard related to the lighting system.

3. What causes code B2595 to appear?

The most common causes are damaged wiring, a short circuit to ground, a faulty bulb socket, or a defective control module for the cornering lamp.

4. Can I still drive my Buick with a B2595 code?

Yes, you can generally drive with this code, but the right cornering lamp will not function properly, which may reduce visibility during turns in low-light conditions.

5. How do I diagnose the cause of code B2595?

Start by inspecting the wiring and connectors for the right cornering lamp, checking for visible damage, corrosion, or loose connections. Use a multimeter to test for continuity and ground faults.

6. How can I fix the B2595 code on my Buick?

Repairs may involve replacing damaged wiring, fixing a short circuit, replacing the right cornering lamp bulb or socket, or repairing/replacing the lighting control module.

7. Can a blown fuse trigger the B2595 code?

Yes, a blown fuse for the right cornering lamp circuit can cause this code to appear, often due to an underlying short to ground.

8. How much does it cost to fix the B2595 code on a Buick?

The repair cost depends on the cause, ranging from $20 for a bulb replacement to $200 or more for wiring repairs or module replacement.

9. Can I clear the B2595 code without fixing the issue?

Clearing the code with a scan tool will only work temporarily. The code will return if the underlying issue isnâ€™t resolved.

10. Does the B2595 code affect other vehicle systems?

While this code typically only affects the cornering lamp, persistent electrical shorts could potentially impact other lighting circuits or related components.