AutoCodes – Generic – B2571

B2571 Code - Left Lamp Outage Signal Circuit Short to Ground

Quick Answer

The Body Control Module (BCM) monitors the Left Lamp Outage Signal Circuit. Common causes include Faulty Left Lamp Outage, Left Lamp Outage harness is open or shorted, Left Lamp Outage 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: B2571 indicates Left Lamp Outage Signal Circuit Short to Ground.
Common causes: Common causes include Faulty Left Lamp Outage, Left Lamp Outage harness is open or shorted, Left Lamp Outage 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 3,506

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 Dec 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2571 Description

The Body Control Module (BCM) monitors the Left Lamp Outage Signal Circuit. The BCM sets the OBDII code when the Left Lamp Outage Signal Circuit is not to factory specifications.

OBDII Code B2571 - Left Lamp Outage Signal Circuit Short to Ground - AutoCodes.com — B2571 Code - Left Lamp Outage Signal Circuit Short to Ground

What does this mean?

What are the Possible Causes of the DTC B2571?

Faulty Left Lamp Outage
Left Lamp Outage harness is open or shorted
Left Lamp Outage circuit poor electrical connection

How to Fix the DTC B2571?

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 B2571 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 B2571 code?

Need more information on how to fix the B2571 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2571 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 B2571 Code

1. What are the common symptoms of OBDII code B2571 (Left Lamp Outage Signal Circuit Short to Ground)?

The common symptoms include the left lamp not functioning properly, a warning light on the dashboard, and potential issues with the vehicle's lighting system.

2. What are the possible causes of OBDII code B2571?

Possible causes include a short to ground in the left lamp outage signal circuit, damaged wiring or connectors, a faulty lamp control module, or a problem with the left lamp itself.

3. How can I diagnose the cause of OBDII code B2571?

You can diagnose the issue by visually inspecting the wiring and connectors for damage, testing the left lamp for functionality, checking the lamp control module, and using a multimeter to test for shorts to ground.

4. What are some repair tips for fixing OBDII code B2571?

Repair tips may include repairing or replacing damaged wiring and connectors, replacing the left lamp if necessary, testing and potentially replacing the lamp control module, and clearing the code with an OBDII scanner.

5. Can OBDII code B2571 cause other issues in the vehicle?

While the code itself typically only affects the left lamp outage signal circuit, it is important to address the issue promptly to prevent any potential safety hazards or further electrical problems in the vehicle.

6. Is it safe to drive with OBDII code B2571 present?

It is not recommended to drive with this code present, as it may indicate a problem with the vehicle's lighting system, which can affect visibility and safety on the road.

7. How can I prevent OBDII code B2571 from recurring?

Regularly inspecting the vehicle's lighting system, maintaining proper wiring connections, and addressing any issues with the left lamp promptly can help prevent the code from recurring.

8. Can I clear OBDII code B2571 without fixing the issue?

While you can clear the code with an OBDII scanner, it is important to fix the underlying issue causing the code to prevent potential safety hazards and ensure the proper functioning of the vehicle's lighting system.

9. How much does it typically cost to repair OBDII code B2571?

The cost of repairing this code can vary depending on the specific cause of the issue, the labor rates of the repair shop, and the cost of any replacement parts needed, such as wiring, connectors, or a lamp control module.

10. Is it necessary to visit a mechanic for OBDII code B2571 repair?

While some DIY enthusiasts may be able to diagnose and repair this code themselves, it is recommended to consult a qualified mechanic, especially if you are not familiar with automotive electrical systems or troubleshooting techniques.