AutoCodes – Generic – B2529

B2529 Code - Left Rear Turn Lamp Circuit Failure

Quick Answer

The Body Control Module (BCM) monitors the Left Rear Turn Lamp. Common causes include Faulty Left Rear Turn Lamp, Left Rear Turn Lamp harness is open or shorted, Left Rear Turn 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: B2529 indicates Left Rear Turn Lamp Circuit Failure.
Common causes: Common causes include Faulty Left Rear Turn Lamp, Left Rear Turn Lamp harness is open or shorted, Left Rear Turn 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 4,104

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 17, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2529 Description

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

OBDII Code B2529 - Left Rear Turn Lamp Circuit Failure - AutoCodes.com — B2529 Code - Left Rear Turn Lamp Circuit Failure

What does this mean?

What are the Possible Causes of the DTC B2529?

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

How to Fix the DTC B2529?

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 B2529 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 B2529 code?

Need more information on how to fix the B2529 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2529 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2529 Chrysler — Decklid Release Control Circuit Performance
B2529 Dodge — Decklid Release Control Circuit Performance
B2529 Lexus — Luggage Front Lock Switch Right Malfunction

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 B2529 Code

1. What are the common symptoms of OBDII code B2529 (Left Rear Turn Lamp Circuit Failure)?

- The common symptoms include the left rear turn signal not functioning properly, fast blinking of the turn signal, or a dashboard warning light indicating a fault.

2. What are the possible causes of OBDII code B2529?

- The code B2529 can be triggered by issues such as a burnt-out bulb, a faulty turn signal relay, damaged wiring, or a malfunctioning turn signal switch.

3. How can I diagnose the cause of OBDII code B2529 myself?

- You can start by visually inspecting the left rear turn signal bulb for any signs of damage. Check the wiring for any breaks or corrosion, and test the turn signal relay and switch for proper functionality.

4. Can a loose connection cause OBDII code B2529 to appear?

- Yes, a loose or poor connection in the left rear turn signal circuit can trigger the B2529 fault code. Ensure all connections are secure and free from corrosion.

5. How can I repair OBDII code B2529 (Left Rear Turn Lamp Circuit Failure)?

- Depending on the cause, you may need to replace the left rear turn signal bulb, repair damaged wiring, replace the turn signal relay, or address any issues with the turn signal switch.

6. Is it safe to continue driving with OBDII code B2529 illuminated?

- While it may be safe to drive with the code illuminated, it is important to address the issue promptly to ensure proper functioning of your vehicle's turn signals and maintain road safety.

7. Can extreme weather conditions contribute to triggering OBDII code B2529?

- Yes, extreme weather conditions such as heavy rain or snow can sometimes cause moisture to enter the turn signal circuit, leading to a temporary fault and triggering the B2529 code.

8. Should I reset the OBDII code B2529 after making repairs to the left rear turn lamp circuit?

- Yes, it is recommended to reset the code using an OBDII scanner after making any repairs to ensure the issue has been resolved and to clear the fault code from the vehicle's memory.

9. Are there any preventive maintenance tips to avoid OBDII code B2529 from occurring?

- Regularly inspecting and replacing turn signal bulbs, checking wiring connections for corrosion, and addressing any issues promptly can help prevent the occurrence of code B2529 in the future.

10. Can a faulty turn signal switch cause OBDII code B2529 to appear?

- Yes, a malfunctioning turn signal switch can disrupt the left rear turn lamp circuit and trigger the B2529 fault code. If other components check out fine, consider inspecting the turn signal switch.