AutoCodesChevrolet – B0528 Chevrolet

B0528 Chevrolet Code - Right Turn Signal Circuit High

Quick Answer

When the Body Control Module (BCM) receives a right turn signal ON command from the turn signal switch, the BCM will apply voltage to the right rear stop/turn lamp supply voltage circuit and right turn signal lamps supply voltage circuit. Common causes include Faulty Right Turn Signal Lamp Bulb, Right Turn Signal Lamp Bulb harness is open or shorted, Right Turn Signal Lamp Bulb circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
B0528 Chevrolet indicates Right Turn Signal Circuit High.
Common causes
Common causes include Faulty Right Turn Signal Lamp Bulb, Right Turn Signal Lamp Bulb harness is open or shorted, Right Turn Signal Lamp Bulb circuit poor electrical connection.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code Popularity 7,893
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 18, 2024
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Code B0528 Chevrolet Description

When the Body Control Module (BCM) receives a right turn signal ON command from the turn signal switch, the BCM will apply voltage to the right rear stop/turn lamp supply voltage circuit and right turn signal lamps supply voltage circuit. The turn signal flasher is integrated within the BCM and will flash both circuits simultaneously. The turn signal indicator is also illuminated utilizing the right rear stop/turn lamp supply voltage circuit. The Diagnostic Trouble Code (DTC) is set when the right front and/or right rear turn signals will not operate or will remain always ON.
OBDII Code B0528 Chevrolet - Right Turn Signal Circuit High - AutoCodes.com
B0528 Chevrolet Code - Right Turn Signal Circuit High

What are the Possible Causes of the DTC B0528 Chevrolet?

  • Faulty Right Turn Signal Lamp Bulb
  • Right Turn Signal Lamp Bulb harness is open or shorted
  • Right Turn Signal Lamp Bulb circuit poor electrical connection
  • Faulty Instrument Panel Cluster (IPC)
  • Faulty Body Control Module (BCM)

How to Fix the DTC B0528 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 B0528 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 B0528 Chevrolet Code

1. What does the OBDII code B0528 mean on a Chevrolet?

B0528 indicates a "Right Turn Signal Circuit High" fault, meaning the vehicle's computer has detected an issue with the electrical circuit for the right turn signal.

2. What are the common symptoms of a B0528 code?

Symptoms may include the right turn signal not working, blinking too fast, or not blinking at all, as well as a possible warning light or message on the dashboard.

3. What causes the B0528 code to appear on a Chevrolet?

Common causes include a faulty turn signal bulb, damaged wiring or connectors in the right turn signal circuit, a malfunctioning turn signal switch, or a failed Body Control Module (BCM).

4. Can a faulty bulb cause the B0528 code?

Yes, a burned-out or incorrect right turn signal bulb can cause the circuit to register high resistance, triggering the B0528 code.

5. How do I diagnose the B0528 code on my Chevrolet?

Start by inspecting the right turn signal bulb, socket, and wiring for damage or corrosion. Use a multimeter to check for proper voltage and continuity in the circuit. If no issues are found, further testing of the turn signal switch and BCM may be required.

6. Can I drive my Chevrolet with a B0528 code?

While the vehicle may still be drivable, the right turn signal may not function correctly, creating a safety hazard. It’s important to address the issue as soon as possible.

7. How do I fix the B0528 code on my Chevrolet?

Repairs may include replacing a faulty bulb, repairing damaged wiring, cleaning corroded connectors, or replacing a defective turn signal switch or BCM if needed.

8. Will clearing the B0528 code fix the issue?

Clearing the code will remove it temporarily, but if the underlying issue isn’t resolved, the code will return once the fault is detected again.

9. How much does it cost to repair a B0528 code on a Chevrolet?

Repair costs vary depending on the root cause. Replacing a turn signal bulb or repairing wiring may cost $20–$100, while replacing a BCM or turn signal switch can cost $200–$600 or more.

10. Can a B0528 code cause other electrical problems?

If left unresolved, it may lead to further issues in the vehicle’s lighting system or cause other circuits controlled by the BCM to malfunction.

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