AutoCodes – Chevrolet – B0533 Chevrolet

B0533 Chevrolet Code - Left Turn Signal Circuit High

Quick Answer

When the Body Control Module (BCM) receives a left turn signal ON command from the turn signal switch, the BCM will apply voltage to the left rear stop/turn lamp supply voltage circuit and left turn signal lamps supply voltage circuit. Common causes include Faulty Left Turn Signal Lamp Bulb, Left Turn Signal Lamp Bulb harness is open or shorted, Left 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
B0533 Chevrolet indicates Left Turn Signal Circuit High.
Common causes
Common causes include Faulty Left Turn Signal Lamp Bulb, Left Turn Signal Lamp Bulb harness is open or shorted, Left 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 5,754
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 B0533 Chevrolet Description

When the Body Control Module (BCM) receives a left turn signal ON command from the turn signal switch, the BCM will apply voltage to the left rear stop/turn lamp supply voltage circuit and left 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 left rear stop/turn lamp supply voltage circuit. The Diagnostic Trouble Code (DTC) is set when the left front and/or left rear turn signals will not operate or will remain always ON.
OBDII Code B0533 Chevrolet - Left Turn Signal Circuit High - AutoCodes.com
B0533 Chevrolet Code - Left Turn Signal Circuit High

What are the Possible Causes of the DTC B0533 Chevrolet?

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

How to Fix the DTC B0533 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 B0533 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.

Need more information about the B0533 Chevrolet code?

Need more information on how to fix the B0533 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B0533 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 B0533 Chevrolet Code

1. What are the common symptoms of OBDII code B0533 in a Chevrolet related to the left turn signal circuit high?

- The common symptoms include the left turn signal not functioning properly or staying on constantly without blinking.

2. What can cause the OBDII code B0533 in a Chevrolet indicating a high left turn signal circuit?

- Possible causes of this code include a faulty turn signal switch, a short circuit in the wiring, or a malfunctioning body control module.

3. How can I diagnose the OBDII code B0533 in a Chevrolet for the left turn signal circuit high?

- You can start by visually inspecting the turn signal switch and wiring for any visible damage. Using a multimeter to test the circuit continuity can help pinpoint the issue.

4. Is it safe to continue driving my Chevrolet with the OBDII code B0533 related to the left turn signal circuit high?

- It is not recommended to drive the vehicle with this code as it can affect the proper functioning of the turn signal, potentially leading to unsafe driving conditions.

5. What are some repair tips for fixing the OBDII code B0533 in a Chevrolet for the left turn signal circuit high?

- Repair tips may include replacing the turn signal switch, repairing any damaged wiring, or reprogramming the body control module if necessary.

6. Can a DIY enthusiast fix the OBDII code B0533 indicating a high left turn signal circuit in a Chevrolet?

- Depending on the level of expertise, a DIY enthusiast may be able to diagnose and repair this code by following a repair manual or seeking guidance from online resources.

7. Will resetting the OBDII codes clear out the B0533 code related to the left turn signal circuit high in a Chevrolet?

- Resetting the codes may temporarily clear the error, but if the underlying issue is not fixed, the code is likely to reappear after driving the vehicle.

8. How much does it typically cost to repair the OBDII code B0533 in a Chevrolet for the high left turn signal circuit?

- The cost of repairs can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

9. Are there any recalls or service bulletins related to the OBDII code B0533 in Chevrolet vehicles for the left turn signal circuit high?

- It's recommended to check with a Chevrolet dealership or online databases to see if there are any relevant recalls or service bulletins addressing this specific OBDII code.

10. Can weather conditions or external factors trigger the OBDII code B0533 in a Chevrolet for the left turn signal circuit high?

- Extreme weather conditions or water exposure can potentially cause electrical issues leading to the B0533 code, so it's important to keep the vehicle protected and well-maintained.

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