Engine-Codes - Hummer - B0533 Hummer

B0533 Hummer Code - Left Turn Signal Circuit High

- Code Popularity: 2,049 Views
- Repair Importance Level: 1/3
- Repair Difficulty Level: 2/3
Table of contents
ChatAC AutoCodes.com AI Chat

What are the Possible Causes of the DTC B0533 Hummer?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • 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)
⚠ Does your Hummer have Safety Recalls? → Check here

How to Fix the DTC B0533 Hummer?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Search for B0533 Hummer Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the B0533 Hummer code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the B0533 Hummer Code Mean?

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.

B0533 Hummer Code - Left Turn Signal Circuit High

Need more Information on the Code?

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

Need Help with the Code?

Get the B0533 Hummer code diagnosed by a professional: Find a repair shop in your area