Engine-Codes - Gmc - B0534 GMC

B0534 GMC Code - Left Turn Signal Circuit Open

- Code Popularity: 1,070 Views
- Repair Importance Level: 1/3
- Repair Difficulty Level: 2/3
Table of contents

|What are the Possible Causes of the B0534 GMC Code?

  • 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 B0534 GMC Code?

Start by checking 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's pins.

|What is the cost to diagnose the B0534 GMC code?

Labor: 1.0

The cost to diagnose the B0534 GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are B0534 GMC code possible symptoms?

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

|What Does the B0534 GMC 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.

Left Turn Signal Circuit Open

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