Control Module Voltage Reference Output 5 Circuit


Table of contents

B1529 GMC Possible Causes

  • Faulty Steering Wheel Controls Switch
  • Steering Wheel Controls Switch harness is open or shorted
  • Steering Wheel Controls Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How do I fix code B1529 GMC?

  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’s pins.

Tech Notes

  • B1529 03: Control Module Voltage Reference Output 5 Circuit Low Voltage
  • B1529 07: Control Module Voltage Reference Output 5 Circuit High Voltage

Cost of diagnosing the B1529 GMC code

  The cost of diagnosing the B1529 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

B1529 GMC Description

  The Body Control Module (BCM) supplies voltage to the steering wheel control switches and monitors the reindicator. Each switch state is associated to a set resistance value and when pressed a specific voltage drop occurs across the resistor unique to the switch. The BCM identifies the switch selection and activates the feature.

Leave a Reply

Your email address will not be published. Required fields are marked *