Engine-Codes - Gmc - B1420 GMC

B1420 GMC Code - Device Voltage Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

|B1420 GMC code possible causes

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

|How is the B1420 GMC code repair?

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 B1420 GMC code

Labor: 1.0

The cost to diagnose the B1420 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 B1420 GMC code possible symptoms?

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

|What is B1420 GMC code meaning?

The Body Control Module (BCM) monitors the battery voltage on the battery voltage signal circuit. Damage to components and incorrect data may occur when the voltage is out of range.

|Need more information with the B1420 GMC code?

Need more information on how to fix the B1420 GMC code?
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|Need help with a B1420 GMC code?

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