Engine-Codes - Chevrolet - B1420 CHEVROLET

B1420 CHEVROLET Code - Device Voltage Circuit

- Code Popularity: 10,043 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the B1420 CHEVROLET Code?

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

|How to Fix the B1420 CHEVROLET 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.

|B1420 CHEVROLET code tech notes





User Submitted Video

|What is the cost to diagnose the B1420 CHEVROLET code?

Labor: 1.0

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

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

|What Does the B1420 CHEVROLET Code Mean?

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.

Device Voltage Circuit

|Need more information with the B1420 CHEVROLET code?

Need more information on how to fix the B1420 CHEVROLET code?
Get Access to Factory Service Manuals

|Need help with a B1420 CHEVROLET code?

Get the B1420 Chevrolet code diagnosed by a professional: Find a repair shop in your area