AutoCodes – Chevrolet – B1390 2016 Chevrolet Silverado

B1390 2016 Chevrolet Silverado Code - Control Module Supply Circuit 1

Quick Answer

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Common causes include Low battery voltage, Faulty Control Module, Control Module harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B1390 2016 Chevrolet Silverado indicates Control Module Supply Circuit 1.
Common causes: Common causes include Low battery voltage, Faulty Control Module, Control Module harness is open or shorted.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 369

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 11, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B1390 2016 Chevrolet Silverado Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Damage to components, and incorrect data can occur when the voltage is out of range. The vehicle has multiple Control Modules that will set this Diagnostic Trouble Code (DTC).

OBDII Code B1390 2016 Chevrolet Silverado - Control Module Supply Circuit 1 - AutoCodes.com — B1390 2016 Chevrolet Silverado Code - Control Module Supply Circuit 1

What does this mean?

What are the Possible Causes of the DTC B1390 2016 Chevrolet Silverado?

Low battery voltage
Faulty Control Module
Control Module harness is open or shorted
Control Module circuit poor electrical connection

How to Fix the DTC B1390 2016 Chevrolet Silverado?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1390 2016 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1390 2016 Chevrolet Silverado code?

Need more information on how to fix the B1390 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1390 2016 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1390 2016 Chevrolet Silverado Code

1. What does OBDII code B1390 for a 2016 Chevrolet Silverado mean?

The B1390 code indicates a problem with the Control Module Supply Circuit 1 in the vehicle.

2. What are the common symptoms of OBDII code B1390 in a 2016 Chevrolet Silverado?

Common symptoms of code B1390 may include issues with starting the vehicle, erratic engine performance, or the illumination of the Check Engine Light.

3. What are the possible causes of OBDII code B1390 in a 2016 Chevrolet Silverado?

Potential causes of code B1390 can include a faulty control module, damaged wiring or connectors, a blown fuse, or a weak battery.

4. How can I diagnose OBDII code B1390 in my 2016 Chevrolet Silverado?

To diagnose code B1390, a thorough inspection of the control module, wiring, connectors, and related components is necessary. Using a diagnostic scanner to retrieve additional fault codes can also help pinpoint the issue.

5. How can I repair OBDII code B1390 in a 2016 Chevrolet Silverado?

Repairing code B1390 may involve replacing the faulty control module, repairing damaged wiring or connectors, replacing blown fuses, or addressing any underlying battery issues.

6. Can I drive my 2016 Chevrolet Silverado with OBDII code B1390?

It is not recommended to drive your vehicle with an active B1390 code, as it can lead to further damage or safety concerns. It is best to address the issue promptly.

7. How much does it cost to fix OBDII code B1390 in a 2016 Chevrolet Silverado?

The cost of repairing code B1390 can vary depending on the exact cause of the issue and the labor rates in your area. It is advisable to consult a professional mechanic for an accurate estimate.

8. Will disconnecting the battery reset OBDII code B1390 in a 2016 Chevrolet Silverado?

Disconnecting the battery may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear. It is best to diagnose and repair the root cause of the problem.

9. Is OBDII code B1390 common in 2016 Chevrolet Silverado vehicles?

While B1390 is not one of the most common OBDII codes, it can still occur in 2016 Chevrolet Silverado vehicles due to various electrical issues.

10. Can a DIY enthusiast fix OBDII code B1390 in a 2016 Chevrolet Silverado?

Depending on the DIY enthusiast's skill level and access to tools, it may be possible to address some causes of code B1390, such as checking and replacing fuses or inspecting wiring. However, more complex issues may require professional assistance.