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B1390 2016 Chevrolet Silverado Code - Control Module Supply Circuit 1

Quick Answer

The B1390 diagnostic trouble code for a 2016 Chevrolet Silverado relates to the Control Module Supply Circuit 1. Common causes include Faulty wiring or connections in the Control Module Supply Circuit 1, Defective control module, Issues with the power supply to the control module. 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 Faulty wiring or connections in the Control Module Supply Circuit 1, Defective control module, Issues with the power supply to the control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code B1390 2016 Chevrolet Silverado Description

The B1390 diagnostic trouble code for a 2016 Chevrolet Silverado relates to the Control Module Supply Circuit 1. This code indicates that there is a malfunction in the circuit responsible for supplying power to a specific control module in the vehicle. In this case, Control Module Supply Circuit 1 refers to the power supply circuit for a particular control module, which could be crucial for the operation of various systems in the vehicle.

OBDII Code B1390 2016 Chevrolet Silverado - Control Module Supply Circuit 1
B1390 2016 Chevrolet Silverado Code - Control Module Supply Circuit 1

Common Causes of B1390 2016 Chevrolet Silverado

  1. Faulty wiring or connections in the Control Module Supply Circuit 1
  2. Defective control module
  3. Issues with the power supply to the control module
  4. Corrosion or damage to electrical components in the circuit
  5. Faulty battery or alternator affecting power supply

Symptoms of B1390 2016 Chevrolet Silverado

  1. Check engine light illuminated on the dashboard
  2. Erratic behavior or malfunctioning of certain vehicle systems
  3. Loss of functionality in specific features controlled by the affected control module
  4. Vehicle stalling or difficulty starting
  5. Reduced fuel efficiency or performance

How to Fix B1390 2016 Chevrolet Silverado

  1. Begin by conducting a thorough inspection of the Control Module Supply Circuit 1 to identify any visible damage, loose connections, or corrosion.
  2. Test the power supply to the control module to ensure it is functioning correctly.
  3. Check the control module for any signs of damage or malfunction and replace if necessary.
  4. Repair or replace any faulty wiring, connectors, or electrical components in the circuit.
  5. Clear the diagnostic trouble codes and test the vehicle to ensure the issue has been resolved.

Cost to Fix B1390 2016 Chevrolet Silverado

The typical repair costs for addressing the B1390 code on a 2016 Chevrolet Silverado can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the cost of parts and labor for this repair could range from $200 to $500. However, it is important to note that diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is recommended to check with local repair shops for a more accurate estimate.

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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.

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