AutoCodesChevrolet – B1439 2016 Chevrolet Silverado

B1439 2016 Chevrolet Silverado Code - Intermittent Device Voltage

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
B1439 2016 Chevrolet Silverado indicates Intermittent Device Voltage.
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.
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Code Popularity 259
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 11, 2022
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Code B1439 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 B1439 2016 Chevrolet Silverado - Intermittent Device Voltage - AutoCodes.com
B1439 2016 Chevrolet Silverado Code - Intermittent Device Voltage

What are the Possible Causes of the DTC B1439 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 B1439 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 B1439 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 B1439 2016 Chevrolet Silverado code?

Need more information on how to fix the B1439 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 B1439 2016 Chevrolet Silverado Code

1. What does the OBDII code B1439 mean on a 2016 Chevrolet Silverado?

Code B1439 indicates an "Intermittent Device Voltage" issue, which suggests a problem with inconsistent or unstable voltage in a connected device or circuit.

2. What are the common symptoms of the B1439 code on a 2016 Chevrolet Silverado?

Symptoms may include intermittent electrical issues, warning lights on the dashboard, or malfunctioning components like sensors or actuators.

3. What causes the B1439 code in a 2016 Chevrolet Silverado?

Common causes include loose or corroded electrical connections, damaged wiring, a failing battery, or a malfunctioning control module.

4. Can a weak battery cause the B1439 code on a 2016 Chevrolet Silverado?

Yes, a weak or dying battery can cause voltage fluctuations, triggering the B1439 code.

5. How do you diagnose the B1439 code on a 2016 Chevrolet Silverado?

Diagnosis involves inspecting the affected circuits, checking for loose or corroded connections, testing the battery and alternator, and scanning for additional codes.

6. Is it safe to drive a 2016 Chevrolet Silverado with the B1439 code?

While the vehicle may still be drivable, intermittent voltage issues could lead to further electrical failures, so it’s best to address the problem promptly.

7. How do you fix the B1439 code on a 2016 Chevrolet Silverado?

Repairs may include tightening or cleaning electrical connectors, repairing damaged wiring, replacing the battery, or reprogramming a faulty control module.

8. Can a faulty alternator cause the B1439 code on a 2016 Chevrolet Silverado?

Yes, a failing alternator can cause voltage irregularities, which may result in the B1439 code.

9. Does the B1439 code require a professional mechanic to fix?

While some issues like checking connectors or the battery can be done at home, complex problems such as control module issues may require a professional.

10. How much does it cost to fix the B1439 code on a 2016 Chevrolet Silverado?

The cost varies depending on the issue, ranging from $50 for simple fixes like cleaning connections to $500 or more for replacing a control module.

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