AutoCodes – Chevrolet – B1439 2014 Chevrolet Silverado

B1439 2014 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 2014 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 267

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
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Code B1439 2014 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 2014 Chevrolet Silverado - Intermittent Device Voltage - AutoCodes.com — B1439 2014 Chevrolet Silverado Code - Intermittent Device Voltage

What does this mean?

What are the Possible Causes of the DTC B1439 2014 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 2014 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 2014 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 2014 Chevrolet Silverado code?

Need more information on how to fix the B1439 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1439 2014 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 B1439 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B1439 in a 2014 Chevrolet Silverado?

The common symptoms include intermittent issues with the device voltage, such as flickering lights or erratic behavior of electrical components.

2. What does the OBDII code B1439 indicate in a 2014 Chevrolet Silverado?

OBDII code B1439 indicates an intermittent problem with the device voltage in the vehicle.

3. What are some possible causes of OBDII code B1439 in a 2014 Chevrolet Silverado?

Possible causes of this code may include loose electrical connections, a failing alternator, a faulty voltage regulator, or a weak battery.

4. How can I diagnose the intermittent device voltage issue related to OBDII code B1439 in my 2014 Chevrolet Silverado?

To diagnose the issue, it is recommended to perform a thorough inspection of the battery, alternator, voltage regulator, and all related electrical connections.

5. Can I continue driving my 2014 Chevrolet Silverado with OBDII code B1439?

It is not recommended to continue driving the vehicle with this code, as it can lead to further electrical problems or potential stalling of the vehicle.

6. How can I repair OBDII code B1439 in my 2014 Chevrolet Silverado?

Repair options may include tightening loose connections, replacing a faulty alternator or voltage regulator, or upgrading the battery if necessary.

7. Is it possible to reset OBDII code B1439 in a 2014 Chevrolet Silverado without addressing the underlying issue?

Resetting the code without fixing the root cause will likely result in the code reappearing once the issue resurfaces.

8. Will OBDII code B1439 in a 2014 Chevrolet Silverado cause any long-term damage if left untreated?

Leaving the issue unaddressed can potentially lead to more severe electrical problems, so it is advisable to diagnose and repair the problem promptly.

9. Can extreme weather conditions affect the occurrence of OBDII code B1439 in a 2014 Chevrolet Silverado?

Yes, extreme temperatures or weather conditions can sometimes exacerbate electrical issues leading to the intermittent device voltage problem associated with this code.

10. How much can I expect to pay for repairs related to OBDII code B1439 in a 2014 Chevrolet Silverado?

The cost of repairs can vary depending on the specific cause of the issue, but it is recommended to consult with a professional mechanic for an accurate estimate.