AutoCodes – Chevrolet – B1439 2017 Chevrolet Silverado

B1439 2017 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 2017 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 230

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 2017 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 2017 Chevrolet Silverado - Intermittent Device Voltage - AutoCodes.com — B1439 2017 Chevrolet Silverado Code - Intermittent Device Voltage

What does this mean?

What are the Possible Causes of the DTC B1439 2017 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 2017 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 2017 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 2017 Chevrolet Silverado code?

Need more information on how to fix the B1439 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1439 2017 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 2017 Chevrolet Silverado Code

1. What are common symptoms of OBDII code B1439 in a 2017 Chevrolet Silverado?

- Common symptoms include intermittent issues with device voltage, such as flickering lights or erratic electrical behavior.

2. What could cause the OBDII code B1439 in a 2017 Chevrolet Silverado?

- The code B1439 is typically triggered by intermittent voltage fluctuations in the vehicle's electrical system, often due to loose connections or faulty components.

3. How can I diagnose the issue related to OBDII code B1439 in my 2017 Chevrolet Silverado?

- To diagnose the problem, it is important to perform a thorough inspection of the vehicle's wiring, connectors, and electrical components to identify any loose connections or damaged parts.

4. Is it safe to continue driving my 2017 Chevrolet Silverado with the OBDII code B1439?

- It is not recommended to drive the vehicle with unresolved electrical issues, as it may lead to further damage or safety hazards. It is best to address the problem promptly.

5. Are there any DIY repair tips for fixing the OBDII code B1439 in a 2017 Chevrolet Silverado?

- DIY repair tips include checking and tightening any loose connections, inspecting fuses, and replacing any damaged electrical components identified during the diagnostic process.

6. Can weather conditions affect the occurrence of OBDII code B1439 in a 2017 Chevrolet Silverado?

- Yes, extreme weather conditions like temperature changes or moisture can sometimes exacerbate electrical issues leading to the intermittent device voltage problem.

7. How much does it typically cost to repair OBDII code B1439 in a 2017 Chevrolet Silverado?

- The cost of repair can vary depending on the extent of the electrical issue and whether any components need to be replaced. It is advisable to consult a professional for an accurate estimate.

8. Will resetting the OBDII code B1439 clear the issue permanently in a 2017 Chevrolet Silverado?

- Simply resetting the code may temporarily clear the warning light, but if the underlying electrical problem is not fixed, the code is likely to reappear.

9. Can a weak battery cause the OBDII code B1439 in a 2017 Chevrolet Silverado?

- Yes, a weak or failing battery can lead to voltage fluctuations and trigger the OBDII code B1439. It is recommended to test and replace the battery if necessary.

10. Is it necessary to visit a dealership for repairs related to OBDII code B1439 in a 2017 Chevrolet Silverado?

- While dealerships have specialized knowledge, independent automotive shops with experience in electrical diagnostics can also effectively diagnose and repair issues related to the code B1439.