AutoCodes – Chevrolet – C0306 2014 Chevrolet Silverado

C0306 2014 Chevrolet Silverado Code - Range Actuator Control Circuit

Quick Answer

The Transfer Case Motor, also known as the transfer case range actuator, is a bi-directional, permanent magnet, DC motor. Common causes include Faulty Transfer Case Motor (Transfer Case Two/Four Wheel Drive Actuator), Transfer Case Motor harness is open or shorted, Transfer Case Motor circuit poor electrical connection. 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: C0306 2014 Chevrolet Silverado indicates Range Actuator Control Circuit.
Common causes: Common causes include Faulty Transfer Case Motor (Transfer Case Two/Four Wheel Drive Actuator), Transfer Case Motor harness is open or shorted, Transfer Case Motor circuit poor electrical connection.
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 422

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Jul 05, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0306 2014 Chevrolet Silverado Description

The Transfer Case Motor, also known as the transfer case range actuator, is a bi-directional, permanent magnet, DC motor. When energized, through the transfer case clockwise circuit or transfer case counterclockwise circuit, the ground is provided by the opposing motor control circuit which becomes grounded through the transfer case control module ground circuit. The transfer case range actuator, through a series of gears, rotates the transfer case control actuator shaft which moves the transfer case two/four-wheel drive actuator cam and transfer case high/low shift fork in order to shift the transfer case between the following modes or ranges: 2WD, 4WD/AWD Automatic, 4WD High/Locked, 4WD Low and Neutral.

OBDII Code C0306 2014 Chevrolet Silverado - Range Actuator Control Circuit - AutoCodes.com — C0306 2014 Chevrolet Silverado Code - Range Actuator Control Circuit

What does this mean?

What are the Possible Causes of the DTC C0306 2014 Chevrolet Silverado?

Faulty Transfer Case Motor (Transfer Case Two/Four Wheel Drive Actuator)
Transfer Case Motor harness is open or shorted
Transfer Case Motor circuit poor electrical connection
Faulty Transfer Case Control Module

How to Fix the DTC C0306 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 C0306 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 C0306 2014 Chevrolet Silverado code?

Need more information on how to fix the C0306 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0306 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 C0306 2014 Chevrolet Silverado Code

1. What does OBDII code C0306 for a 2014 Chevrolet Silverado indicate?

The code C0306 on a 2014 Chevrolet Silverado refers to an issue with the Range Actuator Control Circuit.

2. What are the common symptoms of a Range Actuator Control Circuit malfunction?

Common symptoms of a C0306 code on a 2014 Chevrolet Silverado may include erratic shifting, difficulty changing gears, or the vehicle getting stuck in a particular gear.

3. What are the possible causes of OBDII code C0306 on a 2014 Chevrolet Silverado?

Potential causes of the C0306 code on a 2014 Chevrolet Silverado include a faulty range actuator, damaged wiring or connectors in the control circuit, or a malfunctioning transmission control module.

4. How can I diagnose the issue causing OBDII code C0306 on my 2014 Chevrolet Silverado?

Diagnosing the C0306 code may involve conducting a thorough inspection of the range actuator, checking the wiring and connectors for any damage, and using a scan tool to gather data from the transmission control module.

5. Is it safe to continue driving my 2014 Chevrolet Silverado with OBDII code C0306 present?

It is not recommended to drive your 2014 Chevrolet Silverado with the C0306 code active, as it can lead to further transmission issues and potentially cause safety concerns on the road.

6. Can I repair OBDII code C0306 on my 2014 Chevrolet Silverado myself?

Repairing the C0306 code on a 2014 Chevrolet Silverado may require advanced diagnostic tools and knowledge of transmission systems. It is advisable to seek assistance from a qualified mechanic for proper diagnosis and repair.

7. How much can I expect to pay to fix OBDII code C0306 on my 2014 Chevrolet Silverado?

The cost of repairing the C0306 code on a 2014 Chevrolet Silverado can vary depending on the exact cause of the issue, parts needed for replacement, and labor rates in your area. It is recommended to obtain quotes from different auto repair shops.

8. Are there any maintenance tips to prevent OBDII code C0306 from reoccurring on my 2014 Chevrolet Silverado?

Regularly servicing your transmission, checking for any signs of wear or damage, and addressing any issues promptly can help prevent the recurrence of the C0306 code on your 2014 Chevrolet Silverado.

9. Will resetting the OBDII system clear the C0306 code on my 2014 Chevrolet Silverado?

Resetting the OBDII system may clear the code temporarily, but if the underlying issue causing the C0306 code is not addressed, it is likely to reappear. It is essential to diagnose and fix the root cause of the problem.

10. How long does it typically take to repair OBDII code C0306 on a 2014 Chevrolet Silverado?

The repair time for the C0306 code on a 2014 Chevrolet Silverado can vary based on the exact cause of the issue, availability of parts, and the expertise of the mechanic. It is advisable to consult with a professional for an accurate estimate of repair time.