AutoCodes – Chevrolet – C038D 2018 Chevrolet Silverado

C038D 2018 Chevrolet Silverado Code - Range Actuator Position Not Learned

Quick Answer

This is an internal programming fault detection of the transfer case control module. Common causes include Perform Range Actuator Learn Procedure. 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: C038D 2018 Chevrolet Silverado indicates Range Actuator Position Not Learned.
Common causes: Common causes include Perform Range Actuator Learn Procedure.
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 278

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, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C038D 2018 Chevrolet Silverado Description

This is an internal programming fault detection of the transfer case control module. No external circuits are involved.
This Diagnostic Trouble Code (DTC) is set anytime a transfer case control module is replaced or reprogrammed. The Range Actuator Learn procedure must be performed in order for the transfer case control module to learn current clutch tolerance based on clutch stack up and accumulated clutch wear.

OBDII Code C038D 2018 Chevrolet Silverado - Range Actuator Position Not Learned - AutoCodes.com — C038D 2018 Chevrolet Silverado Code - Range Actuator Position Not Learned

What does this mean?

What are the Possible Causes of the DTC C038D 2018 Chevrolet Silverado?

Perform Range Actuator Learn Procedure

How to Fix the DTC C038D 2018 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 C038D 2018 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 C038D 2018 Chevrolet Silverado code?

Need more information on how to fix the C038D 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C038D 2018 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 C038D 2018 Chevrolet Silverado Code

1. What does the OBDII code C038D for a 2018 Chevrolet Silverado indicate?

The code C038D on a 2018 Chevrolet Silverado points to an issue with the Range Actuator Position Not Learned.

2. What are common symptoms of the Range Actuator Position Not Learned issue in a 2018 Chevrolet Silverado?

Common symptoms include rough shifting, hesitation during acceleration, and potential transmission-related warning lights on the dashboard.

3. What are the possible causes of the Range Actuator Position Not Learned error code on a 2018 Chevrolet Silverado?

Potential causes include a faulty range actuator, damaged wiring or connectors, low transmission fluid, or a malfunctioning transmission control module.

4. How can I diagnose the Range Actuator Position Not Learned problem in my 2018 Chevrolet Silverado?

Diagnosis typically involves using a professional OBDII scanner to read the trouble codes, checking the transmission fluid level and condition, and inspecting the range actuator and related components for any visible damage.

5. Can I continue driving my 2018 Chevrolet Silverado with the C038D code present?

It is not recommended to continue driving with the Range Actuator Position Not Learned issue, as it can lead to further damage to the transmission and potentially unsafe driving conditions.

6. How can I reset the Range Actuator Position on my 2018 Chevrolet Silverado?

To reset the range actuator position, you may need to perform a transmission relearn procedure using a compatible diagnostic tool or seek assistance from a professional mechanic.

7. What are some tips for repairing the Range Actuator Position Not Learned problem on a 2018 Chevrolet Silverado?

Repair tips may include checking and repairing any damaged wiring or connectors, ensuring proper transmission fluid levels, and recalibrating the range actuator position as needed.

8. Is it possible to fix the Range Actuator Position Not Learned issue in a 2018 Chevrolet Silverado without professional help?

While some basic checks and procedures can be done by DIY enthusiasts, resolving complex transmission issues like this often requires the expertise of a qualified mechanic.

9. How much does it typically cost to repair the Range Actuator Position Not Learned issue in a 2018 Chevrolet Silverado?

The cost of repairs can vary depending on the exact cause of the problem, but it may involve expenses for parts replacement, diagnostic services, and labor charges from a repair shop.

10. Will fixing the Range Actuator Position Not Learned problem in my 2018 Chevrolet Silverado improve its performance and drivability?

Yes, addressing the Range Actuator Position Not Learned issue can help restore smooth shifting, improve acceleration, and ensure the overall health and longevity of the transmission system in your Chevrolet Silverado.