C0381 2017 GMC Sierra Code - Range Actuator System Performance High Temperature
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
- C0381 2017 GMC Sierra indicates Range Actuator System Performance High Temperature.
- 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.
Code C0381 2017 GMC Sierra Description
What are the Possible Causes of the DTC C0381 2017 GMC Sierra?
- 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 C0381 2017 GMC Sierra?
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 C0381 2017 GMC Sierra 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.
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Frequently Asked Questions about C0381 2017 GMC Sierra Code
1. What does OBDII code C0381 mean on a 2017 GMC Sierra?
C0381 indicates a problem with the range actuator system, specifically related to performance issues caused by high temperature.
2. What are the common symptoms of code C0381 in a 2017 GMC Sierra?
Symptoms may include the "Service 4WD" message on the dashboard, difficulty shifting between drive modes, or the vehicle being stuck in a specific range or drive mode.
3. What causes the C0381 code to appear on a GMC Sierra?
Common causes include overheating of the transfer case range actuator, wiring or connector issues, a faulty actuator motor, or software-related problems with the transfer case control module.
4. Can I continue driving with code C0381 active?
While the vehicle may still be drivable, operating it with this code active can lead to further damage to the transfer case or drivetrain. It’s best to address the issue promptly.
5. How do I diagnose the C0381 code on my 2017 GMC Sierra?
Diagnosis involves scanning for additional codes, inspecting the range actuator and its wiring, checking the transfer case fluid level and condition, and testing the actuator motor for proper operation.
6. How can high temperatures cause the C0381 code?
High temperatures can affect the range actuator’s performance, potentially leading to internal component failure, electrical issues, or reduced efficiency in the transfer case system.
7. What is the range actuator in a GMC Sierra?
The range actuator is an electronic component that helps shift the transfer case between drive modes, such as 2WD, 4WD, or low-range modes.
8. What repairs are typically needed to fix code C0381?
Repairs may include replacing the range actuator, repairing damaged wiring or connectors, updating the transfer case control module software, or servicing the transfer case.
9. How much does it cost to repair code C0381 on a 2017 GMC Sierra?
The cost can vary but typically ranges from $300 to $800, depending on whether the range actuator needs replacement or if additional repairs are required.
10. Can a software update fix code C0381 on a GMC Sierra?
In some cases, a software update for the transfer case control module can resolve the issue, particularly if it’s caused by a programming glitch.
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