C0387 2016 GMC Sierra Code - Unable to Complete Shift
Quick Answer
The diagnostic trouble code C0387 for a 2016 GMC Sierra indicates that the vehicle's computer has detected an issue with the ability to complete a shift. Common causes include Low or contaminated transmission fluid, Faulty transmission solenoids, Malfunctioning transmission control module. 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
- C0387 2016 GMC Sierra indicates Unable to Complete Shift.
- Common causes
- Common causes include Low or contaminated transmission fluid, Faulty transmission solenoids, Malfunctioning transmission control module.
- 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 C0387 2016 GMC Sierra Description
The diagnostic trouble code C0387 for a 2016 GMC Sierra indicates that the vehicle's computer has detected an issue with the ability to complete a shift. This could refer to a problem with the transmission, transfer case, or another related component. When this code is triggered, it means that the vehicle may have difficulty shifting gears, which can lead to poor performance, decreased fuel efficiency, and potential safety hazards.
Common Causes of C0387 2016 GMC Sierra
- Low or contaminated transmission fluid
- Faulty transmission solenoids
- Malfunctioning transmission control module
- Mechanical issues within the transmission
- Electrical problems in the transmission system
Symptoms of C0387 2016 GMC Sierra
- Erratic shifting patterns
- Harsh shifting
- Slipping gears
- Stuck in a certain gear
- Lack of power and responsiveness
How to Fix C0387 2016 GMC Sierra
- Check and top up transmission fluid levels, ensuring it is clean and at the correct level.
- Inspect and potentially replace transmission solenoids if faulty.
- Test and possibly replace the transmission control module if malfunctioning.
- Conduct a thorough inspection of the transmission for any mechanical issues and repair as necessary.
- Check and repair any electrical connections or components related to the transmission system.
Cost to Fix C0387 2016 GMC Sierra
The typical repair costs for addressing the C0387 code on a 2016 GMC Sierra can vary depending on the specific cause of the issue. On average, the repair costs for this type of transmission-related problem can range from $200 to $1000 or more. This estimate includes the cost of parts and labor. However, it's important to note that the actual cost can be higher or lower based on factors such as the severity of the issue, the need for replacement parts, and the labor rates at the auto repair shop. It is recommended to consult with a qualified mechanic to get an accurate estimate based on your vehicle's specific condition.
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Frequently Asked Questions about C0387 2016 GMC Sierra Code
1. What does OBDII code C0387 on a 2016 GMC Sierra indicate?
The OBDII code C0387 on a 2016 GMC Sierra indicates that the vehicle's transmission is unable to complete a shift.
2. What are the common symptoms of OBDII code C0387 in a 2016 GMC Sierra?
Common symptoms of OBDII code C0387 in a 2016 GMC Sierra include difficulty shifting gears, rough shifting, or the transmission not shifting at all.
3. What are the possible causes of OBDII code C0387 in a 2016 GMC Sierra?
Possible causes of OBDII code C0387 in a 2016 GMC Sierra include low transmission fluid, a faulty shift solenoid, a malfunctioning transmission control module, or internal transmission issues.
4. How can I diagnose the issue related to OBDII code C0387 in my 2016 GMC Sierra?
Diagnosing the issue related to OBDII code C0387 in a 2016 GMC Sierra may require a professional scan tool to read the specific transmission fault codes, checking the transmission fluid level and condition, and conducting a visual inspection of the transmission components.
5. Can I continue driving my 2016 GMC Sierra with OBDII code C0387?
It is not recommended to continue driving your 2016 GMC Sierra if you are experiencing issues related to OBDII code C0387, as it can lead to further damage to the transmission.
6. How can I repair OBDII code C0387 in my 2016 GMC Sierra?
Repairing OBDII code C0387 in a 2016 GMC Sierra may involve topping up or replacing the transmission fluid, replacing a faulty shift solenoid, repairing or replacing the transmission control module, or addressing any internal transmission problems.
7. Can a DIY enthusiast fix OBDII code C0387 in a 2016 GMC Sierra?
While some basic maintenance tasks related to OBDII code C0387 in a 2016 GMC Sierra can be done by a DIY enthusiast, complex transmission repairs may require professional expertise and specialized tools.
8. How much does it cost to repair OBDII code C0387 in a 2016 GMC Sierra?
The cost to repair OBDII code C0387 in a 2016 GMC Sierra can vary depending on the specific issue, the parts needed, and the labor costs involved. It is recommended to get a diagnosis from a trusted mechanic for an accurate estimate.
9. Are there any preventative measures to avoid OBDII code C0387 in a 2016 GMC Sierra?
Regularly checking and maintaining the transmission fluid level, following the manufacturer's recommended service schedule, and addressing any transmission issues promptly can help prevent OBDII code C0387 in a 2016 GMC Sierra.
10. How long does it take to repair OBDII code C0387 in a 2016 GMC Sierra?
The time it takes to repair OBDII code C0387 in a 2016 GMC Sierra can vary depending on the complexity of the issue and the availability of parts. Some repairs may be completed within a few hours, while others may take longer.
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