P0977 2016 Chevrolet Silverado Code - Shift Solenoid 'B' Open Or Short To Power
Quick Answer
The P0977 diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado indicates a problem with Shift Solenoid 'B' being open or shorted to power. Common causes include Faulty Shift Solenoid 'B', Wiring issues or shorts in the solenoid circuit, Low transmission fluid level or dirty fluid. 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
- P0977 2016 Chevrolet Silverado indicates Shift Solenoid 'B' Open Or Short To Power.
- Common causes
- Common causes include Faulty Shift Solenoid 'B', Wiring issues or shorts in the solenoid circuit, Low transmission fluid level or dirty fluid.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0977 2016 Chevrolet Silverado Description
The P0977 diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado indicates a problem with Shift Solenoid 'B' being open or shorted to power. Shift solenoids are vital components of the transmission system that control the flow of transmission fluid to engage specific gears. In this case, Shift Solenoid 'B' is not functioning properly, which can lead to issues with gear shifting, transmission performance, and overall drivability of the vehicle.
Common Causes of P0977 2016 Chevrolet Silverado
- Faulty Shift Solenoid 'B'
- Wiring issues or shorts in the solenoid circuit
- Low transmission fluid level or dirty fluid
- Electrical problems in the transmission control module
- Mechanical issues within the transmission system
Symptoms of P0977 2016 Chevrolet Silverado
- Erratic shifting behavior
- Harsh or delayed gear shifts
- Transmission slipping
- Transmission getting stuck in a specific gear
- Illumination of the Check Engine Light
How to Fix P0977 2016 Chevrolet Silverado
- Begin by diagnosing the specific cause of the issue using a scan tool to pinpoint the exact problem.
- Inspect the wiring harness and connections related to Shift Solenoid 'B' for any damage or corrosion. Repair or replace as needed.
- Test the Shift Solenoid 'B' for proper functionality and replace if it is found to be faulty.
- Check the transmission fluid level and condition. Top off or perform a fluid flush if necessary.
- Clear the DTC and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0977 2016 Chevrolet Silverado
The typical repair costs for addressing a Shift Solenoid 'B' open or short to power issue can range from $150 to $400, including parts and labor. However, it's important to note that the actual cost can vary depending on the specific diagnosis time, labor rates, and any additional repairs or parts needed. It's recommended to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on your vehicle's make and model, as well as your location.
Need more information about the P0977 2016 Chevrolet Silverado code?
Need more information on how to fix the P0977 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0977 2016 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0977 2016 Chevrolet Silverado Code
1. What does the OBDII code P0977 mean for a 2016 Chevrolet Silverado?
The P0977 code indicates a problem with the Shift Solenoid 'B' circuit, specifically an open or short to power issue.
2. What are the common symptoms of the P0977 code in a 2016 Chevrolet Silverado?
Symptoms may include harsh or delayed shifting, transmission stuck in one gear, or the check engine light being illuminated.
3. What causes the P0977 code to appear in a 2016 Chevrolet Silverado?
Common causes include a faulty shift solenoid, damaged wiring or connectors, transmission fluid issues, or a malfunctioning transmission control module (TCM).
4. How do I diagnose the P0977 code in my 2016 Chevrolet Silverado?
Diagnosis involves checking the transmission fluid, inspecting wiring and connectors for damage, testing the shift solenoid, and using a scan tool to monitor the TCM.
5. Can I drive my 2016 Chevrolet Silverado with the P0977 code?
Driving with this code is not recommended, as it can cause further transmission damage and lead to unsafe driving conditions.
6. How do I fix the P0977 code on a 2016 Chevrolet Silverado?
Repairs may include replacing the shift solenoid, repairing or replacing damaged wiring, or addressing issues with the transmission control module.
7. How much does it cost to fix the P0977 code on a 2016 Chevrolet Silverado?
Repair costs can vary but typically range from $150 to $400, depending on whether the issue is with the solenoid, wiring, or TCM.
8. Can low transmission fluid cause the P0977 code in a 2016 Chevrolet Silverado?
Yes, low or contaminated transmission fluid can cause this code by affecting solenoid operation and overall transmission performance.
9. How can I prevent the P0977 code from recurring in my 2016 Chevrolet Silverado?
Regular transmission maintenance, including checking fluid levels and inspecting wiring, can help prevent this code from recurring.
10. Do I need a professional to fix the P0977 code in my 2016 Chevrolet Silverado?
While experienced DIYers may handle basic repairs, diagnosing and fixing electrical or TCM-related issues often requires professional expertise.
Discuss the causes and fixes for P0977 2016 Chevrolet Silverado OBDII Code
Code P0977 2016 Chevrolet Silverado comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.