P0977 2016 Chevrolet Silverado Code - Shift Solenoid 'B' Open Or Short To Power
Quick Answer
The shift solenoid 2 is part of the control solenoid valve assembly which has no serviceable parts. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve. 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 Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve.
- 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 P0977 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0977 2016 Chevrolet Silverado?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty Transmission Control Solenoid Valve
- Transmission Control Solenoid Valve harness is open or shorted
- Transmission Control Solenoid Valve circuit poor electrical connection
How to Fix the DTC P0977 2016 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 P0977 2016 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 P0977 2016 Chevrolet Silverado code?
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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.
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