P0877 2018 Chevrolet Silverado Code - Transmission Fluid Pressure Switch 4 Circuit Low Voltage
Quick Answer
The Transmission Fluid Pressure (TFP) switch 4 is part of the Transmission Control Solenoid Valve Assembly which has no serviceable parts. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve Assembly. 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
- P0877 2018 Chevrolet Silverado indicates Transmission Fluid Pressure Switch 4 Circuit Low Voltage.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve Assembly.
- 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 P0877 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0877 2018 Chevrolet Silverado?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty Transmission Control Solenoid Valve Assembly
- Transmission Control Solenoid Valve Assembly harness is open or shorted
- Transmission Control Solenoid Valve Assembly circuit poor electrical connection
How to Fix the DTC P0877 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 P0877 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 P0877 2018 Chevrolet Silverado code?
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Frequently Asked Questions about P0877 2018 Chevrolet Silverado Code
1. What does OBDII code P0877 mean for a 2018 Chevrolet Silverado?
Code P0877 indicates that the Transmission Fluid Pressure Switch 4 Circuit is experiencing low voltage, which may affect the transmission's performance.
2. What are the common symptoms of P0877 in a 2018 Chevrolet Silverado?
Symptoms may include harsh or erratic shifting, slipping gears, the transmission stuck in one gear, and the Check Engine Light illuminating.
3. What causes the P0877 code to appear in my Silverado?
Common causes include a faulty transmission fluid pressure switch, low transmission fluid, a damaged wiring harness, corroded or loose electrical connections, or an issue with the transmission control module (TCM).
4. Can I drive my 2018 Chevrolet Silverado with a P0877 code?
Driving with this code is not recommended as it can lead to further transmission damage or unsafe driving conditions, especially if shifting becomes erratic.
5. How do I fix the P0877 code on a 2018 Chevrolet Silverado?
Start by checking the transmission fluid level and condition. Inspect the wiring and connectors for damage or corrosion. If the issue persists, the transmission fluid pressure switch or TCM may need to be replaced.
6. How much does it cost to repair a P0877 code in a Chevrolet Silverado?
Repair costs vary but may range from $100 to $300 for diagnosis and minor fixes like wiring repairs. Replacing a transmission fluid pressure switch could cost $200 to $500, depending on labor rates and parts.
7. Is a software update ever required to fix a P0877 code?
In some cases, a software update for the transmission control module (TCM) may resolve the issue if it's caused by a programming bug. Consult your dealer for more information.
8. How can I prevent the P0877 code from returning?
Regularly check and maintain transmission fluid levels, inspect wiring and connectors during routine maintenance, and address any transmission-related issues promptly.
9. Does a P0877 code always mean the pressure switch is bad?
No, the pressure switch may not always be the problem. Wiring issues, low fluid, or a malfunctioning TCM can also trigger this code.
10. Will clearing the P0877 code fix the issue?
Clearing the code may turn off the Check Engine Light temporarily, but the underlying issue must be resolved to prevent the code from returning.
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