P0747 2018 Chevrolet Silverado Code - Transmission Control Solenoid Valve 1 Stuck On
Quick Answer
The P0747 code on a 2018 Chevrolet Silverado indicates a problem with the Transmission Control Solenoid Valve 1 being stuck on. Common causes include Faulty Transmission Control Solenoid Valve 1, Low transmission fluid levels, Contaminated transmission 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
- P0747 2018 Chevrolet Silverado indicates Transmission Control Solenoid Valve 1 Stuck On.
- Common causes
- Common causes include Faulty Transmission Control Solenoid Valve 1, Low transmission fluid levels, Contaminated transmission 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.
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Code P0747 2018 Chevrolet Silverado Description
The P0747 code on a 2018 Chevrolet Silverado indicates a problem with the Transmission Control Solenoid Valve 1 being stuck on. The transmission control solenoid is responsible for regulating the flow of transmission fluid in the transmission system. When this solenoid gets stuck in the on position, it can lead to issues with shifting gears smoothly and efficiently. This can result in poor performance, decreased fuel efficiency, and potential damage to the transmission system if left unaddressed.
Common Causes of P0747 2018 Chevrolet Silverado
- Faulty Transmission Control Solenoid Valve 1
- Low transmission fluid levels
- Contaminated transmission fluid
- Electrical issues with the transmission control module
- Blockage in the transmission fluid passages
Symptoms of P0747 2018 Chevrolet Silverado
- Harsh or delayed shifting between gears
- Transmission slipping or difficulty engaging
- Decreased fuel efficiency
- Illumination of the Check Engine Light
- Overheating of the transmission
How to Fix P0747 2018 Chevrolet Silverado
- Begin by diagnosing the specific cause of the issue using a diagnostic scanner to retrieve trouble codes and perform a thorough inspection of the transmission system.
- Inspect the Transmission Control Solenoid Valve 1 for any signs of damage or malfunction. Replace the solenoid if necessary.
- Check and refill the transmission fluid to the proper level if it is low. Flush the system if the fluid is contaminated.
- Inspect the transmission control module for any electrical issues and repair or replace as needed.
- Clear the trouble codes, reset the vehicle's computer, and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0747 2018 Chevrolet Silverado
The typical repair costs for addressing a P0747 code on a 2018 Chevrolet Silverado can range from $200 to $500, including parts and labor. However, it's important to note that the actual cost may vary depending on the specific cause of the issue, the extent of the repairs needed, and the labor rates at the auto repair shop. Diagnostic time and labor rates can vary between $80 and $150 per hour, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle.
Tech Notes for P0747 2018 Chevrolet Silverado
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Frequently Asked Questions about P0747 2018 Chevrolet Silverado Code
1. What does the P0747 code mean on a 2018 Chevrolet Silverado?
The P0747 code indicates that Transmission Control Solenoid Valve 1 is stuck on, which can affect the transmission's ability to shift properly.
2. What are the common symptoms of the P0747 code?
Symptoms include harsh or erratic shifting, transmission slipping, inability to shift gears, or the vehicle going into limp mode.
3. What causes the P0747 code on a 2018 Chevrolet Silverado?
Common causes include a malfunctioning transmission control solenoid, low or contaminated transmission fluid, wiring issues, or a damaged valve body.
4. Can driving with the P0747 code damage my Silverado's transmission?
Yes, driving with this code can cause further wear and tear on the transmission, leading to more expensive repairs if not addressed promptly.
5. How is the P0747 code diagnosed?
A mechanic will use an OBDII scanner to retrieve the code, inspect the transmission fluid level and condition, test the solenoid, and check for wiring or electrical issues.
6. How do you fix the P0747 code on a 2018 Chevrolet Silverado?
Repairs may include replacing the transmission control solenoid, cleaning or replacing the valve body, flushing the transmission fluid, or repairing damaged wiring.
7. How much does it cost to fix the P0747 code?
Repair costs vary but can range from $300 to $1,000 depending on whether the solenoid, valve body, or wiring needs replacement.
8. Can low transmission fluid cause the P0747 code?
Yes, low or contaminated transmission fluid can cause the solenoid to malfunction and trigger this code.
9. Do I need to replace the transmission for a P0747 code?
Not necessarily. Often, the issue can be resolved by replacing the solenoid or valve body without replacing the entire transmission.
10. Can a dirty transmission filter trigger the P0747 code?
Yes, a clogged or dirty transmission filter can restrict fluid flow and contribute to solenoid issues, potentially triggering the code.
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