P0747 2014 Chevrolet Silverado Code - Transmission Control Solenoid Valve 1 Stuck On
Quick Answer
The solenoid actuator controls fluid pressure by moving the clutch 1-2-3-4-5-6 regulator valve that controls the fluid pressure to the 1-2-3-4-5-6 clutch. 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
- P0747 2014 Chevrolet Silverado indicates Transmission Control Solenoid Valve 1 Stuck On.
- 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 P0747 2014 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0747 2014 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 P0747 2014 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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0747 2014 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.
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Frequently Asked Questions about P0747 2014 Chevrolet Silverado Code
1. What does OBDII code P0747 mean for a 2014 Chevrolet Silverado?
P0747 indicates that the Transmission Control Solenoid Valve 1 is stuck on, which affects the transmission's ability to shift properly.
2. What are common symptoms of code P0747 in a 2014 Chevrolet Silverado?
Symptoms include harsh or erratic shifting, transmission slipping, reduced fuel efficiency, and possibly the vehicle going into limp mode.
3. What causes code P0747 in the 2014 Chevrolet Silverado?
Common causes include a stuck or failed transmission control solenoid, dirty or low transmission fluid, wiring issues, or internal transmission damage.
4. Can code P0747 damage the transmission if ignored?
Yes, ignoring this code can lead to severe transmission damage over time due to improper lubrication and shifting.
5. How can I diagnose code P0747 on my 2014 Chevrolet Silverado?
Diagnosis involves scanning for codes, inspecting the transmission fluid for contamination, testing the solenoid for proper function, and checking wiring for damage or corrosion.
6. How do I fix code P0747 on a 2014 Chevrolet Silverado?
Fixing the issue may involve replacing the stuck solenoid, flushing or replacing transmission fluid, repairing wiring, or addressing internal transmission problems.
7. How much does it cost to repair code P0747 on a 2014 Chevrolet Silverado?
Costs vary depending on the repair needed; solenoid replacement typically ranges from $200 to $500, while more extensive transmission repairs can cost significantly more.
8. Can dirty transmission fluid cause code P0747?
Yes, dirty or contaminated transmission fluid can contribute to solenoid issues and cause this code.
9. Is it safe to drive a 2014 Chevrolet Silverado with code P0747?
Driving with this code is not recommended, as it can lead to further transmission issues and unsafe driving conditions.
10. Do I need to replace the entire transmission to fix code P0747?
Not necessarily; many cases only require solenoid replacement or fluid service, but severe cases may require more extensive repairs.
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