P0797 2018 Chevrolet Silverado Code - Pressure Control Solenoid Valve 3 Stuck On
Quick Answer
The clutch pressure control solenoid 3 is part of the control solenoid valve assembly, which has no serviceable parts. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty 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
- P0797 2018 Chevrolet Silverado indicates Pressure Control Solenoid Valve 3 Stuck On.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty 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 P0797 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0797 2018 Chevrolet Silverado?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty Control Solenoid Valve Assembly
- Control Solenoid Valve Assembly harness or connectors
- Control Solenoid Valve Assembly circuit is open or shorted
How to Fix the DTC P0797 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 P0797 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 P0797 2018 Chevrolet Silverado code?
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Frequently Asked Questions about P0797 2018 Chevrolet Silverado Code
1. What does OBDII code P0797 mean on a 2018 Chevrolet Silverado?
P0797 indicates that Pressure Control Solenoid Valve 3 is stuck in the "on" position, causing transmission issues.
2. What are the symptoms of a P0797 code in a 2018 Chevrolet Silverado?
Symptoms may include harsh or delayed shifting, slipping gears, transmission overheating, or the vehicle going into limp mode.
3. What causes the P0797 code to appear?
Common causes include a faulty pressure control solenoid, dirty or low transmission fluid, wiring issues, or a malfunctioning transmission control module (TCM).
4. Can I drive my 2018 Chevrolet Silverado with a P0797 code?
Driving with this code is not recommended as it can cause further damage to the transmission and impair vehicle performance.
5. How do I fix a P0797 code on my 2018 Chevrolet Silverado?
Repairs may involve replacing the faulty solenoid, flushing and refilling the transmission fluid, or repairing damaged wiring or connectors.
6. How much does it cost to repair a P0797 code in a 2018 Chevrolet Silverado?
The cost can range from $200 to $500 for solenoid replacement, but additional repairs like wiring fixes or fluid changes may increase costs.
7. How can I check if the pressure control solenoid is faulty?
A mechanic can test the solenoid's resistance with a multimeter and inspect it for physical damage or blockage.
8. Can dirty transmission fluid trigger the P0797 code?
Yes, old or contaminated transmission fluid can cause solenoid malfunctions and lead to this code.
9. Will resetting the check engine light clear the P0797 code permanently?
No, clearing the code without addressing the underlying issue will likely result in the code returning.
10. Is a transmission rebuild necessary for a P0797 code?
In most cases, a full rebuild isn’t required. Replacing the solenoid or addressing fluid and electrical issues usually resolves the problem.
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