P0796 Chevrolet Code - Pressure Control Solenoid Valve 3 Stuck Off
Quick Answer
The P0796 code for Chevrolet indicates a problem with the Pressure Control Solenoid Valve 3, which is responsible for controlling the pressure of the transmission fluid in the transmission system. Common causes include Faulty Pressure Control Solenoid Valve 3, Wiring or electrical issues related to the solenoid valve, Low transmission fluid levels. 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
- P0796 Chevrolet indicates Pressure Control Solenoid Valve 3 Stuck Off.
- Common causes
- Common causes include Faulty Pressure Control Solenoid Valve 3, Wiring or electrical issues related to the solenoid valve, Low transmission fluid levels.
- 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 P0796 Chevrolet Description
The P0796 code for Chevrolet indicates a problem with the Pressure Control Solenoid Valve 3, which is responsible for controlling the pressure of the transmission fluid in the transmission system. When this solenoid valve gets stuck in the "off" position, it can lead to a variety of issues with the transmission's operation. This can result in erratic shifting, harsh shifting, transmission slipping, decreased fuel efficiency, and potentially even transmission overheating. If left unaddressed, this issue can cause further damage to the transmission system and other related components.
Common Causes of P0796 Chevrolet
- Faulty Pressure Control Solenoid Valve 3
- Wiring or electrical issues related to the solenoid valve
- Low transmission fluid levels
- Contaminated or degraded transmission fluid
- Mechanical damage within the transmission system
Symptoms of P0796 Chevrolet
- Erratic or harsh shifting
- Transmission slipping
- Decreased fuel efficiency
- Transmission overheating
- Illumination of the Check Engine Light
How to Fix P0796 Chevrolet
- Begin by diagnosing the specific cause of the issue, such as testing the Pressure Control Solenoid Valve 3 and checking for any wiring or electrical faults.
- If the solenoid valve is determined to be faulty, it will need to be replaced with a new one.
- Check and top up the transmission fluid levels if necessary, ensuring it is at the correct level and in good condition.
- Clear the diagnostic trouble codes and perform a test drive to confirm that the issue has been resolved.
- If the problem persists, further diagnosis of the transmission system may be required to identify any additional underlying issues.
Cost to Fix P0796 Chevrolet
The typical repair costs for addressing a P0796 code on a Chevrolet can range from $200 to $500, including parts and labor. However, it's important to note that the specific costs can vary depending on the location of the repair shop, the make and model of the vehicle, and the type of engine. Diagnostic time and labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. It's recommended to obtain quotes from local repair shops for a more accurate estimate.
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Information for Specific Chevrolet Models
- P0796 2014 Chevrolet Silverado — Pressure Control Solenoid Valve 3 Stuck Off
- P0796 2015 Chevrolet Silverado — Pressure Control Solenoid Valve 3 Stuck Off
- P0796 2016 Chevrolet Silverado — Pressure Control Solenoid Valve 3 Stuck Off
- P0796 2017 Chevrolet Silverado — Pressure Control Solenoid Valve 3 Stuck Off
- P0796 2018 Chevrolet Silverado — Pressure Control Solenoid Valve 3 Stuck Off
Frequently Asked Questions about P0796 Chevrolet Code
1. What are the common symptoms of OBDII code P0796 in a Chevrolet vehicle?
- Common symptoms include harsh shifting, delayed shifting, transmission slipping, decreased fuel efficiency, and the transmission going into limp mode.
2. What can cause the Pressure Control Solenoid Valve 3 to be stuck off in a Chevrolet?
- Possible causes include a faulty pressure control solenoid valve, low transmission fluid, a clogged transmission filter, wiring issues, or a defective transmission control module.
3. How serious is the P0796 OBDII code in a Chevrolet?
- Ignoring this code can lead to further damage to the transmission system, potentially resulting in complete transmission failure if not addressed promptly.
4. Can I drive my Chevrolet with the P0796 code present?
- It is not recommended to drive your vehicle with the P0796 code as it can cause further damage to the transmission. It's best to have the issue diagnosed and repaired as soon as possible.
5. How difficult is it to repair the Pressure Control Solenoid Valve 3 issue in a Chevrolet?
- The repair difficulty can vary depending on the exact cause of the issue. It is recommended to have a professional mechanic diagnose and repair the problem to ensure it is properly fixed.
6. Is it possible to reset the OBDII code P0796 in a Chevrolet without repairing the issue?
- While clearing the code may temporarily turn off the check engine light, the underlying problem causing the code will still exist. It is crucial to address the root cause of the issue for a permanent solution.
7. How much does it typically cost to repair the P0796 code in a Chevrolet?
- The cost of repairing the P0796 code can vary depending on the cause of the issue, the labor rates in your area, and whether any parts need to be replaced. It is advisable to get quotes from different repair shops.
8. Can a DIY enthusiast repair the Pressure Control Solenoid Valve 3 issue in a Chevrolet?
- While some individuals with advanced automotive knowledge may be able to diagnose and repair the issue, it is generally recommended to have a professional mechanic address transmission-related problems due to their complexity.
9. Will the P0796 code cause any long-term damage to the Chevrolet transmission?
- Ignoring the P0796 code can potentially cause long-term damage to the transmission, leading to expensive repairs or even requiring a complete transmission replacement if not fixed promptly.
10. How can I prevent the OBDII code P0796 from appearing in my Chevrolet?
- Regular maintenance, such as checking and changing the transmission fluid at recommended intervals, can help prevent issues like the P0796 code. Additionally, promptly addressing any transmission-related symptoms can prevent larger problems from developing.
Discuss the causes and fixes for P0796 Chevrolet OBDII Code
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se cambio el aceite de la transmisión y después fallo marca el código p0796 y se neutralizo la caja
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Start by checking the transmission fluid level and condition, change fluid if necessary. The fluid is OK, then you may have to replace the Transmission Valve Body
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So if trans fluid is good, not low, and the harness has never been removed so checking for bent pins and the such seems to be far from the cause, and say it is the transmission valve body, which they say is not serviceable, can the valve body be replaced without replacing the whole transmission? 2017 Chevy 2500 Silverado with a service body. Code P0796. Was slowly not going into gear from park, keep getting longer and longer to engage, then noticed trans slipping on freeway, then I knew it was going to go out, parked to wait for 5PM traffic to go down, 8PM got on the fore way and 5 min
After, the D on my column shift indecator started blocking and I had no drove. Coasted, parked called a tow truck. 300,000 miles with the original transmission replaced at 160,000 at a dealer.-
The P0796 code refers to a problem with the Pressure Control Solenoid "C" Performance or Stuck Off in the transmission. This solenoid is responsible for regulating hydraulic pressure in the transmission to control gear shifts. Given your symptoms (delayed engagement into gear, slipping, and ultimately no drive), this points to a significant issue with either the transmission valve body, the solenoid, or internal transmission problems.
Addressing Your Concerns:
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Is the Valve Body Serviceable or Replaceable?
- In most modern automatic transmissions, including those in your 2017 Chevy 2500 Silverado, the valve body is replaceable without replacing the entire transmission. The valve body, which houses the solenoids, is a separate assembly that controls the flow of transmission fluid through the different channels and applies the correct pressure to shift gears.
- The dealership may say it’s “not serviceable” because they don’t rebuild valve bodies at their service center, but you can replace the valve body as a unit. Many independent transmission shops specialize in this kind of work, and aftermarket or remanufactured valve bodies are available.
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What Could Be Causing Code P0796?
- Stuck or malfunctioning pressure control solenoid: This solenoid could be stuck or clogged with debris, preventing it from regulating pressure correctly.
- Valve body wear or damage: High mileage (300,000 miles) and the symptoms you described point toward wear in the valve body. A damaged or worn valve body may not direct fluid properly to shift gears, causing the delayed engagement, slipping, and eventual loss of drive.
- Internal transmission issues: Given the high mileage and the history of transmission replacement at 160,000 miles, there may also be internal wear, such as clutch packs, bands, or even the pump.
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Steps You Can Take:
- Diagnose the Solenoids: The first step is to scan for more detailed diagnostic trouble codes (DTCs) that may pinpoint the exact solenoid that is malfunctioning. A transmission shop can run pressure tests and inspect the solenoids with specialized equipment.
- Valve Body Replacement: If the solenoids are confirmed to be the issue and not the transmission’s internal components, the valve body can likely be replaced. The cost of replacing a valve body is significantly less than replacing the entire transmission, and this could solve your P0796 code if the valve body is indeed the root cause.
- Remanufactured valve body: Depending on availability, you may be able to purchase a remanufactured valve body assembly with upgraded components that are more durable than the original part.
- Transmission Inspection: Given the high mileage on the current transmission (140,000 miles), it may be worth inspecting the transmission for internal wear or damage. The valve body could be a symptom of a larger issue inside the transmission. A full teardown might be necessary if other internal components like clutch packs or the torque converter have been affected.
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Potential Outcomes:
- If it’s just the valve body or solenoids: Replacing the valve body can fix the issue, and this can be done without replacing the entire transmission.
- If there’s more extensive internal damage: At 300,000 miles, it’s possible the transmission may have more internal wear that goes beyond just the valve body. In that case, rebuilding or replacing the transmission may be necessary.
My Recommendations:
- Start with a thorough diagnostic: Have a trusted transmission shop or dealership perform a complete diagnostic to confirm if it’s the solenoid or valve body causing the issue, or if there’s internal damage in the transmission.
- Replace the valve body if needed: If the issue is isolated to the solenoids or valve body, replace it. Valve body replacement costs will range from $1,000 to $2,500 depending on the shop and if you opt for an OEM or remanufactured part.
- Plan for the possibility of a transmission rebuild: If the transmission internals are damaged, a rebuild or replacement might be necessary. Given the mileage, it’s not unexpected that the transmission may need more extensive work.
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Thank You for replying to my post. I had totally forgot that I put this out there for a possible response. Now that I know the solenoid valve can be replace as a whole unit, I will start calling around to some trans repair shops for pricing. And I will have them run a diagnosis on the trans as it would be stupid to just replace the valve assembly without checking for possible causes to that assembly and the wear and tear of the high mileage. Again, Thank You very much for your reply.
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