P0796 2018 GMC Sierra Code - Pressure Control Solenoid Valve 3 Stuck Off
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
- P0796 2018 GMC Sierra indicates Pressure Control Solenoid Valve 3 Stuck Off.
- 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 P0796 2018 GMC Sierra Description
What are the Possible Causes of the DTC P0796 2018 GMC Sierra?
- 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 P0796 2018 GMC Sierra?
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 P0796 2018 GMC Sierra 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 P0796 2018 GMC Sierra code?
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Frequently Asked Questions about P0796 2018 GMC Sierra Code
1. What does the OBDII code P0796 mean on a 2018 GMC Sierra?
The P0796 code indicates that the transmission's pressure control solenoid valve 3 is stuck in the "off" position, affecting hydraulic pressure regulation.
2. What are the common symptoms of P0796 on a 2018 GMC Sierra?
Symptoms may include harsh or delayed shifting, transmission slipping, reduced fuel economy, the transmission going into limp mode, and the check engine light turning on.
3. What causes the P0796 code to appear?
Common causes include a faulty pressure control solenoid, low or dirty transmission fluid, a clogged transmission filter, internal transmission issues, or electrical problems like damaged wiring or connectors.
4. Can I drive my 2018 GMC Sierra with the P0796 code?
Driving with this code is not recommended as it can lead to further transmission damage or unsafe driving conditions due to shifting issues.
5. How do I diagnose the P0796 code on my GMC Sierra?
Diagnosis involves checking the transmission fluid level and condition, inspecting wiring and connectors, testing the solenoid for proper operation, and performing a detailed scan with a diagnostic tool.
6. How much does it cost to fix the P0796 code?
Repair costs can vary widely, ranging from $150 to $400 for a solenoid replacement, but internal transmission repairs could cost $1,000 or more depending on the extent of the damage.
7. How do I fix the P0796 code on my 2018 GMC Sierra?
Repairs may involve replacing the pressure control solenoid, cleaning or replacing the transmission filter, flushing the transmission fluid, or repairing damaged wiring or connectors.
8. Can low transmission fluid cause the P0796 code?
Yes, low or dirty transmission fluid can cause insufficient hydraulic pressure, leading to the P0796 code.
9. Will resetting the check engine light fix the P0796 code?
No, simply clearing the code won't fix the underlying issue. Proper diagnosis and repair are necessary to resolve the problem.
10. Can a clogged transmission filter cause the P0796 code?
Yes, a clogged transmission filter can restrict fluid flow, leading to hydraulic pressure issues and triggering the P0796 code.
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