P0797 2005 Nissan Altima Sedan Code - Pressure Control Solenoid 'C' Stuck On
Quick Answer
The Pressure Control (PC) Solenoid Valve an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty pressure control solenoid valve 'C'. 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 2005 Nissan Altima Sedan indicates Pressure Control Solenoid 'C' Stuck On.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty pressure control solenoid valve 'C'.
- 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 2005 Nissan Altima Sedan Description
What are the Possible Causes of the DTC P0797 2005 Nissan Altima Sedan?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty pressure control solenoid valve 'C'
- Pressure control solenoid valve 'C' harness is open or shorted
- Pressure control solenoid valve 'C' circuit poor electrical connection
How to Fix the DTC P0797 2005 Nissan Altima Sedan?
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 P0797 2005 Nissan Altima Sedan 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 P0797 2005 Nissan Altima Sedan Code
1. What does the OBDII code P0797 mean for a 2005 Nissan Altima Sedan?
P0797 indicates that the Pressure Control Solenoid 'C' in the transmission is stuck in the "on" position, affecting gear shifting or transmission performance.
2. What are the symptoms of the P0797 code in a 2005 Nissan Altima?
Symptoms may include harsh or erratic shifting, poor acceleration, transmission slipping, or the vehicle being stuck in one gear.
3. What causes the P0797 code to appear in a 2005 Nissan Altima?
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 2005 Nissan Altima with the P0797 code?
It's not recommended to drive with this code, as it can lead to further transmission damage or unsafe driving conditions due to shifting issues.
5. How do I diagnose the P0797 code in my 2005 Nissan Altima?
Diagnosis typically involves scanning for codes, inspecting wiring and connectors, checking transmission fluid levels, and testing the pressure control solenoid.
6. How can I fix the P0797 code on my 2005 Nissan Altima?
Repairs may include replacing the faulty pressure control solenoid, cleaning or replacing the transmission fluid, fixing wiring issues, or reprogramming the TCM.
7. How much does it cost to fix the P0797 code in a 2005 Nissan Altima?
Repair costs can range from $200 to $800 or more, depending on whether the solenoid, fluid, or other transmission components need replacement.
8. Can a dirty transmission filter cause the P0797 code?
Yes, a clogged transmission filter can restrict fluid flow, causing solenoid issues and triggering the P0797 code.
9. Does resetting the code clear the P0797 issue in a 2005 Nissan Altima?
Clearing the code without addressing the root cause will not fix the problem; the code is likely to return until the underlying issue is resolved.
10. How often should I check my transmission fluid to avoid codes like P0797?
Transmission fluid should be checked regularly, typically every 30,000 to 60,000 miles, depending on the manufacturer's recommendations.
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