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P0795 2005 Nissan Altima Sedan Code - Pressure Control Solenoid Valve 'C'

Quick Answer

The P0795 code in a 2005 Nissan Altima Sedan indicates a problem with the Pressure Control Solenoid Valve 'C' in the transmission control system. Common causes include Electrical faults in the solenoid circuit, Wiring issues or shorts, Internal mechanical failure of the solenoid. 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
P0795 2005 Nissan Altima Sedan indicates Pressure Control Solenoid Valve 'C'.
Common causes
Common causes include Electrical faults in the solenoid circuit, Wiring issues or shorts, Internal mechanical failure of the solenoid.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P0795 2005 Nissan Altima Sedan Description

The P0795 code in a 2005 Nissan Altima Sedan indicates a problem with the Pressure Control Solenoid Valve 'C' in the transmission control system. This solenoid valve plays a crucial role in regulating the hydraulic pressure within the transmission, which is essential for smooth gear shifting and overall transmission performance. When this solenoid malfunctions or fails, it can lead to various issues with the vehicle's transmission system.

OBDII Code P0795 2005 Nissan Altima Sedan - Pressure Control Solenoid Valve 'C'
P0795 2005 Nissan Altima Sedan Code - Pressure Control Solenoid Valve 'C'

Common Causes of P0795 2005 Nissan Altima Sedan

  1. Electrical faults in the solenoid circuit
  2. Wiring issues or shorts
  3. Internal mechanical failure of the solenoid
  4. Low transmission fluid levels
  5. Contaminated transmission fluid

Symptoms of P0795 2005 Nissan Altima Sedan

  1. Erratic shifting patterns
  2. Harsh gear shifts
  3. Transmission slipping
  4. Decreased fuel efficiency
  5. Transmission failure

How to Fix P0795 2005 Nissan Altima Sedan

  1. Diagnose the issue by using a scan tool to confirm the P0795 code and inspecting the transmission system for any visible signs of damage.
  2. Replace the Pressure Control Solenoid Valve 'C' if it is found to be faulty. This may involve draining the transmission fluid, removing the transmission pan, and accessing the solenoid valve.
  3. Inspect and replace any damaged wiring or connectors in the solenoid circuit.
  4. Refill the transmission with the correct type and amount of fluid, ensuring proper levels and quality.
  5. Clear the diagnostic trouble codes and test drive the vehicle to confirm that the issue has been resolved.

Cost to Fix P0795 2005 Nissan Altima Sedan

The typical repair costs for addressing the P0795 code in a 2005 Nissan Altima Sedan can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops may vary depending on factors such as location, vehicle make and model, and engine type. It is advisable to check with local auto repair shops for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.

What does this mean?

Tech Notes for P0795 2005 Nissan Altima Sedan

When a transmission solenoid is malfunctioned, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is dirty, it's recommended to change the transmission fluid and if possible removing the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a mechanical transmission failure and that the transmission will need to be rebuilt or replaced.

When is the Code Detected?

The P0795 code is detected when the when normal voltage is not applied to solenoid due to open or short or when TCM detects as irregular by comparing target value with monitor value.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0795 2005 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P0795 in a 2005 Nissan Altima Sedan?

- Common symptoms include harsh shifting, transmission slippage, decreased fuel efficiency, and the transmission not shifting into the correct gear.

2. What does the OBDII code P0795 in a 2005 Nissan Altima Sedan indicate?

- The code P0795 indicates a problem with the Pressure Control Solenoid Valve 'C' in the transmission control system.

3. What are the possible causes of OBDII code P0795 in a 2005 Nissan Altima Sedan?

- Possible causes include a faulty pressure control solenoid valve 'C', low transmission fluid levels, dirty or contaminated transmission fluid, or wiring issues.

4. How can I diagnose the issue related to OBDII code P0795 in my 2005 Nissan Altima Sedan?

- Diagnosis typically involves using a scan tool to retrieve the trouble codes, checking the transmission fluid level and condition, and inspecting the wiring and connectors related to the pressure control solenoid valve 'C'.

5. Can I continue driving my 2005 Nissan Altima Sedan with OBDII code P0795?

- It is not recommended to continue driving the vehicle with this code as it can lead to further damage to the transmission. It is best to address the issue promptly.

6. How can I repair OBDII code P0795 in my 2005 Nissan Altima Sedan?

- Repairing the issue may involve replacing the pressure control solenoid valve 'C', ensuring proper transmission fluid levels and quality, and addressing any wiring or connector problems.

7. Are there any DIY tips for fixing OBDII code P0795 in a 2005 Nissan Altima Sedan?

- While some may attempt to replace the pressure control solenoid valve 'C' themselves, it is recommended to consult a professional mechanic for this repair due to the complexity of transmission systems.

8. How much does it cost to repair OBDII code P0795 in a 2005 Nissan Altima Sedan?

- The cost of repair can vary depending on the exact cause of the issue and whether you choose to go to a dealership, independent mechanic, or attempt the repair yourself. Costs can range from a few hundred to over a thousand dollars.

9. Will resetting the OBDII code P0795 in my 2005 Nissan Altima Sedan make the issue go away?

- Resetting the code may temporarily turn off the check engine light, but it will not fix the underlying issue causing the code. It is important to diagnose and address the root cause of the problem.

10. How long does it typically take to repair OBDII code P0795 in a 2005 Nissan Altima Sedan?

- The repair time can vary depending on the exact cause of the issue, the availability of parts, and the workload of the mechanic. In general, it can take a few hours to a full day to address this problem.

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