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P0795 Nissan Code - Pressure Control Solenoid Valve 'C'

Quick Answer

The P0795 diagnostic trouble code (DTC) for Nissan vehicles refers to an issue with the Pressure Control Solenoid Valve 'C'. Common causes include Faulty pressure control solenoid valve, Electrical issues such as a short circuit or open circuit, 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
P0795 Nissan indicates Pressure Control Solenoid Valve 'C'.
Common causes
Common causes include Faulty pressure control solenoid valve, Electrical issues such as a short circuit or open circuit, 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P0795 Nissan Description

The P0795 diagnostic trouble code (DTC) for Nissan vehicles refers to an issue with the Pressure Control Solenoid Valve 'C'. This valve is an essential component of the vehicle's transmission system, responsible for regulating the hydraulic pressure within the transmission. When this solenoid valve malfunctions or fails, it can lead to a variety of transmission-related problems, affecting the overall performance and drivability of the vehicle.

OBDII Code P0795 Nissan - Pressure Control Solenoid Valve 'C'
P0795 Nissan Code - Pressure Control Solenoid Valve 'C'

Common Causes of P0795 Nissan

  1. Faulty pressure control solenoid valve
  2. Electrical issues such as a short circuit or open circuit
  3. Low transmission fluid levels
  4. Internal transmission problems
  5. Wiring harness problems

Symptoms of P0795 Nissan

  1. Erratic shifting patterns
  2. Harsh or delayed shifts
  3. Transmission slipping
  4. Transmission overheating
  5. Illuminated check engine light

How to Fix P0795 Nissan

  1. Perform a diagnostic scan to retrieve the trouble codes and pinpoint the issue.
  2. Inspect the wiring harness and connections for any signs of damage or corrosion.
  3. Test the pressure control solenoid valve 'C' for proper operation and replace if necessary.
  4. Check and refill the transmission fluid to the correct level.
  5. Clear the trouble codes and test drive the vehicle to ensure proper operation.

Cost to Fix P0795 Nissan

The cost of repairing a P0795 code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the parts cost for a pressure control solenoid valve 'C' replacement can range from $100 to $300, with additional costs for transmission fluid, diagnostic scans, and labor. Overall, you can expect the total repair cost to be anywhere from $300 to $600. It's important to consult with a qualified mechanic or transmission specialist for an accurate estimate tailored to your vehicle's make and model. Keep in mind that labor rates can fluctuate based on location and shop rates, so it's advisable to get multiple quotes before proceeding with the repair.

What does this mean?

Tech Notes for P0795 Nissan

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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Information for Specific Nissan Models

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 Nissan Code

1. What does the OBDII code P0795 mean on a Nissan?

P0795 indicates an issue with the Pressure Control Solenoid Valve 'C' in the transmission, which is responsible for regulating hydraulic pressure to ensure smooth gear shifts.

2. What are the common symptoms of the P0795 code on a Nissan?

Symptoms include harsh or delayed shifting, transmission slipping, poor fuel economy, and the Check Engine Light being illuminated.

3. What causes the P0795 code on a Nissan?

Common causes include a faulty pressure control solenoid valve, low or dirty transmission fluid, damaged wiring or connectors, or an issue with the transmission control module (TCM).

4. Can I drive my Nissan with a P0795 code?

Driving with a P0795 code is not recommended, as it can lead to further transmission damage and unsafe driving conditions due to improper gear shifting.

5. How do I diagnose the P0795 code on my Nissan?

Diagnosis involves checking the transmission fluid level and condition, inspecting the wiring and connectors to the solenoid, and testing the solenoid itself for proper operation.

6. How do I fix the P0795 code on a Nissan?

Repairs may include replacing the faulty pressure control solenoid, cleaning or replacing transmission fluid, repairing damaged wiring, or updating/replacing the transmission control module.

7. What tools are needed to diagnose and repair the P0795 code on a Nissan?

Tools typically include an OBDII scanner, a multimeter to test wiring and solenoid, and basic tools for accessing and replacing transmission components.

8. How much does it cost to fix the P0795 code on a Nissan?

Repair costs can vary, but replacing a pressure control solenoid typically costs $200–$400, including parts and labor, depending on your vehicle model and location.

9. Can dirty transmission fluid cause the P0795 code on a Nissan?

Yes, dirty or contaminated transmission fluid can affect the operation of the pressure control solenoid and trigger a P0795 code.

10. How can I prevent the P0795 code from recurring on my Nissan?

Regular maintenance, such as changing transmission fluid at recommended intervals and inspecting wiring, can help prevent issues with the pressure control solenoid.

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