Engine-CodesNissan – P0770 Nissan

P0770 Nissan Code - Shift Solenoid Valve 'E' Malfunction

Quick Answer

The P0770 diagnostic trouble code (DTC) for Nissan vehicles indicates a malfunction with the Shift Solenoid Valve 'E'. Common causes include Faulty Shift Solenoid Valve 'E', Low transmission fluid level, Clogged transmission fluid filter. 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
P0770 Nissan indicates Shift Solenoid Valve 'E' Malfunction.
Common causes
Common causes include Faulty Shift Solenoid Valve 'E', Low transmission fluid level, Clogged transmission fluid filter.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0770 Nissan Description

The P0770 diagnostic trouble code (DTC) for Nissan vehicles indicates a malfunction with the Shift Solenoid Valve 'E'. This solenoid is responsible for controlling the flow of transmission fluid to engage or disengage specific gears in the transmission. When this solenoid malfunctions, it can lead to issues with shifting gears, causing the vehicle to experience problems such as harsh shifting, delayed shifting, or the inability to shift gears at all.

OBDII Code P0770 Nissan - Shift Solenoid Valve 'E' Malfunction
P0770 Nissan Code - Shift Solenoid Valve 'E' Malfunction

Common Causes of P0770 Nissan

  1. Faulty Shift Solenoid Valve 'E'
  2. Low transmission fluid level
  3. Clogged transmission fluid filter
  4. Wiring or electrical issues
  5. Internal transmission damage

Symptoms of P0770 Nissan

  1. Harsh or delayed shifting
  2. Inability to shift gears
  3. Slipping gears
  4. Erratic shifting behavior
  5. Illumination of the Check Engine Light

How to Fix P0770 Nissan

  1. Begin by checking the transmission fluid level and condition. Top off or replace the fluid if necessary.
  2. Inspect the wiring and connectors associated with the Shift Solenoid Valve 'E' for any damage or corrosion. Repair or replace as needed.
  3. Test the Shift Solenoid Valve 'E' using a multimeter to determine if it is functioning correctly. Replace the solenoid if it fails the test.
  4. Clear the DTC from the vehicle's computer using an OBD-II scanner.
  5. Test drive the vehicle to ensure the issue has been resolved and that the transmission is shifting properly.

Cost to Fix P0770 Nissan

The cost of repairing a Shift Solenoid Valve 'E' malfunction can vary depending on the extent of the issue and the specific parts needed for the repair. On average, the parts for this repair can range from $100 to $300, while labor costs can range from $150 to $300. This brings the total estimated cost of repair to around $250 to $600. Keep in mind that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and labor rates at the auto repair shop. It is recommended to obtain quotes from local repair shops to get a more accurate estimate for this repair.

When is the Code Detected?

The P0770 code is detected when the ECM detects an improper voltage drop when it tries to operate the solenoid valve.

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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 P0770 Nissan Code

1. What does the OBDII code P0770 mean on a Nissan?

P0770 indicates a malfunction with the Shift Solenoid Valve 'E' in the transmission, which controls gear shifting electronically.

2. What are the common symptoms of code P0770 on a Nissan?

Symptoms include harsh or delayed shifting, transmission slipping, reduced fuel efficiency, and the check engine light turning on.

3. What causes the P0770 code on a Nissan?

Common causes include a faulty shift solenoid, transmission fluid that's dirty or low, wiring or connector issues, or internal transmission problems.

4. Can I drive my Nissan with the P0770 code active?

Driving with this code is not recommended, as it can lead to further transmission damage and unsafe driving conditions due to erratic shifting.

5. How do I fix the P0770 code on my Nissan?

Repairs may involve replacing the shift solenoid, flushing and replacing the transmission fluid, repairing damaged wiring, or addressing internal transmission issues.

6. How much does it cost to repair a P0770 code on a Nissan?

The cost varies depending on the issue. A solenoid replacement can cost $200–$500, while a transmission rebuild or replacement may cost significantly more.

7. How do I diagnose the P0770 code on my Nissan?

Diagnosis involves checking the transmission fluid condition, testing the shift solenoid for proper function, and inspecting wiring and connectors for damage.

8. Can dirty transmission fluid trigger the P0770 code?

Yes, dirty or contaminated transmission fluid can affect solenoid operation and trigger this code.

9. What tools are needed to diagnose P0770 on a Nissan?

You’ll need an OBDII scanner, a multimeter for electrical testing, and possibly a transmission pressure gauge.

10. Is P0770 specific to Nissan vehicles?

No, P0770 is a generic OBDII code that applies to many vehicles, but the symptoms and repairs may vary depending on the make and model.

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