P0770 Nissan Code - Shift Solenoid Valve 'E' Malfunction
Quick Answer
Shift solenoid valve 'E' is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'E' valve. 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 Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'E' valve.
- 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 P0770 Nissan Description
What are the Possible Causes of the DTC P0770 Nissan?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty shift solenoid 'E' valve
- Shift solenoid 'E' valve harness is open or shorted
- Shift solenoid 'E' valve circuit poor electrical connection
How to Fix the DTC P0770 Nissan?
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 P0770 Nissan 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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Information for Specific Nissan Models
- P0770 2005 Nissan Altima Sedan — Shift Solenoid Valve 'E' Malfunction
- P0770 2006 Nissan Altima Sedan — Shift Solenoid Valve 'E' Malfunction
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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