P0755 2002 Nissan Altima Sedan Code - Shift Control Solenoid 'B' Malfunction
Quick Answer
Shift solenoid valve B 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 'B' 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
- P0755 2002 Nissan Altima Sedan indicates Shift Control Solenoid 'B' Malfunction.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'B' 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 P0755 2002 Nissan Altima Sedan Description
What are the Possible Causes of the DTC P0755 2002 Nissan Altima Sedan?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty shift solenoid 'B' valve
- Shift solenoid 'B' valve harness is open or shorted
- Shift solenoid 'B' valve circuit poor electrical connection
How to Fix the DTC P0755 2002 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 P0755 2002 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 P0755 2002 Nissan Altima Sedan Code
1. What does the OBDII code P0755 mean on a 2002 Nissan Altima?
P0755 indicates a malfunction in the Shift Solenoid 'B' circuit, which is responsible for controlling gear shifts within the transmission.
2. What are the common symptoms of a P0755 code in a 2002 Nissan Altima?
Symptoms may include harsh shifting, failure to shift gears, the vehicle being stuck in limp mode, decreased fuel efficiency, and the check engine light being on.
3. What causes the P0755 code in a 2002 Nissan Altima?
Common causes include a faulty shift solenoid 'B,' damaged wiring or connectors in the solenoid circuit, low or dirty transmission fluid, or internal transmission failures.
4. Can I drive my 2002 Nissan Altima with a P0755 code?
It’s not recommended to drive with this code as it can lead to further transmission damage or unsafe driving conditions due to erratic shifting.
5. How do I diagnose the P0755 code in my 2002 Nissan Altima?
You can start by using an OBDII scanner to confirm the code, inspecting the shift solenoid wiring and connectors for damage, checking the transmission fluid condition, and testing the solenoid for proper operation.
6. How can I fix the P0755 code in a 2002 Nissan Altima?
Repairs may include replacing the shift solenoid 'B,' repairing or replacing damaged wiring or connectors, flushing and refilling the transmission fluid, or addressing internal transmission issues.
7. How much does it cost to fix the P0755 code on a 2002 Nissan Altima?
The repair cost depends on the issue. Replacing a shift solenoid typically costs $150–$400, while transmission fluid servicing may cost $100–$200. More extensive repairs can cost significantly more.
8. Can dirty transmission fluid cause a P0755 code?
Yes, dirty or low transmission fluid can cause the solenoid to malfunction, leading to the P0755 code.
9. Where is the shift solenoid 'B' located in a 2002 Nissan Altima?
Shift solenoid 'B' is located inside the transmission valve body, which requires removal of the transmission pan to access.
10. Will resetting the check engine light fix the P0755 code?
Resetting the light will not fix the underlying issue. The root cause of the malfunction needs to be repaired to prevent the code from returning.
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