AutoCodes – Nissan – P0755 2006 Nissan Altima Sedan

P0755 2006 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 2006 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.

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Code Popularity 5,986

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0755 2006 Nissan Altima Sedan Description

OBDII Code P0755 2006 Nissan Altima Sedan - Shift Control Solenoid 'B' Malfunction - AutoCodes.com — P0755 2006 Nissan Altima Sedan Code - Shift Control Solenoid 'B' Malfunction

What does this mean?

What are the Possible Causes of the DTC P0755 2006 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 2006 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.

What does this mean?

Code Tech Notes

When the a transmission solenoid is malfunction, 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 very dirty, it is recommend changing 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 transmission mechanical failure and that the transmission will need to be rebuilt or replaced.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0755 2006 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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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 P0755 2006 Nissan Altima Sedan Code

1. What does the OBDII code P0755 mean on a 2006 Nissan Altima Sedan?

Code P0755 indicates that there is an issue with the Shift Solenoid 'B' circuit, suggesting a malfunction within the solenoid or its controlling circuit.

2. What symptoms might I notice if my 2006 Nissan Altima Sedan has the P0755 code?

Symptoms include the transmission not shifting properly, the transmission slipping, the vehicle going into "limp" mode, and possibly the Check Engine Light turning on.

3. What causes the P0755 code to appear on a 2006 Nissan Altima Sedan?

Common causes are faulty shift solenoid 'B', issues with the solenoid circuit like poor electrical connections or damaged wires, or problems with the transmission fluid like low levels or contamination.

4. How can I fix the P0755 code in my 2006 Nissan Altima Sedan?

Repairs can range from replacing the shift solenoid, repairing or replacing damaged wiring, cleaning electrical connections, to changing or topping up the transmission fluid.

5. Is it safe to drive my 2006 Nissan Altima Sedan with the P0755 code?

While you can drive with this code, it's advisable to address the issue promptly as continuing to drive can lead to further damage to the transmission.

6. How urgent is it to repair a P0755 code in a 2006 Nissan Altima Sedan?

It is fairly urgent to repair this issue to prevent potential damage to the transmission, which could lead to more expensive repairs.

7. What tools are needed to diagnose the P0755 code in a 2006 Nissan Altima Sedan?

A diagnostic scanner, a multimeter, and possibly an oscilloscope are needed to properly diagnose this issue by checking the solenoid operation and inspecting the circuit integrity.

8. Can a faulty shift solenoid 'B' cause other issues in my 2006 Nissan Altima Sedan?

Yes, a malfunctioning solenoid can cause transmission shifting issues which might lead to increased wear and tear on the transmission over time.

9. What is the cost of repairing the P0755 code in a 2006 Nissan Altima Sedan?

Costs can vary widely, but typically range from $150 to $400 depending on whether the solenoid needs replacement and the rates of the service provider.