AutoCodes – Nissan – P0181 2012 Nissan Altima Sedan

P0181 2012 Nissan Altima Sedan Code - Fuel Temperature Sensor Circuit Range/Performance

Quick Answer

The fuel tank temperature sensor is used to detect the fuel temperature inside the fuel tank. Common causes include Faulty Fuel Temperature Sensor, Fuel Temperature Sensor harness is open or shorted, Fuel Temperature Sensor circuit poor electrical connection. 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: P0181 2012 Nissan Altima Sedan indicates Fuel Temperature Sensor Circuit Range/Performance.
Common causes: Common causes include Faulty Fuel Temperature Sensor, Fuel Temperature Sensor harness is open or shorted, Fuel Temperature Sensor circuit poor electrical connection.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 5,380

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
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0181 2012 Nissan Altima Sedan Description

The fuel tank temperature sensor is used to detect the fuel temperature inside the fuel tank. The sensor modifies a voltage signal from the ECM. The modified signal returns to the ECM as the fuel temperature input. The sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases..

OBDII Code P0181 2012 Nissan Altima Sedan - Fuel Temperature Sensor Circuit Range/Performance - AutoCodes.com — P0181 2012 Nissan Altima Sedan Code - Fuel Temperature Sensor Circuit Range/Performance

What does this mean?

What are the Possible Causes of the DTC P0181 2012 Nissan Altima Sedan?

Faulty Fuel Temperature Sensor
Fuel Temperature Sensor harness is open or shorted
Fuel Temperature Sensor circuit poor electrical connection

How to Fix the DTC P0181 2012 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

Fuel temperature sensor is a part of the fuel pump assembly, which is under the rear seat.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0181 2012 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.

Need more information about the P0181 2012 Nissan Altima Sedan code?

Need more information on how to fix the P0181 2012 Nissan Altima Sedan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0181 2012 Nissan Altima Sedan code diagnosed by a professional: Find a repair shop in your area

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 P0181 2012 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P0181 in a 2012 Nissan Altima Sedan?

- Common symptoms include poor fuel economy, rough idling, stalling, and illuminated Check Engine light.

2. What does the OBDII code P0181 on a 2012 Nissan Altima Sedan indicate?

- The code P0181 indicates an issue with the Fuel Temperature Sensor Circuit Range/Performance.

3. What are the possible causes of OBDII code P0181 in a 2012 Nissan Altima Sedan?

- Possible causes include a faulty fuel temperature sensor, wiring issues, poor electrical connection, or a malfunctioning Engine Control Module (ECM).

4. How can I diagnose the cause of OBDII code P0181 in my 2012 Nissan Altima Sedan?

- Diagnosis involves checking the fuel temperature sensor for proper operation, inspecting the wiring for damage, and testing the sensor's electrical connections.

5. Can a DIY enthusiast repair OBDII code P0181 on a 2012 Nissan Altima Sedan?

- If comfortable with automotive repair, a DIY enthusiast can potentially replace the faulty fuel temperature sensor or repair wiring issues causing the code.

6. Is it safe to continue driving a 2012 Nissan Altima Sedan with OBDII code P0181?

- It is not recommended to ignore the code, as it can lead to potential drivability issues and may cause further damage to the vehicle over time.

7. How much does it typically cost to repair OBDII code P0181 in a 2012 Nissan Altima Sedan?

- Repair costs can vary depending on the exact cause of the code, but typically range from $100 to $300 for parts and labor.

8. Can a bad fuel temperature sensor cause other problems in a 2012 Nissan Altima Sedan besides triggering code P0181?

- Yes, a faulty fuel temperature sensor can affect fuel delivery, engine performance, and emissions control systems in the vehicle.

9. What are some tips to prevent OBDII code P0181 from recurring in a 2012 Nissan Altima Sedan?

- Regular maintenance, such as checking and replacing sensors as needed, can help prevent the recurrence of code P0181 in the future.

10. How long does it take to repair OBDII code P0181 in a 2012 Nissan Altima Sedan?

- The repair time can vary depending on the exact cause of the code and the expertise of the technician, but it typically takes 1-2 hours to diagnose and fix the issue.