AutoCodes – Nissan – P1168 2002 Nissan Altima Sedan

P1168 2002 Nissan Altima Sedan Code - Closed Loop Control Function Bank 2

Quick Answer

The Engine Control Module (ECM) performs ON/OFF duty control of the Heated Oxygen Sensor 1 heater corresponding to the engine operating condition to keep the temperature of Heated Oxygen Sensor 1 element at the specified range. Common causes include Faulty Heated Oxygen Sensor 1 Bank 2, Heated Oxygen Sensor 1 Bank 2 harness is open or shorted, Heated Oxygen Sensor 1 Bank 2 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: P1168 2002 Nissan Altima Sedan indicates Closed Loop Control Function Bank 2.
Common causes: Common causes include Faulty Heated Oxygen Sensor 1 Bank 2, Heated Oxygen Sensor 1 Bank 2 harness is open or shorted, Heated Oxygen Sensor 1 Bank 2 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.

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Code Popularity 3,888

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

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Table of contents Created and updated by William Orellana on May 06, 2019

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1168 2002 Nissan Altima Sedan Description

OBDII Code P1168 2002 Nissan Altima Sedan - Closed Loop Control Function Bank 2 - AutoCodes.com — P1168 2002 Nissan Altima Sedan Code - Closed Loop Control Function Bank 2

What does this mean?

What are the Possible Causes of the DTC P1168 2002 Nissan Altima Sedan?

Faulty Heated Oxygen Sensor 1 Bank 2
Heated Oxygen Sensor 1 Bank 2 harness is open or shorted
Heated Oxygen Sensor 1 Bank 2 circuit poor electrical connection

How to Fix the DTC P1168 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1168 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.

Need more information about the P1168 2002 Nissan Altima Sedan code?

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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 P1168 2002 Nissan Altima Sedan Code

1. What does OBDII code P1168 on a 2002 Nissan Altima Sedan mean?

- P1168 indicates an issue with the Closed Loop Control Function on Bank 2 of the engine.

2. What are the common symptoms of OBDII code P1168 in a 2002 Nissan Altima Sedan?

- Common symptoms include poor engine performance, reduced fuel efficiency, and possible stalling.

3. What are the possible causes of OBDII code P1168 on a 2002 Nissan Altima Sedan?

- Causes can include a faulty oxygen sensor, issues with the fuel system, vacuum leaks, or problems with the engine control module.

4. How can I diagnose the OBDII code P1168 on my 2002 Nissan Altima Sedan?

- Diagnostic steps may involve checking the oxygen sensor, inspecting for vacuum leaks, testing the fuel system, and scanning the engine control module for faults.

5. Can I drive my 2002 Nissan Altima Sedan with OBDII code P1168?

- It is not recommended to drive with a P1168 code as it can lead to further engine damage and poor performance.

6. How do I repair OBDII code P1168 on my 2002 Nissan Altima Sedan?

- Repair may involve replacing the faulty oxygen sensor, repairing vacuum leaks, addressing fuel system issues, or reprogramming the engine control module.

7. Is it possible to reset OBDII code P1168 on a 2002 Nissan Altima Sedan without fixing the underlying issue?

- While you can clear the code temporarily, it will likely reappear until the root cause is identified and repaired.

8. Will OBDII code P1168 on a 2002 Nissan Altima Sedan cause the check engine light to illuminate?

- Yes, P1168 typically triggers the check engine light to alert you to a problem with the Closed Loop Control Function on Bank 2.

9. How long does it take to fix OBDII code P1168 on a 2002 Nissan Altima Sedan?

- The repair time can vary depending on the specific cause of the code, but it may take a few hours to a full day for diagnosis and repair.

10. Can a DIY enthusiast address OBDII code P1168 on a 2002 Nissan Altima Sedan?

- Depending on your skill level and access to tools, some DIYers may be able to diagnose and repair the issue themselves, especially if it involves replacing components like the oxygen sensor.