P1168 2012 Nissan Pathfinder Code - Closed Loop Control Function Bank 2
Quick Answer
The Engine Control Module (ECM) performs ON/OFF duty control of the Air Fuel Ratio (A/F) heater corresponding to the engine operating condition to keep the temperature of Air Fuel Ratio (A/F) element at the specified range. Common causes include Faulty Air Fuel Ratio Sensor 1 Bank 2, Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted, Air Fuel Ratio 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 2012 Nissan Pathfinder indicates Closed Loop Control Function Bank 2.
- Common causes
- Common causes include Faulty Air Fuel Ratio Sensor 1 Bank 2, Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted, Air Fuel Ratio 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.
Code P1168 2012 Nissan Pathfinder Description
What are the Possible Causes of the DTC P1168 2012 Nissan Pathfinder?
- Faulty Air Fuel Ratio Sensor 1 Bank 2
- Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted
- Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection
How to Fix the DTC P1168 2012 Nissan Pathfinder?
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 2012 Nissan Pathfinder 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 P1168 2012 Nissan Pathfinder Code
1. What does the OBDII code P1168 mean on a 2012 Nissan Pathfinder?
P1168 indicates a "Closed Loop Control Function Bank 2" issue, which means the engine control module (ECM) is unable to maintain proper air-fuel ratio control on Bank 2 during closed-loop operation.
2. What are the common symptoms of code P1168 in a 2012 Nissan Pathfinder?
Symptoms include poor fuel economy, rough idling, reduced engine performance, potential stalling, and the illumination of the check engine light.
3. What causes the P1168 code to appear on a 2012 Nissan Pathfinder?
Common causes include a faulty oxygen (O2) sensor on Bank 2, exhaust leaks, issues with the fuel injectors, a malfunctioning mass air flow (MAF) sensor, or wiring/connectivity problems in the O2 sensor circuit.
4. Which sensor is associated with P1168 on the 2012 Nissan Pathfinder?
The code is typically related to the upstream oxygen sensor (O2 sensor 1) on Bank 2, which monitors the air-fuel ratio.
5. How can I diagnose code P1168 on a 2012 Nissan Pathfinder?
Start by using a scan tool to check live O2 sensor data, inspect the wiring and connectors for damage or corrosion, check for exhaust leaks on Bank 2, and test the MAF sensor for proper operation.
6. Can a bad oxygen sensor cause code P1168 in a 2012 Nissan Pathfinder?
Yes, a faulty upstream O2 sensor on Bank 2 is one of the most common causes of the P1168 code.
7. How do I fix the P1168 code on a 2012 Nissan Pathfinder?
Repairs may include replacing the faulty O2 sensor on Bank 2, fixing exhaust leaks, cleaning or replacing the MAF sensor, repairing damaged wiring, or addressing fuel injector issues.
8. Can driving with code P1168 damage my 2012 Nissan Pathfinder?
Driving for an extended period with this code can lead to poor fuel efficiency, increased emissions, and potential damage to the catalytic converter.
9. How much does it cost to fix P1168 on a 2012 Nissan Pathfinder?
The cost depends on the specific issue. Replacing an oxygen sensor can range from $150 to $300, while more complex repairs like fixing exhaust leaks or injector problems may be more expensive.
10. Is it safe to drive my 2012 Nissan Pathfinder with a P1168 code?
While the vehicle may still be drivable, it’s best to address the issue promptly to avoid further damage and maintain performance.
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