For Shop Owners

P1168 NISSAN - Closed Loop Control Function Bank 2

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3 What does this mean?

Possible causes

    For Models 2005 and up:
  • 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 For Models before 2005:
  • 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
What does this mean?

Tech notes

There is a service bulletin for the following models:

2005-2006 Nissan Altima

2004 Nissan Maxima w/ 5 Speed Automatic Transmission
2004 Nissan Quest w/ 5 Speed Automatic Transmission

2004 Nissan Maxima w/ Manual Transmission or 4 Speed Automatic Transmission
2004 Nissan Quest w/ 4 Speed Automatic Transmission

2004 Nissan Armada
2004 Nissan Titan

What does this mean?

When is the code detected?

The closed loop control function for bank 1 does not operate even when vehicle is driving in the specified condition, the closed loop control function for bank 2 does not operate even when vehicle is driving in the specified condition.

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1168 NISSAN Description

The Engine Control Module (ECM) performs ON/OFF duty control of the Air Fuel Ratio (A/F)/Heated Oxygen Sensor 1 heater corresponding to the engine operating condition to keep the temperature of Air Fuel Ratio (A/F)/Heated Oxygen Sensor 1 element at the specified range.
OBDII Code P1168 Nissan - Closed Loop Control Function Bank 2 -

P1168 NISSAN Information for specific Nissan models

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P1168 NISSAN Comments

Help us improve Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P1168 Nissan code? Have you replaced any parts?
Any information is appreciated. Thanks
Repair Importance Level: 3
1=Low 2=Medium 3=High
Repair Difficulty Level: 2
1=Easy 2=Moderate 3=Hard

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