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P1051 2005 NISSAN ALTIMA SEDAN

P1051 2005 NISSAN ALTIMA SEDAN - Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 2

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

P1051 2005 Nissan Altima Sedan Possible Causes

  • 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

P1051 2005 Nissan Altima Sedan Tech Notes

There is a service bulletin for the following models:

2005-2006 Nissan Altima
2005-2006 Nissan Altima Service Bulletin P1051 OBDII Code

Cost of diagnosing the P1051 2005 Nissan Altima Sedan code

    Labor: 1.0

    The cost of diagnosing the P1051 2005 Nissan Altima Sedan code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

When is the code detected?

The current amperage in the heated air fuel ratio (A/F) sensor 1 heater circuit is out of the normal range. An excessively low voltage signal is sent to Engine Control Module (ECM) through the heated air fuel ratio (A/F) sensor 1 heater.

P1051 2005 Nissan Altima Sedan Possible Symptoms

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

P1051 2005 Nissan Altima Sedan Meaning

The Engine Control Module (ECM) performs ON/OFF duty control of the Air Fuel Ratio (A/F) sensor 1 heater corresponding to the engine operating condition to keep the temperature of A/F sensor 1 element at the specified range.
OBDII Code P1051 2005 Nissan Altima Sedan - Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 2 - Engine-Codes.com

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