Engine-Codes - Nissan - P1148 2009 NISSAN ALTIMA SEDAN

P1148 2009 NISSAN ALTIMA SEDAN - Closed Loop Control Function Bank 1

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

P1148 2009 NISSAN ALTIMA SEDAN Possible Causes

  • Faulty Air Fuel Ratio Sensor 1 Bank 1
  • Air Fuel Ratio Sensor 1 Bank 1 circuit is open or shorted
  • Air Fuel Ratio Sensor 1 Bank 1 circuit electrical connection

How is the P1148 2009 NISSAN ALTIMA SEDAN code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the cost to diagnose the P1148 2009 NISSAN ALTIMA SEDAN code

Labor: 1.0

The cost to diagnose the P1148 2009 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 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)

P1148 2009 NISSAN ALTIMA SEDAN Meaning

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.

More Information

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