Engine-Codes - Nissan - P1148 2002 NISSAN ALTIMA SEDAN

P1148 2002 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 2002 NISSAN ALTIMA SEDAN Possible Causes

  • Faulty Heated Oxygen Sensor 1 Bank 1
  • Heated Oxygen Sensor 1 Bank 1 circuit is open or shorted
  • Heated Oxygen Sensor 1 Bank 1 circuit electrical connection

How do I fix code P1148 2002 NISSAN ALTIMA SEDAN?

Check 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.

Cost of diagnosing the P1148 2002 NISSAN ALTIMA SEDAN code

Labor: 1.0

The cost of diagnosing the P1148 2002 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 2002 NISSAN ALTIMA SEDAN Meaning

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.

P1148 2002 NISSAN ALTIMA SEDAN More Information

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