Engine-Codes - Nissan - P1148 2004 NISSAN MAXIMA

P1148 2004 NISSAN MAXIMA - Closed Loop Control Function Bank 1

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

P1148 2004 NISSAN MAXIMA 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 is the P1148 2004 NISSAN MAXIMA 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.

Tech Notes

There are factory service bulletins for the following models:

2004 Nissan Maxima w/ 5 Speed Automatic Transmission
2004 Nissan Maxima Factory Service Bulletin P1148 OBDII Code

2004 Nissan Maxima w/ Manual Transmission or 4 Speed Automatic Transmission
2004 Nissan Maxima Factory Service Bulletin P1148 OBDII Code

What is the cost to diagnose the P1148 2004 NISSAN MAXIMA code

Labor: 1.0

The cost to diagnose the P1148 2004 NISSAN MAXIMA 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.

Possible Symptoms

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

P1148 2004 NISSAN MAXIMA 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 the Heated Oxygen Sensor 1 element at the specified range. The Diagnostic Trouble Code (DTC) will set when the closed-loop control function for bank 1 does not operate even when the vehicle is driving in the specified condition, the closed-loop control function for bank 2 does not operate even when the vehicle is driving in the specified condition.

More Information

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