P1148 2004 INFINITI G35 - Closed Loop Control Function Bank 1
P1148 2004 INFINITI G35 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 INFINITI G35 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.
2004 Infiniti G35 Factory Service Bulletin OBDII Code P1148
The bulletin suggests reprogramming the Engine Control Module (ECM) first before replacing any parts.
What is the cost to diagnose the P1148 2004 INFINITI G35 code
Labor: 1.0The cost to diagnose the P1148 2004 INFINITI G35 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.
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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.
- Engine Light ON (or Service Engine Soon Warning Light)
P1148 2004 INFINITI G35 MeaningThe 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.
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