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P1846 2003 Infiniti G35 Code - Automatic Transmission Fluid Pressure Switch 6

Quick Answer

The P1846 code for a 2003 Infiniti G35 specifically refers to an issue with the Automatic Transmission Fluid Pressure Switch 6. Common causes include Faulty Automatic Transmission Fluid Pressure Switch 6, Electrical issues such as wiring problems or a blown fuse, Low transmission fluid levels. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1846 2003 Infiniti G35 indicates Automatic Transmission Fluid Pressure Switch 6.
Common causes
Common causes include Faulty Automatic Transmission Fluid Pressure Switch 6, Electrical issues such as wiring problems or a blown fuse, Low transmission fluid levels.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code P1846 2003 Infiniti G35 Description

The P1846 code for a 2003 Infiniti G35 specifically refers to an issue with the Automatic Transmission Fluid Pressure Switch 6. This code indicates that there is a problem with the pressure switch that monitors the fluid pressure within the transmission. The transmission fluid pressure switch is a crucial component that helps the vehicle's computer system regulate the transmission's hydraulic pressure. This, in turn, ensures smooth gear shifts and optimal performance.

OBDII Code P1846 2003 Infiniti G35 - Automatic Transmission Fluid Pressure Switch 6
P1846 2003 Infiniti G35 Code - Automatic Transmission Fluid Pressure Switch 6

Common Causes of P1846 2003 Infiniti G35

  1. Faulty Automatic Transmission Fluid Pressure Switch 6
  2. Electrical issues such as wiring problems or a blown fuse
  3. Low transmission fluid levels
  4. Internal transmission problems
  5. Malfunctioning transmission control module

Symptoms of P1846 2003 Infiniti G35

  1. Harsh or delayed shifting
  2. Erratic shifting patterns
  3. Inability to shift gears
  4. Reduced fuel efficiency
  5. Poor acceleration

How to Fix P1846 2003 Infiniti G35

  1. Begin by diagnosing the exact cause of the issue using a scan tool to read the code and inspecting the transmission fluid pressure switch.
  2. Replace the faulty Automatic Transmission Fluid Pressure Switch 6 with a new, high-quality part.
  3. Check and refill the transmission fluid to the proper level if it is low.
  4. Clear the diagnostic trouble codes from the vehicle's computer system and test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further inspection of the transmission system may be necessary to identify any underlying issues.

Cost to Fix P1846 2003 Infiniti G35

The typical repair costs for addressing a P1846 code related to the Automatic Transmission Fluid Pressure Switch 6 in a 2003 Infiniti G35 can range from $200 to $500, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to check local rates for a more precise estimate.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1846 2003 Infiniti G35 Code

1. What are the common symptoms of OBDII code P1846 in a 2003 Infiniti G35?

The common symptoms of P1846 in a 2003 Infiniti G35 may include harsh shifting, transmission slipping, and the transmission not shifting gears properly.

2. What does OBDII code P1846 in a 2003 Infiniti G35 indicate?

OBDII code P1846 in a 2003 Infiniti G35 indicates a malfunction in the Automatic Transmission Fluid Pressure Switch 6.

3. What are the potential causes of OBDII code P1846 in a 2003 Infiniti G35?

Potential causes of P1846 in a 2003 Infiniti G35 include a faulty transmission fluid pressure switch, wiring issues, low transmission fluid level, or a defective transmission control module.

4. How can I diagnose the cause of OBDII code P1846 in my 2003 Infiniti G35?

To diagnose the cause of P1846, you can use a scan tool to read the code and check the transmission fluid level and condition. It is also recommended to inspect the wiring and connections related to the transmission fluid pressure switch.

5. Can I continue driving my 2003 Infiniti G35 with OBDII code P1846?

It is not recommended to continue driving your 2003 Infiniti G35 with OBDII code P1846, as it can lead to further damage to the transmission. It is best to address the issue promptly.

6. How can I repair OBDII code P1846 in my 2003 Infiniti G35?

Repairing P1846 may involve replacing the Automatic Transmission Fluid Pressure Switch 6, fixing any wiring issues, ensuring the transmission fluid level is correct, or replacing the transmission control module if necessary.

7. Is it possible to reset OBDII code P1846 in a 2003 Infiniti G35 without fixing the issue?

Resetting the code without fixing the underlying issue may temporarily turn off the check engine light, but the problem will likely resurface. It is important to address the root cause of the code.

8. How much does it cost to repair OBDII code P1846 in a 2003 Infiniti G35?

The cost of repairing P1846 can vary depending on the cause of the issue and whether you perform the repairs yourself or take your vehicle to a mechanic. Costs may range from a few hundred to over a thousand dollars.

9. Can a DIY enthusiast fix OBDII code P1846 in a 2003 Infiniti G35?

A DIY enthusiast may be able to fix P1846 in a 2003 Infiniti G35 if they have the necessary tools, knowledge, and experience working on automotive systems. However, if unsure, it is best to consult a professional mechanic.

10. How can I prevent OBDII code P1846 from occurring in my 2003 Infiniti G35 in the future?

To prevent OBDII code P1846, it is important to regularly maintain your vehicle, including checking and changing the transmission fluid as recommended, inspecting wiring harnesses for damage, and addressing any transmission issues promptly.

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