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  3. INFINITI A64000LP6

INFINITI A64000LP6 Transmission Control Module Tcu Automatic 591-55732

fits model: G35. make: Infiniti. year: 2003–2004.

A64000lp6 Infiniti Transmission Control Module Tcu - 2003 G35 Coupe Automatic 03-04 Oem

( Part Type: Control Transmission Module ), ( Conditions Options: Transmission Control Module ), ( Genuine Oem: Yes ), ( Ipn: 591-55732 ), ( Descriptionpartcondition: Please See Pictures And Description As They Are Of The Actual Ite ), ( Manufacturer Part Number: A64000LP6 )

Review INFINITI Transmission Control Module Tcu Coupe Automatic Oem fits G35 2003–2004

Introducing the Infiniti A6400-06 Transmission Control Module (TCU) for the 2003-2004 G35 Automatic models. This advanced electronic component is specifically designed to regulate and control the hydraulic functions of your vehicle's automatic transmission, ensuring optimal performance and smooth shifting.

The Infiniti TCU is a sophisticated microprocessor-controlled module that communicates with other vehicle systems to monitor and adjust transmission operation based on engine speed, vehicle speed, and driving conditions. It utilizes a wide range of sensors to gather real-time data, allowing it to adapt to different driving styles and road conditions.

Key features of the Infiniti A6400-06 TCU include:

1. Adaptive Shift Control: This advanced feature uses engine speed, vehicle speed, and throttle position data to adjust shift points and provide smooth, responsive shifting in various driving conditions.

2. Torque Converter Clutch Control: The TCU manages the torque converter clutch, enabling seamless shifting and efficient power transfer between the engine and transmission.

3. Transmission Temperature Control: The module monitors transmission temperature to ensure proper shifting and transmission fluid cooling for extended transmission life.

4. Diagnostic Capabilities: The Infiniti TCU includes self-diagnostic functions, allowing it to detect and troubleshoot potential transmission issues, reducing the need for costly shop visits.

5. OEM Compatibility: This genuine Infiniti part is engineered to meet or exceed the performance specifications of the original component, ensuring reliable and accurate transmission control.

Installing the Infiniti A6400-06 TCU is a straightforward process that can be completed with basic automotive tools and some mechanical knowledge. The module is designed to plug directly into the wiring harness of the old TCU, making the installation process quick and hassle-free.

Upgrading your vehicle with the Infiniti A6400-06 Transmission Control Module not only enhances the performance of your automatic transmission but also provides peace of mind, knowing that you're using a genuine, high-quality OEM part. Trust Infiniti to deliver superior engineering and unmatched reliability with every component, including your transmission control module.

The Infiniti A6400-01 transmission control module (TCU), also known as the 2003 G35 automatic's power shift controller, is an essential component that regulates the vehicle's automatic transmission. Replacing a faulty TCU can improve the overall performance and reliability of your Infiniti G35. In this discussion, we will outline the pros and cons of purchasing this part and conclude with a recommendation.

Pros:

1. Improved Shift Quality: A new TCU can result in smoother, quicker shifts, enhancing the driving experience.

2. Better Fuel Economy: With proper functioning of the transmission system, the vehicle can achieve better fuel efficiency.

3. Reduced Transmission Noise: A faulty TCU can cause unwanted noises. Replacing it can lead to a quieter cabin.

4. Enhanced Transmission Durability: A new TCU ensures the transmission functions optimally, potentially increasing its lifespan.

5. Check Engine Light Elimination: If the Check Engine Light (CEL) is on due to a TCU issue, replacing it can resolve the issue and turn off the CEL.

Cons:

1. Cost: The Infiniti A6400-01 TCU is a relatively expensive part, which may deter some buyers.

2. Installation Complexity: Installing the TCU requires expertise, specialized tools, and a significant amount of time, adding to the overall cost.

3. Finding a Reliable Supplier: It is crucial to source the part from a reputable supplier to ensure its authenticity and compatibility with your vehicle.

Conclusion:

The decision to buy the Infiniti A6400-01 TCU for your 2003 G35 automatic depends on various factors, such as the severity of the transmission issues, your budget, and your willingness to invest time and effort in the installation process. If you experience significant transmission problems, frequent shifting issues, or a persistent check engine light, then purchasing a new TCU could be a worthwhile investment. However, for minor issues or those with limited budgets, it might be more cost-effective to consider alternative solutions or live with the existing issues.

Recommendation:

If you decide to proceed with the purchase, ensure that you source the part from a reliable and reputable supplier. Perform the installation yourself if you possess the necessary knowledge and skills, or consider having it done by a professional mechanic. Remember that a new TCU can significantly enhance the performance, reliability, and overall driving experience of your Infiniti G35 automatic.

Details:

Donor Vehicle Information: Year: 2003, model: G35, Mileage: 149000 Shown in Kilometers, unless noted. Light bulbs may be sent with the item purchased. Light bulbs are not covered under warranty. All modules purchased, must be bought with the understanding they may need to programmed your vehicle.

Tested and confirmed working. Transmission Control Module TCU - 2003 Infiniti G35 Coupe Automatic 03-04 OEM. Transmission Control Module TCU in good working condition, some normal wear and surface scratches. Warranty on electronic devices is void if identifying mark removed or has signs of tampering.

Shipping Notes. Extra Duties or Fees may apply. Part Number: A64000LP6. On time parts when promised.

Fitment chart is only a guide and not 100% accurate in some cases. Please see pictures of part. Easy to deal with. Buyer is purchasing the item with understanding that bulb or bulbs may not work and they are always recommended to be replaced before installing.

part #: a64000lp6 prices

  • $63.74-$117.93

specifications ecusrush:

  • for models: G35
  • for makes: Infiniti
  • for years: 2003-2004
  • part type: Control Transmission Module
  • conditions options: Transmission Control Module
  • genuine oem: Yes
  • interchange part number: 591-55732
  • descriptionpartcondition: Please See Pictures And Description As They Are Of The Actual Ite
  • manufacturer part number: A64000LP6

returns ecusrush:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Buyer

general ecusrush:

  • Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > ECUs Computer Modules
  • condition: Used

shipping ecusrush:

  • service: Standard
  • type: Fixed
  • class: Standard
  • cost: $0.00
  • transit: 3-8 Days

offer ecusrush:

  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • best offers: True
  • started: February 9, 2026
  • availability: In Stock

seller ecusrush:

  • # reviews: 2692
  • city: Blaine, Washington
  • rating: 98.3%

payments ecusrush:

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for models: g35, for makes: infiniti, for years: 2003-2004, part type: control transmission module, conditions options: transmission control module, genuine oem: yes, descriptionpartcondition: please see pictures and description as they are of the actual ite,
manufacturer: infiniti, category: auto parts > car truck parts accessories > starters, alternators, ecus wiring > ecus computer modules, sku: 13776220427626632,

Infiniti A64000LP6 Is Similar To:

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5 offers $63.74–$117.93 USD
  • Used. Offer #1 priced at $63.74 + $0.00 delivery = $63.74* total. FREE SHIPPING
  • Used. Offer #2 priced at $90.00 + $0.00 delivery = $90.00* total. Vehicle Year: 2003 2003 Infiniti G35 Coupe Automatic.FREE SHIPPING
  • Used. Offer #3 priced at $117.93 + $0.00 delivery = $117.93* total. FREE SHIPPING
  • Used. Offer #4 priced at $81.00 + $0.00 delivery = $81.00* total. Port Coquitlam, BC, Canada 2003 Infiniti G35 Coupe.FREE SHIPPING
  • Used. Offer #5 priced at $60.00 + $10.00 delivery = $70.00* total. Als Auto, Inc, 4339 Old Lincoln Hwy, Feasterville Trevose, PA 19053.+$10.00 shipping

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