28100PX4732

The Honda 28100px4732 Transmission Control Unit (TCU) or Torque Control Unit is a crucial electronic component of the automatic transmission system in certain Honda Accord models manufactured between 1990 and 1991. This specific TCU part number, 28100px4732, is designed for the 4-speed automatic transmission (4M2) found in these vehicles, which is identified by the engine code B7.

The Transmission Control Unit plays a vital role in managing the shifting patterns and various functions of the automatic transmission. It communicates with the engine control module (ECM) and other vehicle systems to ensure smooth and efficient power delivery to the wheels. This component uses advanced sensors and algorithms to monitor engine speed, vehicle speed, and other operational parameters in real-time to optimize shift points, fuel economy, and overall performance.

The 28100px4732 TCU is a compact, yet sophisticated electronic module with various input and output interfaces. It features multiple connectors for various sensors, such as throttle position, vehicle speed, engine coolant temperature, and more. It also has several output connections to control various transmission functions, such as shift solenoids and hydraulic pressure modulators.

The Honda TCU is designed to be robust and reliable, but like any electronic component, it can still fail over time due to wear and tear, internal faults, or external damage. Common symptoms of a faulty TCU include erratic shifting patterns, delayed or hard shifts, transmission slipping, or the check engine light illuminating on the dashboard.

Replacing the 28100px4732 TCU with a genuine Honda replacement part can help restore the automatic transmission system to its optimal performance. This part is engineered to meet or exceed the original equipment specifications, ensuring proper communication between the transmission and the rest of the vehicle systems. Installing this part typically requires removing the old TCU, connecting the new one to the appropriate sensors and wiring harnesses, and reprogramming the new TCU if necessary.

In summary, the Honda 28100px4732 Transmission Control Unit (TCU) is a vital component of the automatic transmission system in certain Honda Accord models from 1990 and 1991. This part helps manage shifting patterns and various transmission functions by communicating with other vehicle systems, and it features multiple input and output interfaces for various sensors and actuators. When the TCU fails, it can cause erratic shifting patterns, delayed or hard shifts, transmission slipping, or the check engine light to illuminate. Replacing the faulty TCU with a genuine Honda replacement part can help restore the automatic transmission system to its optimal performance.

Pros and Cons of Buying a Honda 28100PX4732 Accord (1990-91) Transmission Control Module (TCU) 4M2 704B7

The Honda Accord is a popular car model known for its durability and reliability. However, like any other vehicle, it may require the replacement of certain parts over time. One such part is the Transmission Control Module (TCU), which is responsible for managing the hydraulic and electrical functions of the transmission. In this article, we will discuss the pros and cons of buying a Honda 28100PX4732 Accord (1990-91) TCU 4M2 704B7.

1. Improved Transmission Performance: A new TCU can restore the original performance of the transmission, making your driving experience smoother and more enjoyable.

2. Reduced Check Engine Light: If the TCU is causing the check engine light to illuminate, replacing it may help turn off the warning light and prevent potential further damage to the vehicle.

3. Enhanced Fuel Efficiency: A properly functioning TCU can help improve fuel efficiency by ensuring the transmission is operating at its optimal level.

4. Cost-Effective: Compared to the cost of having a professional mechanic diagnose and repair transmission issues, buying a new TCU can be a more cost-effective solution.

1. Installation Complexity: Installing a new TCU can be a complex process that requires advanced knowledge and tools. It is recommended to have the part installed by a professional to avoid potential damage to the transmission or other components.

2. Cost: The price of a new Honda 28100PX4732 Accord (1990-91) TCU 4M2 704B7 can be relatively expensive, especially when considering the labor costs for installation.

3. Availability: Finding a new or even a rebuilt TCU for older models like the 1990-91 Honda Accord can be difficult, as these parts may no longer be in production.

The decision to buy a Honda 28100PX4732 Accord (1990-91) TCU 4M2 704B7 depends on various factors, including the severity of the transmission issues, the cost of the part and installation, and the availability of the part. If you are experiencing transmission problems and the TCU is identified as the cause, replacing it may be a necessary investment to restore the performance and reliability of your vehicle. However, if the cost and complexity of the installation outweigh the benefits, it may be worth considering alternative solutions, such as selling the vehicle or having other transmission components repaired instead. Ultimately, it is recommended to consult with a professional mechanic for an accurate diagnosis and advice on the best course of action.

If you have determined that a new Honda 28100PX4732 Accord (1990-91) TCU 4M2 704B7 is the best solution for your transmission issues, it is recommended to purchase the part from a reputable supplier and have it installed by a certified mechanic to ensure a proper installation and optimal performance. Additionally, considering the cost and complexity of the installation, it may be worth exploring financing options or shopping around for competitive pricing to help minimize the overall cost.

Details:

Match part numbers: verify part numbers and inspect pictures before buying. Expeditious shipping. Please also see pictures. May need reprogramming.

3: performance: using the correct part contributes to optimal vehicle performance and safety. By verifying the part number, you ensure that is compatible with your vehicles requirements.2: precise fit: even slight variations in numbers can result differences size, shape, or functionality.

specifications perfoelectric:

• for models: B7, Accord
• for years: 1990-91
• brand: Honda
• mpn: 28100px4732
• part type: Control Module
• genuine oem: Yes
• descriptionpartcondition: Used, Good Condition, Match Part Number Please Make Sure To Match

returns perfoelectric:

• paid by: seller
• policy: returns accepted
• time: 30 days

payments perfoelectric:

• credit card: visa
• wallet: paypal
• other

general perfoelectric:

• category: Auto Parts > Electrical Components

seller perfoelectric:

• # reviews: 13964
• rating: 99.9%
• city: sugar land, texas

offer perfoelectric:

• in stock #: 5
• sold #: 12
• availability: in stock
• started: march 31, 2026
• options: ship-to-home
• prices: $29.99–$299.99
• item condition:
  • Used
  • Remanufactured

shipping perfoelectric:

• transit: 3-8 days
• class: expedited
• type: fixed
• carrier: usps
• service: usps priority mail

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