Description
Product Overview
The GZTianSai Engine Control Module is a direct replacement for the OEM computer in a 2001 Dodge Ram 1500 equipped with a 3.9L V6 engine. Constructed from lightweight aluminum, the housing resists corrosion and heat, extending service life. It features a rectangular 3‑row, 32‑pin connector designed to match the factory harness exactly, eliminating wiring modifications. Flash programming is required, allowing the module to be calibrated to your vehicle’s VIN for optimal performance and emissions compliance. The unit complies with OE part numbers 56040254AA through 56040254AF, ensuring a perfect fit without additional mounting hardware.
![[Product front view showing all components]](https://www.radiantlight.store/wp-content/uploads/2026/06/06ad2676919c49e8b6977c699892f7f7.jpg)
Usage
This control module is intended for replacement of a failed or malfunctioning engine computer in the specified Dodge Ram model. Ideal for owners performing a DIY repair, professional mechanics, and fleet maintenance shops, the module restores engine timing, fuel injection, and sensor communication once properly programmed. It is suited for both street driving and light commercial use, delivering consistent powertrain control across varied driving conditions.
Why Choose Us
GZTianSai rigorously tests each module to exceed original equipment standards, incorporating enhanced circuitry that addresses common failure points such as voltage spikes and thermal stress. Our quality assurance process includes functional testing, environmental stress screening, and a final verification against the vehicle’s calibration data. In addition, we provide dedicated technical support to guide you through the programming process, ensuring a hassle‑free installation.
Key Features
- Aluminum housing offers superior heat dissipation and rust resistance for long‑term durability.
- Exact 32‑pin rectangular connector guarantees a plug‑and‑play fit without rewiring.
- Flash programming capability allows custom calibration to match your vehicle’s VIN.
- Meets and exceeds OE part numbers, ensuring compatibility with factory specifications.
- Responsive after‑sales support assists with programming instructions and warranty claims.
FAQ
Do I need professional equipment to program this module?
Yes, the module requires a compatible flash programming tool that can read and write the vehicle’s calibration data. Many automotive shops have the necessary equipment, and we can recommend affordable options for DIY users.
Will this module work on other Dodge models?
The module is specifically calibrated for the 2001 Dodge Ram 1500 with a 3.9L V6 engine. Using it on other models may result in incompatibility or error codes.
Is mounting hardware included?
No, the module uses the factory mounting points and does not require additional hardware.
What is the warranty period?
We offer a 12‑month limited warranty covering defects in materials and workmanship.
Can I install the module myself?
Yes, the design is DIY‑friendly. Disconnect the battery, remove the old unit, plug in the new module, and have it programmed. Follow the safety precautions in the installation guide.




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