Skip to product information
1 of 1

1997-2001 Porsche 986-618-225-03 Automatic Transmission Control Module TCM TCU

1997-2001 Porsche 986-618-225-03 Automatic Transmission Control Module TCM TCU

Regular price $975.00 USD
Regular price Sale price $975.00 USD
Sale Sold out
Shipping calculated at checkout.

1997-2001 Porsche 986-618-225-03 Automatic Transmission Control Module TCM TCU
Part number: 986-618-225-03, 98661822503
Replaces: 98661822500, 98661822501, 98661822502

The module serves as the dedicated computer responsible for managing the electronic functions of your vehicle's 5-speed Tiptronic automatic transmission. It handles critical drivetrain tasks, including: Shifting Logic: Calculating optimal gear selection, downshifts, and upshift points based on engine load, vehicle speed, and driver input.
Tiptronic Integration: Processing manual gear overrides when you use the steering wheel buttons or gear selector toggles. Component Communication: Exchanging vital data with the main engine control module (DME) to smoothly reduce engine torque during shifts, protecting internal clutches.

If you are replacing a defective module, keep in mind that a used replacement module sourced online often requires diagnostic pairing or reprogramming with a Porsche PST2 or PIWIS scanner to function correctly with your vehicle's VIN and immobilizer system. We can also repair or program these modules in-house. We keep many modules in stock and can provide a plug-and-play replacement when you send us your original module, eliminating the need for additional coding or programming on your end.

2001    Porsche    Boxster    Roadster    2.7L H6 - Gas
2000    Porsche    Boxster    Roadster    2.7L H6 - Gas
1999    Porsche    Boxster    Base    2.5L H6 - Gas
1998    Porsche    Boxster    Base    2.5L H6 - Gas
1997    Porsche    Boxster    Base    2.5L H6 - Gas

0260002670 ZF 6058006170 68661825505
0260002414 98661822500 
0260002670 98661822501
0260002561 98661824001

View full details

Remanufactured

We rebuild OEM control modules with upgraded components to prevent common failures. Unlike junkyard parts that may fail within months, our modules are thoroughly tested and backed by a 6-month warranty. If it fails under warranty, reprogramming is free.

How It Works

Ship us your faulty module. We extract your original data (VIN, mileage, key codes, calibrations) and transfer it to a remanufactured unit. Your old module is recycled for parts. You receive a plug-and-play replacement ready to install.

What to Expect

Turnaround: 2-3 business days

Warranty: 6 months

Programming: Not required—plug and drive

Core Required: Yes (your original module)

About ECU Maverick — OEM Remanufactured Plug & Play Control Modules

ECU Maverick supplies OEM-quality remanufactured control modules, pre-programmed and ready to install. Based in Fort Myers, Florida, we serve independent repair shops, dealerships, and vehicle owners nationwide.

Every module we sell is thoroughly tested, remanufactured to OEM specifications, and programmed to your specific vehicle. No dealer visits, no additional coding, no hassle, ust plug in and drive.

Vehicles We Support

We stock and program modules for European luxury and performance brands, including BMW, Mercedes-Benz, Audi, Porsche, Land Rover, Bentley, Ferrari, Lamborghini, Maserati, and Aston Martin. We also carry modules for domestic vehicles, heavy equipment, and marine applications.

Why Automotive Repair Facilities and Owners Buy From Us

Plug-and-Play Ready — Every module ships pre-programmed and coded to your VIN. No dealer required.

Fast Shipping — Most orders ship within 2–3 business days. Same-day rush available.

OEM Quality — Remanufactured to original equipment standards with component-level inspection and testing.

Direct Support — Text or call us to speak with a real person. We help you find the right module the first time.

6-Month Unlimited Mileage Warranty — Drive with confidence. Our warranty covers you regardless of how many miles you put on.

Our Commitment

We exist to keep your vehicle out of the dealership and back on the road—with quality parts, transparent pricing, and expert support from start to finish. Every module we sell meets the same standards we'd expect for our own vehicles.