Skip to main content
English
English
Open search engine
Search
Close search engine Clear Search
Open search engine
Search
Close search engine Clear Search
English
English
Products in the cart: 0. See details
Open search engine
Search
Close search engine Clear Search

ECU Engine controller SEAT LEON 1.6 SIEMENS 5WP445703 06A906019BR

  • PARTS ECU Engine controller
  • BRAND AND MODEL SEAT LEON
  • NUMBER PARTS 5WP445703
  • NUMBER PARTS 06A906019BR
  • OPTION AVAILABLE Locked / Unlocked - Ready for programming
  • WARRANTY : 6-month warranty
  • INSPECTION: Device thoroughly inspected and tested by a certified technician
  • CONDITION USED ORYGINAL IN GOOD CONDITION
Siemens
with VAT without VAT
Price €200.00
Availability:
product-availability-module In stock

Wybierz wariant produktu:

Individual variants may differ in price

Select 1) LOCKED 2) UNLOCKED / READY FOR PROGRAMMING
Click to check the logout options for this device
pcs.

Fast Delivery

DHL Express - 30 euro

6 Month Warranty

Returns Possible up to 14 days

Secure payments

Stripe - Paypal - Credit Card
Ask about the product
Shipping from €30.00 - shipping (Poland)

Price 30 euros applies shipments to 5 kg on worldwide. Above this weight, please contact us by email to check price


PRODUCT DETAILS

  • PARTS ECU Engine controller
  • BRAND AND MODEL SEAT LEON
  • NUMBER PARTS 5WP445703
  • NUMBER PARTS 06A906019BR
  • OPTION AVAILABLE Locked / Unlocked - Ready for programming
  • WARRANTY : 6-month warranty
  • INSPECTION: Device thoroughly inspected and tested by a certified technician
  • CONDITION USED ORYGINAL IN GOOD CONDITION

ECU ENGINE CONTROLLER SEAT LEON 1.6 SIEMENS 5WP445703 06A906019BR

Tested ECU Engine controller Siemens for Seat Leon 1.6, part numbers 5WP445703 and 06A906019BR, with warranty and fast shipping.

Go to full description

ECU Engine controller SEAT LEON 1.6 SIEMENS 5WP445703 06A906019BR

Which Seat Leon versions use the 5WP445703 06A906019BR ECU Engine controller?

The ECU Engine controller SEAT LEON 1.6 SIEMENS 5WP445703 06A906019BR should be matched by the label codes on your original unit. It appears in selected Seat Leon 1.6 versions, so the safest method is to compare 5WP445703 and 06A906019BR directly on the ECU label.

If your ECU shows 5WP445703 and 06A906019BR, these are the correct references for a compatible Seat Leon 1.6 replacement.


Is “5WP4457 03” the same as “5WP445703” on a Siemens ECU?

You may see the same code written as 5WP4457 03 or without spaces as 5WP445703. What matters is that the exact sequence matches your original ECU label.

For Seat Leon fitment, compare the full markings and match both numbers: 5WP445703 and 06A906019BR.


What does the Siemens engine controller do in a Seat Leon 1.6?

The Siemens engine controller in a Seat Leon 1.6 manages engine operation during everyday driving. It processes sensor signals and controls key parameters to keep the engine running smoothly.

The ECU identified by 5WP445703 and 06A906019BR also supports proper communication with the vehicle’s electronics, helping maintain stable performance.


What symptoms can a faulty Seat Leon 06A906019BR ECU cause?

A faulty Seat Leon 06A906019BR ECU can cause starting problems, rough running, loss of power, or recurring diagnostic errors.

Because similar symptoms can also be caused by wiring or sensors, it’s best to select the replacement strictly by 5WP445703 and 06A906019BR.


Does the SEAT LEON 1.6 5WP445703 06A906019BR ECU need coding after installation?

Depending on the vehicle version, the SEAT LEON 1.6 5WP445703 06A906019BR ECU may require coding or adaptation after installation, especially when immobilizer functions are involved.

This ECU is tested before dispatch, covered by warranty, and shipped fast. Matching 5WP445703 and 06A906019BR helps reduce post-swap issues.

Blog

  • How to Check the Operation of a Transmission Control Module in a Car – A Comprehensive Diagnostic Guide

    An automatic transmission is one of the most advanced and complex components in a modern car. It combines precise mechanics, intricate hydraulics, and sensitive electronics. The brain of the entire system is the transmission control module (TCM)—an electronic unit responsible for analyzing data from dozens of sensors and making gear-shifting decisions in fractions of a second.

    When this crucial component fails, the comfort and safety of driving drop drastically. In the following article, we explain how to correctly diagnose and check the operation of an automatic transmission control module, what symptoms to look out for, and what solutions to choose in case of failure.

    Read more
  • Burnt Automatic Transmission Control Module – Symptoms, Diagnosis, and an Effective Solution

    The automatic transmission is an incredibly complex system, combining advanced mechanics, hydraulics, and precise electronics. The brain of this entire operation is the transmission control module, commonly known as the TCM. In fractions of a second, this device analyzes data from speed sensors, throttle position, and engine RPM to make decisions about the perfect moment to shift gears.

    Unfortunately, due to harsh working conditions, these modules can be prone to serious failures. One of the most critical faults is the physical burning of the electronics inside the module. In the following article, we will take a closer look at this phenomenon, discuss the characteristic symptoms, and advise on the most cost-effective way to deal with this expensive problem.

    Read more
    FAQ
    1. How can I choose the correct product for my vehicle?
    odpowiedzCompatibility should always be verified using the part number shown on the module label. If you are unsure, you can send us a photo of your original unit for verification — our technical support team will respond as quickly as possible.
    2. What is the shipping time and warranty?
    We offer express shipping across Europe and worldwide using DHL, UPS, or FedEx. All products come with a 6-month warranty.
    3. Is the product tested before shipping?
    odpowYes, all modules are fully tested for communication and proper operation before shipping. Products are secured with warranty seals.iedz
    4. How can I pay for the product?
    We offer multiple online payment methods including Stripe, PayPal, Google Pay, Apple Pay, Visa, Mastercard, and other local payment options available depending on your country.