ECU Engine controller Seat Ibiza Cordoba 1.2 AZQ 03E906033P Siemens 5WP40196 Benzin Simos 3PE 4729
Which models use ECU 03E906033P / 5WP40196?
This ECU Engine controller with part numbers 03E906033P and Siemens 5WP40196 is associated with Seat Ibiza and Seat Cordoba vehicles with the 1.2 AZQ petrol engine. The safest way to confirm fitment is to match the exact numbers from your original ECU label.
You may also see the same part number written with spaces as 03E 906 033 P—this is the same identifier as 03E906033P.
What does the Simos 3PE 4729 engine ECU do in a Seat Ibiza 1.2 AZQ?
The engine ECU controls key engine functions during driving. It processes sensor signals and manages essential parameters so the Seat Ibiza 1.2 AZQ runs smoothly and consistently.
Simos 3PE versions (for example with the 4729 marking) can be specific to certain setups, so the most important match is 03E906033P together with 5WP40196.
Common symptoms of a faulty Siemens ECU 5WP40196 in Seat Cordoba
A failing Siemens ECU 5WP40196 can cause hard starting, rough running, loss of power, or a Check Engine light. In some cases, fault codes may return even after clearing.
This ECU 03E906033P / 5WP40196 is tested before shipping, so you receive a verified unit with warranty and fast delivery.
Why is part number 03E906033P critical when choosing an ECU for Seat Ibiza?
Part number 03E906033P identifies a specific ECU version for the Seat Ibiza 1.2 AZQ. Even similar-looking units can differ in configuration, which may lead to incorrect operation after installation.
Before ordering, compare all label markings, especially 03E906033P and Siemens 5WP40196.
Does Seat ECU 03E906033P require coding or adaptation?
Depending on the vehicle’s electronics, the Seat Ibiza/Cordoba ECU 03E906033P may require adaptation after installation so it can work correctly with the rest of the system.
Exact matching of 03E906033P and 5WP40196 makes installation easier and helps ensure proper operation after replacement.