Engine control unit Audi A6 (4B, C5) 1997–2005 2.5 TDI 4B0907401C

Part type

Engine control unit

Also known as

ECU, Engine control module

Manufacturer

Audi

Model

A6 (4B, C5)

Years

1997–2005

Engine

2.5 TDI

SKU

4772803

OEM

4B0907401 [4B0 907 401]

4B0907401C [4B0 907 401 C]

0281001836 [0 281 001 836]

This engine control unit manages fuel delivery, timing and other core engine functions for the 2.5 TDI diesel in the Audi A6 (4B, C5). OEM codes 4B0907401C, 4B0907401 and 0281001836 should match your original unit for correct fitment and software compatibility. A practical replacement when your existing ECU has failed or is causing running or starting issues.