Catalogue identity
The TuningService.uk ECU catalogue records EDC16U31 M&S under Bosch EDC16 (catalogue record 1594, observed 10 November 2026). The catalogue name is an identification lead; it does not by itself prove vehicle fitment or software compatibility.
This entry is grouped with EDC16U31 by its catalogue name for navigation. That placement does not establish hardware or calibration equivalence.
Application evidence
An Alientech K-Suite vehicle list identifies a 2007 Volkswagen Touareg 7L 5.0 R50 V10 TDI, engine CBWA, as EDC16U31 M&S. An earlier Alientech Powergate list labels a 2007 Touareg 5.0 V10 TDI CBWA as EDC16U2.1 M&S instead. These conflicting tool-list names do not settle the exact installed variant; verify the controller part and software.
Tuning and identification
Volkswagen SSP 304 describes the V10 TDI unit-injector engine with two cooperating ECUs. For such a vehicle, identify both controller roles and save their own original reads; do not assume master and slave files are identical.
The V10 uses unit injectors rather than a common high-pressure rail. The conflicting U31/U2.1 tool labels make actual part number, software and tool-specific coverage especially important before choosing maps, checksum handling or a programming method.
Read EDC16 torque fuel and tuning basics and EDC16 variant application and tuning differences for the shared context. Examples are not an exhaustive fitment list; check the installed ECU and current tool documentation.
Identification photograph
This Volkswagen Touareg 5.0 TDI V10 ECU is labelled EDC16U31, Bosch 0 281 011 839 and VW 070 906 016 BC. A separate file listing for this hardware describes a master and slave pair. The photograph shows only one controller, and does not establish its original role.
Bosch Electronic Service: EDC16U31 0281011839; ChipCars: Touareg master and slave file listing.
Sources
Curated reference notes. Applicability follows the cited sources; hardware testing by this wiki is not implied.
- TuningService.uk owner ECU catalogue. TuningService.uk master ECU catalogue; administrator access required. Active Bosch EDC16 labels observed on 10 November 2026; this is a dated observation, not a live feed. Source revision Catalogue records and identifiers as observed 2026-11-10; accessed 2026-11-10.
- Alientech K-Suite vehicle list. Touareg R50 CBWA listed as EDC16U31 M&S. Accessed 10 November 2026.
- Alientech Powergate 3 list, version 1.38. Touareg CBWA listed as EDC16U2.1 M&S. Accessed 10 November 2026.
- Volkswagen Self-Study Programme 304: EDC16. V10 unit injectors and two-ECU control. Accessed 10 November 2026.