Catalogue identity
The TuningService.uk ECU catalogue records EDC16C4 under Bosch EDC16 (catalogue record 1584, observed 10 November 2026). The catalogue name is an identification lead; it does not by itself prove vehicle fitment or software compatibility.
Application evidence
AutoTuner’s compatibility list associates an EDC16C4 entry with Audi. The list alone does not establish a particular engine for every C4.
Tuning and identification
Confirm the exact application, controller and calibration before choosing a definition or a programming protocol.
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.
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.
- AutoTuner: ECU compatibility list. AutoTuner; tool coverage by manufacturer and ECU, not a comprehensive fitment claim. Source revision Compatibility list; accessed 2026-11-10.