Map Decoder

Audi A3 ECU Tuning

18 control units recorded across 67 Audi A3 engine variants.

Overview

ECUs fitted to the Audi A3

Vehicle brand
Audi
Model
A3
Control units
18
Engine variants
67
Solutions
12
Mapped DTC codes
13,622

The Audi A3 appears in Map Decoder's records with 18 different control units across 67 engine variants. Which unit a particular car has depends on its engine and production year — upload the original read and Map Decoder identifies it from the binary.

Control units

Supported ECUs for the Audi A3

Solutions

Solutions seen on Audi A3 ECUs

Each operation is backed by a stored modification on at least one of the control units above.

Related models

Other Audi models

FAQ

Audi A3 — frequently asked questions

Which ECU does the Audi A3 use?

Across the recorded Audi A3 files Map Decoder has seen 18 different control units: Delphi DCM6.2, Bosch EDC16CP34, Bosch EDC16U34, Bosch EDC17C46, Bosch EDC17C64, Bosch EDC17C74, Bosch EDC17CP14, Bosch EDC17CP20, Bosch MD1CS004, Bosch MED17.5.20 and 8 more. The exact unit depends on engine and model year.

What tuning options exist for the Audi A3?

Depending on the fitted ECU: AdBlue / SCR Off, Additive (Eolys) Off, Catalyst Off, DPF Off, EGR Off, Lambda / O2, MAF Off, NOx Off, OPF / GPF Off, Speed Limiter (VMAX) Off, Stage 1 and Throttle Valve (TVA).

How many Audi A3 variants are covered?

67 distinct engine variants are recorded for this model.

Tune your Audi A3

Map Decoder analyses Audi A3 files, detects the maps and generates a verified patch with the checksum corrected.

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