Map Decoder

Audi A4 ECU Tuning

24 control units recorded across 80 Audi A4 engine variants.

Overview

ECUs fitted to the Audi A4

Vehicle brand
Audi
Model
A4
Control units
24
Engine variants
80
Solutions
11
Mapped DTC codes
18,478

The Audi A4 appears in Map Decoder's records with 24 different control units across 80 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 A4

Solutions

Solutions seen on Audi A4 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 A4 — frequently asked questions

Which ECU does the Audi A4 use?

Across the recorded Audi A4 files Map Decoder has seen 24 different control units: Bosch EDC16CP34, Bosch EDC16U34, Bosch EDC17C46, Bosch EDC17C54, Bosch EDC17C64, Bosch EDC17C74, Bosch EDC17CP04, Bosch EDC17CP14, Bosch EDC17CP20, Bosch EDC17CP24 and 14 more. The exact unit depends on engine and model year.

What tuning options exist for the Audi A4?

Depending on the fitted ECU: AdBlue / SCR 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 A4 variants are covered?

80 distinct engine variants are recorded for this model.

Tune your Audi A4

Map Decoder analyses Audi A4 files, detects the maps and generates a verified patch with the checksum corrected.

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