AUDI · DQ381 TCU

AUDI A4 DQ381 tuning files

Everything we work with on the AUDI A4 fitted with the DQ381. Across the matched variants stock power runs from 115 to 190 HP. Stage 1 and Stage 2 are the safe starting points for this platform. We match the right calibration to your exact software and validate it before delivery.

Upload your file →All A4 coverage

Available solutions

Solutions that apply to the DQ381 on this vehicle platform. The exact set depends on the specific engine and software version.

Gearbox / TCU tuningLaunch controlFaster shift timesRaised torque limiter

Engine variants & TCU software

2 distinct variants for the AUDI A4 on the DQ381 TCU. Reference the engine and controller software when you upload.

Variant 1

TCU

Catalog engine: 2000 190HP
Controller brand: TEMIC
TCU: DQ381
Stock power: 190 HP
SW upgrade: 0GC300013_2303
Calibration: 0GC300013

Variant 2

TCU

Catalog engine: 2000 115HP
Controller brand: TEMIC
TCU: DQ381
Stock power: 115 HP
Calibration: 0GC300020A

Related vehicles

Other vehicles built on the DQ381 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the AUDI A4 on the DQ381?

Gearbox / TCU tuning, Launch control, Faster shift times, Raised torque limiter. The exact set depends on the specific engine and software version.

Do you cover the DQ381 TCU software on this model?

Yes — the AUDI A4 on the DQ381 TCU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.