The Automotive Clinic — Tuning Files

Software 03L906023MN Siemens/Continental PCR2.1

63 master projects carry this software number, 56 with a modified version. Upload your read to have the tune transferred into your own file, or buy the file exactly as we hold it by software number. Modified files from $275, original (stock) files from $75 AUD. Trade accounts see their own pricing after log in.

Fitted to

Volkswagen Golf 1.6 TDI ×22
Volkswagen Golf 1.6 TDI CR ×20
Volkswagen Golf 1.6 ×4
Volkswagen ×4
Volkswagen Golf ×3
Volkswagen 1.6 TDI ×3
Volkswagen Golf 6 1.6 TDI CR ×2
Audi A1 1.6 TDI CR ×2
Volkswagen Golf 6 1.6 TDI ×2
Volkswagen Golf 1.6 TDI CR Variant

ECU

Siemens/Continental / Siemens
PCR2.1
VAG

Hardware / part numbers

03L907425C

Read with

9979
9971
Alientech Kess V2
9978

Modifications available

Have the read? Upload it.
Your own file comes back with the modification built in, checked for a 100% match before it's offered.
Upload your read →
Can't read the ECU? Buy by software number.
The stock or modified file exactly as we hold it, to write with your tool. Make sure your ECU carries 03L906023MN and the same hardware number.
See files & prices →

Vehicle pages: Audi A1 · Volkswagen Golf · Volkswagen Golf 6

Files are supplied for off-road / motorsport use; checksums are corrected by your flashing tool on write. Last project update 2026-09-24.

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