The Automotive Clinic — Tuning Files

Software 7H12-12C520 Visteon DCU102

91 master projects carry this software number, 90 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

Land Rover ×26
Land Rover Defender 2.4 TD4 ×16
Land Rover Defender 2.5 TD5 ×11
Land Rover Defender ×9
Land Rover Defender 2.4 TD ×5
Land Rover Defender 2.4td4 ×5
Land Rover Defender 2.4 TD5 ×3
Land Rover Defender 2.2 TD4 ×2
Land Rover Defender 2.4TD4 ×2
Land Rover Defender TD4

ECU

Visteon
DCU102 / DCU-102 / DCU106

Hardware / part numbers

12C520
7H12-12B684-AA
7H12-12B684-AB
7H12-12C5
7H12-12C520-BK
7H12-12K532-ADE
7H12-12K532-EAD
7H12-12K532-EDD
95790786796
CGS-ST10F276
DNNS507800
Undefined

Read with

FGtech OBD
Undefined
Autotuner OBD
CMD
Alientech Kess V2

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 7H12-12C520 and the same hardware number.
See files & prices →

Vehicle pages: Land Rover Defender · Land Rover Discovery

Files are supplied for off-road / motorsport use; checksums are corrected by your flashing tool on write. Last project update 2025-10-29.

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