Audi S8 (4H) 4.0T 4G0927158BL 1005 - TCU Stage 1

Make Audi
Model S8 (4H)
Engine 4.0T (520)
ECU Supplier ZF
ECU Model AL551
Mfgr. ID 4G0927158BL 1005
Supplier ID ZKAX8U36
Misc. ID ZX8U3600
Project Type TCU Stage 1
Description
  • Torque limit increased
  • Shifting speed significantly increased
  • Shift points optimized in all gears to have maximum torque output (e.g. 1->2 at 7200 RPM)
  • Tiptronic set to full manual mode
  • Faster shifts during AMAX
  • Launch control can build more boost
  • Launch control counter limit removed
  • Launch control waiting time removed
  • Monitoring and other engine RPM limiters increased to 7500+ RPM
  • Fixed factory calibration issue that causes hard shifting with 3->2 shift when coming to a fast stop after dynamic driving (TCC locked up too long)
Original Files
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4H1927158BL_1005_Original.zip
Modified Files
4H1927158BL_1005_Stage_1.zip
Credits 20
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