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TCU TUNE LEADING FEATURES
- Increases transmission torque limits
- Enables launch control in drive, sport, and manual modes
- Includes user-adjustable launch control
- Lightning-fast shift speed
- Stage 1 & 2 optimized shift points for the fastest acceleration
- Stage 1 & 2 Plus optimized shift points available
- Enables 7000 RPM limit in all gears in manual
- 7th and 8th gear enabled in sport mode
- Enables downshifting into 1st gear without coming to full stop
- Refined drive for the automotive enthusiast
- Reduces time for double-downshifting gears
- Line pressure increased to protect against trans slip
HIGH PERFORMANCE TRANSMISSION TUNING
IE ECU tunes far exceed the torque limitations of the stock RS5/RS4 transmission programming, which triggers the TCU to limit power output. The included IE stage 1 TCU tune raises these torque limits while keeping all transmission driving characteristics otherwise stock.
Stage 1 TCU is included with all ECU tunes at no extra charge.
IE's Stage 2 and 2 Plus TCU tunes are complete performance transmission calibrations that delivers lightening fast shifts, optimized shift points, multiple launch-control modes, enthusiast drive mapping, and more! Pairing this TCU calibration with an IE Stage 1 or Stage 2 ECU tune will significantly transform every aspect of your RS5 or RS4, delivering faster launches, higher Gs, and further improved acceleration. Stage 2 Plus TCU is for use with Stage 1 & 2 Plus ECU tune.
Stage 2 & 2 Plus TCU is an optional upgrade and sold separately.
STAGE 2 OPTIMIZED SHIFT POINTS
Stage 2 TCU remaps each gear's RPM limits for the fastest possible acceleration by shifting at the optimal points to keep the engine in peak torque/power output. This strategy pulls the car through the powerband as quickly as possible with incredible improvements in acceleration and G's. These optimized shift points occur when in drive mode, sport mode, and AMAX. The transmission limit remains 7000 RPM in all gears in manual mode, retaining complete manual control over the shift points.
STAGE 2 OPTIMIZED SHIFT POINTS
STAGE 2 PLUS OPTIMIZED SHIFT POINTS
| FEATURE |
STAGE 1 TCU |
STAGE 2 TCU |
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Enthusiast performance mapping
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User-adjustable variable launch control
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Enabled launch control in all drive modes
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Optimized shift RPM by gear
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Raised RPM limit in manual mode
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Enabled 1st gear downshift without coming to stop
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Faster shift speed for double-downshifting
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Stage 1 & Stage 2 ECU support
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