Harding Performance/TVS DSG Software – 7 speed DL501

Harding Performance/TVS DSG Software – 7 speed DL501

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Description

Used in longitudinal applications including A4-A7, Q5 and S4/S5/RS4/RS5.

Our driveability software package contains:

  • Optimised D mode shift program
  • Optimised S mode shift program
  • Fix for bouncing RPM needle
  • Increased shifting speed

Special performance package includes:

  • Increased torque limiter
  • Improved clutch clamping force capable of up to 700nm
  • Improved response from shift paddles
  • Optional launch control activation

Software updates from VW/Audi will not resolve these problems. Our software is not detectable.

Known issues and symptoms:

  • Q5 2.0 TDI; shifting at extremely low RPM (booming noise in cabin)
  • Q5 2.0 TSI; incorrect gear pre-selected
  • All; long delay from pre-selected paddles (except (S4/S5))
  • All; heavy vibrations when downshifting from 2nd to 1st gear
  • All; with higher mileage, knocking noise when downshifting

Five examples:

1. Poor gear shifting 2.0L engines

When entering a curve or a roundabout, the DSG has not selected an appropriate gear. This creates poor throttle response when accelerating.

2. All models with higher mileage

The Quattro system slowly gets more and more backlash in the gears. The prop shaft and rear differential also get more backlash. As a result the transmission occasionally knocks when changing gear.

3. Sports mode

Many drivers find that the DSG in S mode does not drive very well. The DSG downshifts too early and the engine will rev high. What we do is lower the S mode to make it more suitable for driving in the city.

4. Under revving – TDI

The DSG upshifts at extremely low RPM’s. Generally, when you are driving at 65kmh the DSG is already in 7th gear and between 1150rpm. When giving slight throttle the engine and gears start making audible vibration sounds during low RPM speeds. These sounds will become more noticeable over time if not fixed and will result in permanent flywheel damage. We can fix this problem by raising the shift RPM values and so reduce the frequent up and downshifts. The engine and DSG transmission will respond better and faster when applying throttle. Repair costs would be several times the cost of software. With a simple and affordable software package, your DSG will last longer and have better performance.

5. Maximum RPM – TDI

The engine rev limit at full throttle goes up as high as 4700rpm. We limit this to a more sensible RPM giving increased acceleration and less wear on the engine and turbo.

The software is jointly developed by Harding Performance and TVS Engineering to work seamlessly with Harding Performance or Racingline Performance OEM+ ECU software.

PLEASE NOTE
Our highly developed DSG software is unique in the marketplace, even though we can do near “miraculous” things to sort out driveability issues, increase torque holding, and in some cases fix shuddering caused by programming & wear. The software WILL NOT:
⦁ Repair damaged or faulty mechatronics units
⦁ Recover slipping clutches or repair slipping clutches
⦁ Repair worn gear sets or compensate for poorly serviced transmissions
⦁ Will not work with modified engine software, engine components & DSG hardware unless we deem the software & components to be 100% compatible before purchase of the DSG Software.
⦁ As the software is custom produced for each vehicle and set of specifications, it is not returnable.

Additional information

Calibration Type

Driveability, Performance

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This product is compatible with the following vehicles:

Year Make Model Engine
Year Make Model Engine
2007 - 2012 Audi A4 (B8) 3.0 V6 TDI
2008 - 2012 Audi S4 (B8) 3.0 V6 SUPERCHARGED
2008 - 2015 Audi S5 (8T) 3.0 V6 SUPERCHARGED
2008 - 2019 Audi Q5 (8R) 2.0 TDI
2008 - 2019 Audi Q5 (8R) 2.0 TURBO
2008 - 2019 Audi Q5 (8R) 3.0 V6 TDI
2010 - 2016 Audi A7 (4G) 3.0 V6 SUPERCHARGED
2012 - 2015 Audi A4 (B8.5) 3.0 V6 SUPERCHARGED
2012 - 2015 Audi A4 (B8.5) 3.0 V6 TDI
2012 - 2015 Audi A5 (8T) 3.0 V6 SUPERCHARGED
2012 - 2015 Audi RS5 (B8.5) 4.2 V8
2012 - 2015 Audi S4 (B8.5) 3.0 V6 SUPERCHARGED
2012 - 2016 Audi S6 (C7) 4.0 V8 BITURBO
2012 - 2016 Audi S7 (4G) 4.0 V8 BITURBO
2012 - 2017 Audi Q5 (8R) 3.0 V6 SUPERCHARGED
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