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Porsche > Cayman 718C (982C) 2017>> > Cayman S 718 2.5L PDK (350 Bhp) > Gearbox / Transmission > Gearbox Parts > Tiptronic & PDK Valve body / Control unit >

Tiptronic Gearbox Valve Body. Porsche 955 Cayenne 4.5L Turbo 2003-06  ❭  95532503900

Tiptronic Gearbox Valve Body. Porsche 955 Cayenne 4.5L Turbo 2003-06 - 95532503900
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95532503900
Product Information
Product Information
Tiptronic Gearbox Valve Body.

The Tiptronic Gearbox Valve Body is a critical component within the automatic transmission system, responsible for controlling the flow of transmission fluid through the gearbox. Often referred to as the “brain” of the hydraulic transmission system, the valve body directs pressurised fluid to the correct clutches and bands to enable smooth and precise gear changes.

Fits:

  • Porsche 955 Cayenne Turbo 4.5L 2003-06


Diagram Ref No 1

What This Product Does:

  • Controlling hydraulic fluid flow within the gearbox
  • Directing fluid pressure to the appropriate clutches and bands
  • Enabling smooth and accurate gear changes
  • Working with the transmission control unit (TCU) to manage shifting
  • Maintaining correct hydraulic pressure within the transmission

Symptoms Of Wear Or Failure:
  • Harsh or jerky gear shifts
  • Delayed gear engagement
  • Transmission slipping between gears
  • Transmission warning lights or fault codes
  • Gearbox entering limp mode
  • Inconsistent or incorrect gear selection

Why Replacement Matters:
  • Restore smooth and precise gear changes
  • Maintain correct hydraulic pressure within the gearbox
  • Protect internal transmission components
  • Improve overall driving performance and reliability
  • Prevent costly transmission damage or failure



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95532503900
95532503900

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PDK Distance and Speed Sensor - 7 Speed. Porsche 987.2 / 981 / 718 Boxster / Cayman - PDKDS
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PDK Distance and Speed Sensor - 7 Speed. Porsche 987.2 / 981 / 718 Boxster / Cayman
PDKDS
Product Information
Product Information

PDK Distance & Speed Sensor for 7-Speed PDK

The Porsche PDK Distance and Speed Sensor is a critical component in the dual-clutch transmission system. It continuously supplies the transmission control unit (TCU) with real-time position data of the gear shift rods and wheel/turbine speed. This data ensures precise gear engagement, fast shifts and smooth driving performance in everyday and high-load conditions.

Fits:

  • Porsche Boxster 987 MKII 2.9L 2009-12
  • Porsche Boxster S 987 MKII 3.4L 2009-12
  • Porsche Boxster 981 2.7L 2012-16
  • Porsche Boxster 981 S / GTS 3.4L 2012-16
  • Porsche Boxster 981 Spyder 3.8L 2016
  • Porsche Boxster 718 2.0L PDK (300 Bhp)
  • Porsche Boxster S 718 2.5L PDK (350 Bhp)
  • Porsche Boxster T 718 2.0L PDK (300 Bhp)
  • Porsche Boxster GTS 718 2.5L PDK (365 Bhp)
  • Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
  • Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp)
  • Porsche Cayman 2.9L 987C MKII 2009-12
  • Porsche Cayman S / R 3.4L 987C MKII 2009-12
  • Porsche Cayman 2.7L 981 2013-16
  • Porsche Cayman S / GTS 3.4L 981 2013-16
  • Porsche Cayman 718 2.0L PDK (300Bhp)
  • Porsche Cayman S 718 2.5L PDK (350Bhp)
  • Porsche Cayman T 718 2.0L PDK (300 Bhp)
  • Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
  • Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
  • Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
  • Porsche Cayman GT4 RS Clubsport 2020-2024

Without accurate distance and speed sensor input, the PDK system can behave unpredictably, losing its ability to shift gears correctly. When the TCU cannot detect gear positions or speed signals, it may lock the gearbox into one gear or enter a safe “limp mode,” severely limiting vehicle performance and drivability.

Why Distance and Speed Sensors Fail

PDK gearbox sensors are exposed to extreme heat, torque spikes and constant vibration over time. Common reasons these sensors fail include:

  • Wear from prolonged exposure to high transmission temperatures
  • Electrical issues like broken connections, short circuits or degraded wiring
  • Normal mechanical degradation from age and mileage
  • Contaminated transmission fluid affecting sensor integrity

When these sensors start to fail, the transmission control unit receives incorrect or no data, which triggers fault codes and incorrect gear shift behavior.

Common Fault Signs and Error Codes

Drivers and technicians often identify distance and speed sensor failures by diagnostic trouble codes or visible symptoms, such as:

  • PDK gearbox fault warning on dashboard
  • Gearbox stuck in a single gear or neutral Jerky or delayed gear changes
  • Error codes like P1731 to P1734 for distance sensor issues
  • Fault codes such as P0730, P1743, P1744 related to speed sensor faults

These indications show that the sensor no longer reports accurate position and speed information to the transmission control unit.

Why You May Need a Replacement Sensor

If your Porsche PDK shows gearbox faults or fails to shift smoothly, a renewed PDK distance and speed sensor can restore proper transmission operation without resorting to costly gearbox replacement. Unlike full transmission swaps, which can run into tens of thousands of pounds, replacing the internal high-quality sensor pack offers a targeted fix that restores driveability and performance.

For performance enthusiasts, frequent track use or high-mileage cars, replacing failing sensors early can prevent further internal wear, avoid limp mode events and protect expensive transmission hardware.

Quality Replacement Parts for Porsche PDK Transmissions

At Design911, we source high-integrity PDK distance and speed sensors designed to meet or exceed OEM specifications for Porsche Boxster / Cayman models equipped with ZF 7DT45 or 7DT70 transmissions. These units are engineered for durability in high-heat, high-load environments and are supplied as complete assemblies with harness and connectors where applicable.

Upgrading or replacing the PDK distance and speed sensor is essential for:

  • Porsche PDK owners experiencing gearbox fault codes
  • Drivers who want reliable shifting and transmission response
  • Vehicles with high mileage or extreme usage conditions
  • Preventative maintenance before major transmission failures