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Porsche > 991 (911) MK1 2012-2016 > 991.1 Turbo S 3.8L (560 Bhp) 2014-16 > Gearbox / Transmission > Gearbox Parts > Tiptronic & PDK Valve body / Control unit >

Tiptronic Gearbox Valve Body. Porsche 955 Cayenne 3.2L / Cayenne S 4.5L 2003-06  ❭  95532503910

Tiptronic Gearbox Valve Body. Porsche 955 Cayenne 3.2L / Cayenne S 4.5L 2003-06 - 95532503910 - G-VBO-09D-A
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Product Information
Product Information

Tiptronic Gearbox Valve Body.
The Tiptronic Gearbox Valve Body is a critical hydraulic control unit within the automatic transmission system. It manages the flow of transmission fluid throughout the gearbox, directing hydraulic pressure to the appropriate clutches and gear sets to enable smooth and precise gear changes.

Fits:

  • Porsche 955 Cayenne 3.2L V6 2003-06
  • Porsche 955 Cayenne S 4.5L V8 2003-06
  
Diagram Ref No 1

What This Product Does:

  • Regulating transmission fluid flow within the gearbox
  • Directing hydraulic pressure to transmission clutches and bands
  • Enabling smooth, controlled gear shifts
  • Working with the transmission control unit (TCU) to manage shift timing
  • Maintaining proper hydraulic pressure for transmission operation

Symptoms Of Wear Or Failure:
  • Harsh or jerky gear changes
  • Delayed gear engagement
  • Transmission slipping between gears
  • Erratic shifting behaviour
  • Transmission warning lights or fault codes
  • Gearbox entering limp mode

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



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Related, superseded, cross reference or alternative numbers for comparison.

95532503910
95532503910

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PDK Distance and Speed Sensor - 7 Speed. Porsche 997.2 / 991 - PDKDS/1
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PDK Distance and Speed Sensor - 7 Speed. Porsche 997.2 / 991
PDKDS/1
Product Information
Product Information

911 PDK Distance & Speed Sensor

The Porsche PDK Distance and Speed Sensor is a critical component in the dual-clutch transmission system of the 911. 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 997 MKII Carrera C2 3.6L 2009-12
Porsche 997 MKII Carrera C4 3.6L 2009-12
Porsche 997 MKII Carrera C2S 3.8L 2009-12
Porsche 997 MKII Carrera C4S 3.8L 2009-12
Porsche 997 MKII GT3 2010-11
Porsche 997 MKII Turbo 2010-13
Porsche 997 MKII GT2 RS 2011-13
Porsche 991.1 Carrera C2 3.4L (350Bhp) 2012-16
Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
Porsche 991.1 Carrera C4 3.4L (350Bhp) 2012-16
Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16
Porsche 991.1 R 4.0L (500 Bhp) 2016
Porsche 991.1 GT3 3.8L (475Bhp) 2014-16
Porsche 991.1 GT3 RS 4.0L (500Bhp) 2015-16
Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
Porsche 991.2 Speedster 4.0L (510Bhp) 2019
Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
Porsche 991 GT3 Cup 2018-2019

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 911 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 911s, 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 911 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 911 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