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- 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) 2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
- Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp) 01/2020>>
- 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 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.1 R 4.0L (500 Bhp) 2016
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 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 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 (300 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
- 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
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 987.2 Boxster 2009 - 2012
Porsche 981 Boxster 2012 - 2016
Porsche 981 Boxster Spyder 3.8L 2016
Porsche 718 (982) Boxster 2017>>
Porsche 987C.2 Cayman 2009 - 2012
Porsche 981 Cayman 2013 - 2016
Porsche 718 (982) Cayman 2017>>
Porsche 718 (982) GT4 4.0L 2019>>
Porsche 997.2 2009 - 2012
Porsche 991.1 2012 - 2016
Porsche 991.2 2017 - 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.
Please Note
The PDKDS sensors are designed for different Porsche PDK transmission layouts. The 911 transmission is effectively a mirror image of the Boxster/Cayman gearbox, meaning the sensor is mounted in the opposite orientation.
While the OEM sensor can be flipped and used in both applications, the advanced sensing technology used in the OE Match sensor requires the internal sensing elements to remain correctly positioned relative to the gearbox internals. For this reason, the PDKDS sensors use different internal orientations and are not interchangeable.
By developing a dedicated sensor for each transmission type, the output can be calibrated far more accurately to match OEM specifications. This results in improved performance, easier calibration, and greater reliability compared to universal aftermarket sensors.
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 911 / 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