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- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
Fits:
Porsche 996 - 2002 to 2005
Porsche 996 turbo 2000 to 2005
Porsche 997.1 - 2005 to 2008
Porsche 997.1 turbo - 2007 to 2008
For Tiptronic Gearbox types
996 - A9610 / A9635 / A9650
997 - A9701 / A9731 / A9750
Diagram ref no 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
1402701161
The product you are viewing cross references to these numbers
- 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 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
- Porsche Cayman GT4 RS Clubsport 2020-2024
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