Getrag 7DCL750 Speed Sensor Kit – Repair & Rebuild
The Getrag 7DCL750 Speed Sensor Kit from Hollywood Mechanic addresses one of the most common failure points in the Getrag 7DCL750 transmission. The speed sensor monitors the rotational speed of both the odd and even input shafts. When it fails, the gearbox control module loses shift timing data for all gears. The module then generates fault codes and the transmission may enter a protective mode. This kit gives you the correct OEM replacement sensor and all required installation hardware in one purchase.
One Unit Body with Sensors for Both Input Shafts
The speed sensor in the Getrag 7DCL750 is a single unit body. It contains sensors for both the odd input shaft and the even input shaft. Since both shaft speed signals come from one component, replacing the unit restores monitoring for the entire gearbox at once. The sensor uses magnetic flux lines to detect the passing teeth on each gear shaft.
Because of this design, the sensor is sensitive to iron ore contamination from worn bearings. When iron particles accumulate near the sensor, they distort the magnetic flux signal. This causes inaccurate speed readings and fault codes even when the sensor itself is not the root cause.
Diagnose Thoroughly Before Removing the Gearbox
Because iron ore contamination can mimic a failed speed sensor, Hollywood Mechanic strongly recommends a thorough diagnostic procedure before removing the gearbox. A qualified technician must inspect the transmission fluid for metal contamination. The technician must also check the wiring harness and verify the sensor signal with a scan tool. All worn bearings and wear items must be replaced during the same service. Replacing the speed sensor without addressing contamination will cause the same faults to return.
Race Car Application Note
In high performance race car applications, the park lock solenoid is not used. The park lock solenoid plug connects to the speed sensor unit. Race car installations require cutting that plug and capping the wires. A technician must perform this modification before installation in any race car configuration.
Compatible with Ferrari, Mercedes AMG, and Ford GT
The Getrag 7DCL750 Speed Sensor Kit is compatible with all vehicles that use the Getrag 7DCL750 transmission. This includes Ferrari 458, California, F12, and FF models. It also fits Mercedes AMG models and the Ford GT. Since this is an OEM part sourced from Ferrari, it meets the exact specifications of the original factory sensor. Note that this kit may not include all required seals for every specific model variant.
Fault Codes Associated with Speed Sensor Failure
When the speed sensor fails or receives a distorted signal, the gearbox control module generates specific fault codes. P0501 indicates output speed too high. P0502 indicates output speed too low. P0503 indicates no signal from the output speed sensor. P0791 indicates even shaft speed too high. P0792 indicates an invalid even shaft speed signal. P0793 indicates even shaft speed too low. P0794 indicates no even shaft speed signal. P2745 indicates odd shaft speed too high. P2746 indicates an invalid odd shaft speed signal. P2747 indicates odd shaft speed too low. P2748 indicates no odd shaft speed signal.
Features List
- Getrag 7DCL750 Speed Sensor Kit for odd and even input shaft speed monitoring
- Single unit body containing sensors for both the odd and even input shafts
- Uses magnetic flux lines to detect passing gear shaft teeth
- OEM part sourced from Ferrari for exact fitment and correct function
- Resolves fault codes P0501, P0502, P0503, P0791, P0792, P0793, P0794, P2745, P2746, P2747, and P2748
- Kit includes multiple seals and all necessary installation hardware
- Compatible with Ferrari, Mercedes AMG, and Ford GT Getrag 7DCL750 applications
- Race car applications require cutting the park lock solenoid plug and capping the wires before installation
- Thorough diagnostic procedure strongly recommended before gearbox removal
- All worn bearings and wear items must be replaced to prevent fault recurrence
- Note: kit may not include all required seals for every specific model variant
Reviews
There are no reviews yet.