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Standard Ignition SC684 Vehicle Speed Sensor
Overview of Standard Ignition Vehicle Speed Sensor SC684
The Standard Ignition Vehicle Speed Sensor SC684 is designed for precise speed measurement on select Audi and Volkswagen models. Engineered for reliable performance, this sensor ensures accurate data transmission from the transmission to the vehicle's control systems.
- Connector Gender: Female
- Single rectangular plug-in connector
- Bolt mount installation on transmission
- Two male blade terminals for secure electrical connection
- Compatible with Audi A4, A4 Quattro, A8 Quattro, RS6, S6, S8 and Volkswagen Phaeton
Technical Description and Attributes
The SC684 vehicle speed sensor features a female connector with a rectangular shape designed for a plug-in connection, ensuring a stable and secure fit. It mounts directly onto the transmission using a bolt mount type, providing a firm and vibration-resistant installation. The sensor includes two male blade terminals, which facilitate reliable electrical contact and signal transmission. This configuration supports accurate speed data delivery to the vehicle’s electronic control unit (ECU), essential for proper operation of speed-dependent systems.
Compatible Vehicles and Applications
This vehicle speed sensor is compatible with a range of Audi and Volkswagen models, including the Audi A4, A4 Quattro, A8 Quattro, RS6, S6, S8, and the Volkswagen Phaeton. It is specifically designed to replace original equipment sensors on these vehicles, ensuring proper fit and function.
- Helps resolve inaccurate speedometer readings
- Addresses transmission shifting issues related to speed sensor faults
- Corrects ABS and traction control warning lights caused by faulty speed data
- Prevents erratic cruise control behavior
- Eliminates engine performance problems linked to speed sensor errors
Installation Notes and Tips
Installation of the Standard Ignition SC684 sensor requires access to the transmission mounting location. Ensure the vehicle is securely lifted and supported before beginning work. Disconnect the battery to prevent electrical shorts. Remove the old sensor by unbolting it from the transmission and disconnecting the plug-in connector. Install the new sensor by aligning the bolt mount and securing it firmly. Connect the female rectangular plug to the sensor’s terminals, ensuring a snug fit. After installation, clear any diagnostic trouble codes and verify sensor operation through a test drive.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications. The SC684 vehicle speed sensor undergoes rigorous quality control to ensure durability and reliable performance. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use conditions.
| Brand | Standard Ignition |
|---|---|
| Part Number | SC684 |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Connector Type | Plug In |
| Mounting Location | On Transimission |
| Mounting Type | Bolt Mount |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Drive Type | Transmission | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Volkswagen | Phaeton | N/A | For Transmission Control Module. | ||
| 2005 | Volkswagen | Phaeton | N/A | For Transmission Control Module. | ||
| 2004 | Volkswagen | Phaeton | N/A | For Transmission Control Module. | ||
| 2003 | Audi | A8 Quattro | AWD | N/A | For Transmission Control Module. | |
| 2003 | Audi | RS6 | N/A | For Transmission Control Module. | ||
| 2003 | Audi | S8 | N/A | For Transmission Control Module. | ||
| 2002 | Audi | A8 Quattro | AWD | N/A | For Transmission Control Module. | |
| 2002 | Audi | S6 | N/A | For Transmission Control Module. | ||
| 2002 | Audi | S8 | N/A | For Transmission Control Module. | ||
| 2001 | Audi | A4 | Automatic | N/A | w/o Wire; Located in Transmission | |
| 2001 | Audi | A4 Quattro | Automatic | N/A | w/o Wire; Located in Transmission | |
| 2001 | Audi | A8 Quattro | AWD | N/A | For Transmission Control Module. | |
| 2001 | Audi | S8 | N/A | For Transmission Control Module. | ||
| 2000 | Audi | A4 | Automatic | N/A | w/o Wire; Located in Transmission | |
| 2000 | Audi | A4 Quattro | Automatic | N/A | w/o Wire; Located in Transmission | |
| 2000 | Audi | A8 Quattro | AWD | N/A | For Transmission Control Module. | |
| 1999 | Audi | A4 | Automatic | N/A | w/o Wire; Located in Transmission | |
| 1999 | Audi | A4 Quattro | Automatic | N/A | w/o Wire; Located in Transmission | |
| 1999 | Audi | A8 Quattro | AWD | N/A | For Transmission Control Module. | |
| 1998 | Audi | A4 | FWD | Automatic | N/A | Located in Transmission |
| 1998 | Audi | A8 Quattro | AWD | N/A | For Transmission Control Module. | |
| 1997 | Audi | A4 | Automatic | N/A | Located in Transmission | |
| 1997 | Audi | A4 Quattro | Automatic | N/A | Located in Transmission | |
| 1997 | Audi | A8 Quattro | AWD | N/A | For Transmission Control Module. | |
| 1996 | Audi | A4 Quattro | Automatic | N/A | Located in Transmission |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.