NTK AU0177 Automatic Transmission Speed Sensor - Output

NTK Automatic Transmission Speed Sensor AU0177

The NTK AU0177 automatic transmission speed sensor is built for precise transmission speed signal monitoring in select Ford applications. It is a direct-fit replacement for vehicles including the Ford Focus and Ford Transit Connect, with OE-focused construction from NTK, The Sensor Specialist.

Key Features

• Blade terminal design with a rectangular female connector
• 2-terminal electrical interface with 1 connector
• No wiring harness included
• No mounting hardware included
• OE-style sensor coverage for import and domestic applications
• Built by NTK using OE experience and technical sensor testing standards

Product Details

NTK’s Automatic Transmission Speed Sensor line is part of its broader technical sensor offering, developed from decades of automotive OE experience. The AU0177 is manufactured to meet or exceed OE specifications and is validated through thermal shock, vibration, and OBD verification testing. For drivers and technicians servicing Ford Focus and Ford Transit Connect models, AU0177 provides a focused replacement option for transmission speed signal concerns. This part cross-references Dorman OE Solutions 917-653 for the same application.

Vehicle Fitment

• Fits 2000-2011 Ford Focus, Output
• Fits 2010-2011 Ford Transit Connect, N/A
• Fits 2012-2013 Ford Transit Connect, Output

Common Issues This Sensor May Address

• Erratic or missing transmission speed signal
• Transmission shifting concerns related to speed input data
• Illuminated check engine light tied to speed sensor faults
• Transmission control module communication issues caused by inaccurate sensor readings
• Driveability problems in Ford Focus and Ford Transit Connect applications

Installation Notes

Confirm connector shape, terminal count, and sensor position before installation. AU0177 uses a rectangular female connector with blade terminals, so the harness connection should match the original unit. Inspect the transmission connector and surrounding wiring for corrosion, damage, or fluid intrusion before replacing the sensor. Verify the application by year, model, and position: Fits 2000-2011 Ford Focus, Output; Fits 2010-2011 Ford Transit Connect, N/A; Fits 2012-2013 Ford Transit Connect, Output.

Quality Assurance

NTK manufactures this sensor to OE-level specifications and subjects it to thermal shock, vibration, and OBD verification testing. As part of NTK’s technical sensor lineup, AU0177 reflects the brand’s OE supplier background and application coverage for Ford transmission speed sensor service.