NTK AU0209 Automatic Transmission Speed Sensor - Input

NTK Automatic Transmission Speed Sensor AU0209

The NTK AU0209 automatic transmission speed sensor is built for input-speed monitoring in select Ford, Lincoln, and Mercury vehicles. It uses a 3-terminal blade connection with a rectangular male connector and an included wiring harness for a direct-fit replacement on covered applications.

Key Features

• Automatic transmission speed sensor for input-speed signal monitoring
• Rectangular male connector with 3 blade terminals
• Wiring harness included; harness length measures 12.00
• Mounting hardware not included
• OE-focused design from NTK, The Sensor Specialist

Product Details

NTK AU0209 is part of the NTK Automatic Transmission Speed Sensor line, a technical sensor range backed by NGK’s automotive experience and OE application coverage. NTK develops these sensors using OE-based engineering and testing methods that include thermal shock, vibration, and OBD verification, with manufacturing standards aimed at meeting or exceeding OE specifications. This part cross-references Dorman - OE Solutions 917-604 for the same application. It is a direct replacement choice for drivers servicing Ford Flex, Ford Edge, and Lincoln MKZ transmission input-speed concerns.

What It Helps Address

• Transmission input speed signal loss
• Erratic or inaccurate shift timing
• Speed sensor-related diagnostic trouble codes
• Harsh, delayed, or inconsistent transmission operation
• Intermittent drivability issues tied to sensor signal faults

Installation Notes

• Verify connector style, terminal count, and harness length before installation.
• Inspect the transmission connector and wiring for corrosion, damage, or fluid intrusion.
• Clear stored fault codes after installation and confirm proper signal operation.
• Use the vehicle’s service information to confirm the input sensor location and application.

Quality Assurance

NTK sensors are produced under OE-focused quality controls and tested for thermal shock, vibration, and OBD verification. Compatible With 2007-2014 Ford Edge, Input; 2009-2017 Ford Flex, Input; 2013-2017 Lincoln MKZ, Input; and other listed Ford, Lincoln, and Mercury applications. Part number AU0209 is also referenced in OE-style replacement listings for covered vehicles.