Possible Sources
TFT sensor
Transmission internal wiring harness frame
PCM
DIAGNOSIS AND TESTING > DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND
PINPOINT TESTS - 5.0L 32V TI-VCT > PINPOINT TESTS > PINPOINT TEST B : TFT
(TRANSMISSION FLUID TEMPERATURE) SENSOR > PINPOINT TEST B : TFT
(TRANSMISSION FLUID TEMPERATURE) SENSOR
B1 CHECK TFT INPUT SIGNAL
Ignition OFF.
Disconnect: Transmission Vehicle Harness C1575 .
Inspect the connector for damaged or pushed out terminals, corrosion, loose wires and missing or damaged seals.
Connect the diagnostic tool.
Ignition ON.
Enter the following mode on the diagnostic scan tool: TFT PIDs TFT and TFTV.
Does the TFT PID display -40 °C (-40 °F) and the TFTV PID display 4.96 to 5.10 volts? ?
Yes | GO to B2 |
|---|
No | REPAIR the circuit. |
|---|
B2 CHECK TFT SIGNAL INPUT CIRCUIT FOR VOLTAGE
Measure.
Positive Lead | Measurement / Action | Negative Lead |
C1575-6 | Ground |
Is the voltage between 4.8 and 5.1 volts?
Original technical text and illustrations, formatted as HTML. Follow the engine, transmission, equipment, model and year specified in the source. Import and layout checks do not establish applicability to every 2015–2017 Mustang. About this collection.