The PCM uses the TFT signal as an input to determine cold- and hot-temperature shift scheduling and for scheduling of TCC apply and release. The TFT sensor twist-locks into the solenoid body and is a temperature-sensitive device called a thermistor.Īs the fluid temperature increases, the TFT resistance decreases, as shown in the chart in Figure 4.
5r110w transmission only has 1 forward gear code#
Code retrieval may indicate fault codes such as P0711, P0712, P0713 or P1711, with no signs of transmission overheating.Įither the TFT sensor ( Figure 2) or the internal wiring harness ( Figure 3) is faulty. Scan-tool data shows TFT readings fluctuating from normal ranges to -40☏, coinciding with the erratic display seen on the TFT gauge in the instrument cluster.
The MIL may be on and the Tow/Haul indicator lamp may be blinking ( Figure 1).
The speed-control deactivation switch in 1994-2002 Ford trucks and SUVs can cause an underhood fire by dripping brake fluid onto a nearby electrical connector that carries system voltage at all times.Ī Ford truck equipped with a 5R110W transmission comes to the shop with complaints of erratic shifts, intermittent operation of the transmission-fluid-temperature (TFT) gauge and no Tow/Haul mode function.vehicle with the 5R110W TorqShift transmission has only 5th gear and reverse and displays DTC P0657 either before or after overhaul.
A Ford truck equipped with a 5R110W transmission exhibits erratic shifts, intermittent operation of the transmission-fluid-temperature gauge and no Tow/Haul mode function.
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