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Digital Transmission Range Sensor

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2002 Lincoln Navigator, 2002 Ford Expedition, 2001 Lincoln Navigator, 2001 Ford RV Cutaway, and 2001 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Digital Transmission Range (TR) sensor is located on outside of transmission at manual lever. See Figure. TR sensor opens or closes a set of 4 switches that are monitored by PCM. An internal switch signal corresponds with position of gearshift lever. TR sensor completes neutral/start and back-up lights circuits. It also provides a Neutral signal for Generic Electronic Module (GEM) control of 4WD Low engagement on 4WD vehicles. Malfunction of TR sensor may cause harsh engagements and firm shift feel. Improper shifting or shift selection and no engine cranking may also result.

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