Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY1998SABLE V6-3.0L DOHC VIN SREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTRANSMISSION CONTROL SYSTEMSTESTING AND INSPECTIONDIAGNOSTIC TROUBLE CODE DESCRIPTIONSTRANSMISSION RANGE (TR) SENSOR
1998 Mercury Sable V6-3.0L DOHC VIN S
Transmission Range (TR) Sensor
1998 Mercury Sable V6-3.0L DOHC VIN SSECTION Transmission Range (TR) Sensor
DESCRIPTION
The powertrain control module sends a voltage signal to the transmission range (TR) sensor. The TR sensor incorporates a series of step-down resistors which act as a voltage divider. The PCM monitors this voltage which corresponds to the position of the manual control lever (P. R. N. D, 2, 1). The TR sensor is located on the outside of the transaxle at the manual control lever. The function of the TR sensor is to determine desired gear and EPC pressure. The TR sensor also contains the park/neutral and backup lamp circuits.
SYMPTOMS
Harsh engagements and firm shift feel. No 3/4 shift. May downshift to a lower gear. No rpm rev limiter in PARK or NEUTRAL.
DTCs
P0707, P0708, P1705
The powertrain control module sends a voltage signal to the transmission range (TR) sensor. The TR sensor incorporates a series of step-down resistors which act as a voltage divider. The PCM monitors this voltage which corresponds to the position of the manual control lever (P. R. N. D, 2, 1). The TR sensor is located on the outside of the transaxle at the manual control lever. The function of the TR sensor is to determine desired gear and EPC pressure. The TR sensor also contains the park/neutral and backup lamp circuits.
SYMPTOMS
Harsh engagements and firm shift feel. No 3/4 shift. May downshift to a lower gear. No rpm rev limiter in PARK or NEUTRAL.
DTCs
P0707, P0708, P1705
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.