Vehicle Speed Sensor (VSS)

1998 Mercury Sable V6-3.0L DOHC VIN SSECTION Vehicle Speed Sensor (VSS)
DESCRIPTION
The Vehicle Speed Sensor (VSS) a magnetic pickup that sends a signal to the powertrain control module. The VSS signal tells the powertrain control module the vehicle speed. The PCM uses this signal to control shift scheduling and electronic pressure control.

SYMPTOMS
Harsh engagements, firm shift feel, abnormal shift schedule, unexpected downshifts may occur at closed throttle. Torque converter clutch will not engage.

DTCs
P0500, P0503, P1500, P1501

NOTE: P0500 may also be set by a low transaxle fluid level.
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.