Vehicle Speed Sensor (VSS)
DESCRIPTIONThe 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.