Throttle Position (TP) Sensor

DESCRIPTION
The Throttle Position (TP) Sensor is a potentiometer mounted on the throttle body. The TP sensor detects the position of the throttle plate and sends this information to the powertrain control module as a varying voltage signal. The Powertrain Control Module (PCM) uses the monitored voltage level of the TP sensor for control of electronic pressure control (EPC) pressure, torque converter clutch operation and shift scheduling. If a malfunction occurs in the TP sensor circuit, the PCM will recognize that the TP sensor signal is out of specification. The PCM will then operate the AX4N transaxle in a high capacity mode to prevent transaxle damage.

SYMPTOMS
Harsh engagements, firm shift feel, abnormal shift schedule, torque converter clutch does not engage, torque converter clutch cycling.

DTCs
P0122, P0123, P1120