Throttle Position (TP) Sensor

DESCRIPTION
The throttle position sensor (TP) 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. If a malfunction occurs in the TP sensor circuit, the Powertrain Control Module (PCM) will recognize that the sensor signal is out of specification. The PCM will then operate the transaxle at a high electronic pressure control pressure to prevent transaxle damage. The PCM also uses this signal for shift scheduling, electronic pressure control (EPC) and torque converter clutch (TCC) control.

SYMPTOMS
Harsh engagements, firm shift feel, abnormal shift schedule, TCC does not engage, TCC cycling. Malfunction indicator lamp (MIL) ON.

DTC's
P0122, P0123, P1120, P1121, P1124, P1125