P0120

SYMPTOM
P0120 - THROTTLE POSITION SENSOR SIGNAL CIRCUIT

WHEN MONITORED
Whenever the engine is running.

SET CONDITION
This code is set if the throttle angle goes out of range or if throttle angle changes abruptly (i.e. faster than the throttle body motion could occur).

POSSIBLE CAUSES
- RELATED PCM DTC'S PRESENT
- INTERMITTENT WIRING & CONNECTORS
- SENSOR GROUND CIRCUIT OPEN TO TCM
- TPS SIGNAL CIRCUIT OPEN TO TCM
- TPS VOLTAGE CHANGE NOT SMOOTH
- TCM - TPS SIGNAL CIRCUIT