DTC P0121 Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem: Description
WARNING: This page is about a different car, the 2009 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
Refer to DTC P0120 .
HINT:
This is the purpose of troubleshooting the throttle position sensor.
DTC TROUBLE DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| P0121 | Difference between VTA1 and VTA2 is out of threshold for 2 seconds | Throttle position sensor |