DTC P0121 Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem: Description
WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
Refer to DTC P0120
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DTC TROUBLE DETECTION CONDITION CHART
| DTC No. |
DTC Detection Condition |
Trouble Area |
| P0121 |
Difference between VTA1 and VTA2 voltages less than 0.8 V, or more than 1.6 V for 2 seconds (1 trip detection logic) |
TP sensor (built into throttle body) |