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DTC P0121 Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem: Description

HINT:

This DTC relates to the Throttle Position (TP) sensor.

Refer to DTC P0120 (See DTC P0120 THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT; DTC P0122 THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT LOW INPUT; DTC P0123 THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT HIGH INPUT; DTC P0220 THROTTLE/PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT; DTC P0222 THROTTLE/PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT LOW INPUT; DTC P0223 THROTTLE/PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT HIGH INPUT; DTC P2135 THROTTLE/PEDAL POSITION SENSOR/SWITCH "A"/"B" VOLTAGE CORRELATION ).

DTC 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)