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

Refer to DTC P0120 (see DTC P0120 THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT MALFUNCTION; 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 ).

HINT:

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

RESULT REFERENCE

DTC No.	DTC Detection Condition	Trouble Area
P0121	Difference between VTA 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)