Diagnosis & Repair
Using Toyota hand-held tester or scan tool, check for any other DTCs. If any other DTCs are displayed, diagnose and repair those DTCs first and retest. If only DTC P0121 is displayed, replace TP sensor.
Using Toyota hand-held tester or scan tool, check for any other DTCs. If any other DTCs are displayed, diagnose and repair those DTCs first and retest. If only DTC P0121 is displayed, replace TP sensor.