TSB: Some 2021 ? 2022 model year ES 250 vehicles equipped with an A25A-FKS engine may exhibit reduced engine power and/or a MIL ON condition with one or more of the following throttle body Diagnostic Trouble Codes (DTCs) present in freezing temperatures:
?P01201C: Throttle / Pedal Position Sensor / Switch ?A? Circuit Voltage Out of Range.
?P210015: Throttle Actuator ?A? Control Motor Circuit Short to Battery or Open.
?P210019: Throttle Actuator ?A? Control Motor Circuit Current Above Threshold.
?P211172: Throttle Actuator ?A? Control System Actuator Stuck Open.
The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic and the fuel pump assembly have been modified to address these conditions. Follow the Repair Procedure in this bulletin to address these conditions.
