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Home › Suzuki › 2006 › Verona Base › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTC P0461 Through U0121 › DTC P0638: Throttle Actuator Control (TAC) Command Performance › Conditions for Setting the DTC

Conditions for Setting the DTC

Ignition ON.
ECM detects a throttle valve error or a jammed ETC actuator.