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Home › Toyota › 2002 › Prius › Repair and Diagnosis (Single Page) › Engine Performance › System › Engine Control System Self-Diagnostics › Diagnostic Tests › DTC P1633: Engine Control Module Malfunction (Electronic Throttle Control System Circuit) › Diagnosis & Repair

Diagnosis & Repair

If DTC P1633 exists, replace ECM. ECM is located behind glove box. See Figure.

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