check engine light on DCTp1633

Question

need to know if ecm or etc system to be repair check engine light on

Answer 1

Hi there,

This code indicates an issue with the ECM. It will most likely need to be repaired or replaced. Here is some more info for you.

P1633 TOYOTA - Engine Control Module Malfunction Electric Throttle Control System Circuit

Read more: https://www.autocodes.com/p1633_toyota.html