What do I repair on fault code P1633?

Question

My vehicle does not accelerate. Engine light is on. Diagnostic result is P1633. What should l replace to fix the problem?

Cosmas

Answer 1

Hi there,

This code points to an issue with the ECM. Here is a list of possible causes.

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

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