Trouble code P1890

Tiny
LIBBY300
  • MEMBER
  • 2003 HONDA JAZZ
  • 1.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 90,000 MILES
My car has been having transmission problems today check engine light came on. Diagnostic showed trouble code p1890. Is this serious?
Thursday, January 9th, 2020 AT 3:32 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
It is not serious when it starts however, what it means is inside the CVT transmission the steel belt is slipping. This means that the RPM will increase but the speed does not.

The way the CVT works is there is a steel belt inside it that as the RPMs raise to go faster the pulley diameter inside the transmission changes so that the speed of the output shaft increases with no shifting gears.

In short, I would have this addressed sooner than later but it is not something that must be done tonight. It will progressively get worse until the vehicle doesn't move any longer. There is no way of knowing when that may be. Could be a day or a year or longer. That is why I would make arrangements to take care of it before that happens.

Please tell me if you have questions. Thanks
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Thursday, January 9th, 2020 AT 4:41 PM

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