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P1890 on the 2015 Honda CR-V

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name P1890
PUD - 2015-16 CR2016-12-14. Service bulletin. CUSTOMER LETTER - UNDER CERTAIN DRIVING CONDITIONS, THE SOFTWARE IN THE PCM CAUSES A LOW PRESSURE PROBLEM IN THE CVT. THIS MAY ALLOW THE BELT IN THE CVT TO SLIP. IF THE BELT SLIPS, YOU MAY SEE A SURGE IN RPM WHEN DRIVING AT HIGHWAY SPEEDS. IF THE BELT SLIPS LONG ENOUGH, THE TRANSMISSION WILL BE DAMAGED, AND DTC P1890 WILL SET.
A160572016-12-13. Service bulletin. "SERVICE BULLETIN - AN INCORRECT LEARNING VALUE IN THE PCM MAY CAUSE A PRESSURE PROBLEM IN THE CVT UNDER CERTAIN DRIVING CONDITIONS, CAUSING A SURGE IN RPM BECAUSE THE CVT BELT SLIPS AT HIGHWAY SPEEDS, AND EVENTUALLY SET DTC P1890 (CVT SPEED CONTROL SYSTEM). SOME 2015 CR-V’S THAT HAD A PREVIOUS VERSION OF VIBRATION SOFTWARE WILL REQUIRE THIS SPECIAL APPLICATION SOFTWARE TO COMPLETE THE UPDATE FROM 16-053, PRODUCT UPDATE: 2015–16 ACCORD AND 2015–16 CR-V SOFTWARE UPDATE FOR P1890."
A160532016-12-13. Service bulletin. SERVICE BULLETIN - AN INCORRECT LEARNING VALUE IN THE PCM MAY CAUSE A PRESSURE PROBLEM IN THE CVT UNDER CERTAIN DRIVING CONDITIONS, CAUSING A SURGE IN RPM BECAUSE THE CVT BELT SLIPS AT HIGHWAY SPEEDS AND EVENTUALLY SETTING DTC P1890 (CVT SPEED CONTROL SYSTEM).
ACA080320169022016-11-29. Service bulletin. DEALER MESSAGE - TODAY, AUGUST 3, 2016, AMERICAN HONDA MOTOR, CO., INC. IS ANNOUNCING A PRODUCT UPDATE FOR MODEL YEAR 2015-16 HONDA ACCORD AND CR-V VEHICLES TO ADDRESS INCORRECT CVT OPERATION AND DTC P1890. AN INCORRECT LEARNING VALUE IN THE PCM MAY CAUSE A PRESSURE PROBLEM IN THE CVT UNDER CERTAIN DRIVING CONDITIONS CAUSING A SURGE IN RPM BECAUSE THE CVT BELT SLIPS AT HIGHWAY SPEEDS, AND WILL EVENTUALLY SET DTC P1890 (CVT SPEED CONTROL SYSTEM).
A160572016-11-25. Service bulletin. SERVICE BULLETIN - AN INCORRECT LEARNING VALUE IN THE PCM MAY CAUSE A PRESSURE PROBLEM IN THE CVT UNDER CERTAIN DRIVING CONDITIONS, CAUSING A SURGE IN RPM BECAUSE THE CVT BELT SLIPS AT HIGHWAY SPEEDS, AND EVENTUALLY SET DTC P1890 (CVT SPEED CONTROL SYSTEM).

5 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.