P1890
1 owner report and 11 manufacturer filings across 4 model years from Honda, Nissan.
Where P1890 shows up
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2016 Honda CR-V | Power Train | 4 | 1 |
| 2016 Honda Accord | Electrical System | 4 | — |
| 2019 Nissan Versa | Power Train | 2 | — |
| 2019 Nissan Sentra | Power Train | 1 | — |
A model year appears here because the code is named in its record, not because every one of these vehicles sets it. Counts are mentions in the federal files, not failure rates — nobody publishes the denominator.
What it gets filed under
What owners said
Source: NHTSA complaint databaseOwners’ own words, one per nameplate, scrubbed of anything identifying. These are unverified reports filed with NHTSA — they are what was said, not a finding that it was true.
If the belt slips the transmission will be damaged and dtc P1890 (the CVT speed control system) will set." the software update was completed about a month ago and since then, I have experienced a more pronounced vibration under my driver's…
Manufacturer filings that name it
Source: NHTSA manufacturer communicationsService bulletins and campaigns whose filed summary names P1890. Quoting the document number at a service desk is often the fastest route to a diagnosis someone has already written down.
- NTB20-0862020-12-01 · Power Train
- PERMANENT DTC SET IN TCM AND WILL NOT ERASE IF YOU CONFIRM One or more of the following DTCs are stored in the permanent DTC screen (Figure 1): P1890, P2768, P17F3, P17F4, P188F And The DTCs will not erase when following the ESM procedure. NOTE: ï· If DTCs other than those listed above are stored, this bulletin does not apply. ACTION Replace the TCM.
- A160532016-09-09 · Electrical System
- 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).
- ACA080320169022016-08-03 · Power Train — Automatic Transmission — Control Module (Tcm/Pcm/Tecm)
- 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 EVE
- A160532016-08-03 · Electrical System — Software
- 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, EVENTUALLY SETTING DTC P1890 (CVT SPEED CONTROL SYSTEM). DEPENDING ON IF DTC P1890 IS SET OR NOT, UPDATE THE PGM-FI SOFTWARE OR REPLACE THE TRANSMISSION AND UPDATE THE PGM-FI SOFTWARE.
What P1890 means
Source: SAE J2012 / OBD-IIP1890 is a manufacturer-specific code: the second character is a 1, which under the OBD-II standard hands the definition to whoever built the vehicle. The same code can mean one thing on a Ford and something unrelated on a Hyundai. Any site that prints a single definition for it is guessing.
A stored code names the test that failed, never the part that caused it. It is the starting point of a diagnosis, not its conclusion — the same code has several possible causes and the cheap one is not always right.
Common questions about P1890
Source: NHTSA files and the OBD-II standardWhy does this page not define P1890?
Because it cannot be defined honestly. The second character of a trouble code says who owns its meaning, and a 1 or a 3 hands that to the manufacturer. Sites that print one definition for a manufacturer-specific code are showing you one automaker's meaning and hoping it is yours.
Can I keep driving with P1890 stored?
Nobody can answer that from the code alone, and a site that does is guessing. A steady light generally means the fault was logged and the vehicle is in a reduced-risk mode; a flashing light means stop soon, because a misfiring engine can destroy a catalytic converter in minutes. The safe read of this page is the mileage and the components, not permission.
Does a code mean the car is recalled?
No. Recalls are filed by campaign and matched by VIN, and none of them are triggered by a scan tool. If you want to know whether an open recall applies to one specific vehicle, check the VIN at nhtsa.gov/recalls — that is the only source that settles it.
Why do the counts here differ from other sites?
Because these are not estimates. Every number on this page is a count of documents in NHTSA's own files: manufacturer communications that name the code in their filed summary, and owner complaints that name it in the narrative. We do not model, weight or extrapolate them.
Will clearing the code fix it?
Clearing turns the light off and erases the freeze-frame data a technician would have used to work out what happened. If the condition is still there the code returns, usually within a few drive cycles, and the diagnosis now starts from less information than before.