P064A
2 owner reports and 3 manufacturer filings across 3 model years from Kia, Mazda.
Where P064A shows up
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2017 Mazda CX-9 | Power Train | 1 | 1 |
| 2016 Mazda CX-9 | Power Train | 2 | — |
| 2019 Kia Optima | Fuel/Propulsion System | — | 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.
I am reporting a recurring safety hazard involving my 2019 Kia Optima following a repair for diagnostic code P064A (Fuel Pump Control Module)
Mazda dealer determined that the PCM (powertrain control module (PCM) has detected a malfunction in the fuel pump control module) - they noted: "Found code p064a and in TSB 01-010/17 states that PCM needs to be reprogrammed if no other…
Manufacturer filings that name it
Source: NHTSA manufacturer communicationsService bulletins and campaigns whose filed summary names P064A. Quoting the document number at a service desk is often the fastest route to a diagnosis someone has already written down.
- 01-010-17-33782017-07-26 · Power Train — Automatic Transmission — Control Module (Tcm/Pcm/Tecm)
- Some vehicles may experience DTC P064A stored in the PCM memory. There is no drivability concern and a technician may find this DTC during diagnosis for another concern. P064A:00 - (Fuel Pump Control Module Error). [Detection Condition] The difference between the actual fuel pressure and the target fuel pressure is 10 kPa {0.10 kgf/cm2, 1.5 psi} or more, even though the fuel pressure feedback am
- SA3912017-01-18 · Equipment — Other — Owners/Service/Other Manual
- DTC P064A Stored due to mislogic detection
What P064A means
Source: SAE J2012 / OBD-IIP064A sits in the generic range of the OBD-II standard, so it means the same thing on every vehicle sold in the United States — but WhichTrim does not carry a definition for it and will not invent one. What is on this page is the record: who named it and on what.
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 P064A
Source: NHTSA files and the OBD-II standardCan I keep driving with P064A 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.