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Diagnostic trouble code

U3000

20 owner reports and 1,150 manufacturer filings across 239 model years from Acura, Buick, Cadillac, Chevrolet and others.

NetworkManufacturer-specific1,150 manufacturer filings20 owner reports

Where U3000 shows up

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2021 Ford F-150Electrical System202
2023 GMC YukonForward Collision Avoidance19
2021 Ford Mustang Mach-EElectrical System18
2022 GMC YukonElectrical System18
2022 Cadillac EscaladeForward Collision Avoidance16
2022 Ford Mustang Mach-EElectrical System16
2021 GMC YukonElectrical System151
2021 Mazda Mazda3Electrical System16
2022 Chevrolet SuburbanElectrical System15
2022 GMC SierraForward Collision Avoidance132
2021 Mazda CX-30Electrical System15
2023 Cadillac EscaladeForward Collision Avoidance14
2022 Chevrolet SilveradoBack Over Prevention14
2020 Mazda CX-30Electrical System14
2022 Mazda MX-30Electrical System14
2022 Mazda Mazda3Electrical System131
2021 Mazda CX-5Electrical System13
2021 Cadillac EscaladeEquipment12
2020 Ford EscapeSteering102
2022 Ford F-150Equipment12
2023 Ford Mustang Mach-ELane Departure12
2024 GMC YukonForward Collision Avoidance12
2022 Mazda CX-30Electrical System12
2023 Mazda CX-5Electrical System12
2022 Mazda CX-5Electrical System12
2023 Mazda CX-50Electrical System12
2021 Mazda CX-9Electrical System12
2023 Mazda Mazda3Electrical System12
2023 Chevrolet SilveradoForward Collision Avoidance11
2018 Mazda CX-3Electrical System11
2023 Mazda CX-30Electrical System11
2023 Mazda CX-9Electrical System11
2022 Mazda CX-9Electrical System11
2024 Mazda CX-90Electrical System11
2024 Cadillac EscaladeForward Collision Avoidance91
2024 Chevrolet SuburbanForward Collision Avoidance10
2023 Chevrolet SuburbanElectrical System10
2021 Chevrolet SuburbanElectrical System10
2023 GMC SierraForward Collision Avoidance10
2023 Mazda MX-30Electrical System10
2016 Mazda MX-5Electrical System10
2019 Mazda Mazda3Electrical System10
2021 Chevrolet TahoeSteering9
2021 Ford EscapeSteering9
2024 GMC Hummer EVEquipment Adaptive/Mobility9
2021 Lincoln CorsairElectrical System9
2017 Mazda CX-5Electrical System9
2020 Mazda Mazda3Electrical System9
2018 Mazda Mazda3Electrical System9
2017 Mazda Mazda3Electrical System9
2017 Mazda Mazda6Electrical System9
2026 Cadillac EscaladeUnknown Or Other8
2022 Chevrolet TahoeElectrical System8
2022 Ford EscapePower Train8
2023 Ford F-150Unknown Or Other8
2020 Lincoln CorsairSteering8
2018 Mazda CX-5Electrical System8
2018 Mazda Mazda6Electrical System8
2022 Buick EnvisionSteering7
2025 Cadillac EscaladeUnknown Or Other7

Showing the 60 model years where U3000 appears most; it is on file for 239 in total.

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

Electrical System 431Unknown Or Other 168Forward Collision Avoidance 104Equipment Adaptive/Mobility 86Steering 63Equipment 62
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What owners said

Source: NHTSA complaint database

Owners’ 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.

On the second repair order, the dealer documented the complaint as “vehicle turned off and went to neutral.â€� They found code U3000, documented “ECM software out of dateâ€� and “ECM software malfunction,â€� and reprogrammed the ECM…
2024 Cadillac EscaladeSep 6, 2026NHTSA owner report
During the XXX repair, technicians documented Diagnostic Trouble Code U3000:49 (internal malfunction in the front view camera module), opened TAC case XXX, and performed radio programming per bulletin 25-NA-318
2022 GMC SierraAug 25, 2026NHTSA owner report
The vehicle's Connectivity Master Unit (CMU) / infotainment system has experienced a complete, permanent internal electronic failure, logged by Diagnostic Trouble Code DTC U3000:49 (Control Module Internal Electronic Failure)
2022 Mazda Mazda3Aug 11, 2026NHTSA owner report
My 2021 Honda Pilot displayed a U3000 diagnostic trouble code, indicating an internal electronic failure of the front-facing multipurpose camera that operates the vehicle's Honda Sensing safety systems (Collision Mitigation Braking System…
2021 Honda PilotAug 10, 2026NHTSA owner report
The dealership confirmed DTC U3000:49 in the IPMA module and identified Ford TSB 23-2040 as applicable to the concern
2021 Ford F-150Jun 10, 2026NHTSA owner report

Manufacturer filings that name it

Source: NHTSA manufacturer communications

Service bulletins and campaigns whose filed summary names U3000. Quoting the document number at a service desk is often the fastest route to a diagnosis someone has already written down.

What U3000 means

Source: SAE J2012 / OBD-II

U3000 is a manufacturer-specific code: the second character is a 3, 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 U3000

Source: NHTSA files and the OBD-II standard

Why does this page not define U3000?

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 U3000 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.