U3000: owner reports and bulletins
Got U3000 on your scanner? Tell the mechanic your year, make, model and any symptoms and you'll get the likely cause and what to check first. Ask about this code.
What owners report to NHTSA
209 complaints filed with NHTSA mention U3000, 207 of them since 2015, across 41 different models. The component owners most often filed it under: steering.
Most-reported models
| Vehicle | Complaints | Model years reported |
|---|---|---|
| HONDA ODYSSEY | 47 | 2018, 2019, 2020, 2025 |
| FORD EXPLORER | 24 | 2011, 2012, 2013, 2014, 2015 |
| FORD FUSION | 24 | 2010, 2011, 2012, 2014 |
| HONDA PILOT | 16 | 2019, 2020, 2021, 2022 |
| FORD ESCAPE | 15 | 2011, 2013, 2014, 2017, 2018 |
| ACURA MDX | 11 | 2017, 2018, 2019, 2020 |
| FORD FOCUS | 8 | 2012, 2013, 2014, 2018 |
| HONDA PASSPORT | 8 | 2019, 2020, 2021 |
| FORD TAURUS | 6 | 2011, 2013, 2014, 2015 |
| FORD FLEX | 5 | 2013, 2015 |
Manufacturer service bulletins that name U3000
262 technical service bulletins and manufacturer communications filed with NHTSA mention U3000, from 13 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:
- MAZDA CX-70 (2025, 2020, 2021, 2022), bulletin 11003354: Some customers may experience a Telematics Malfunction message in the instrument cluster with DTC U3000:04-TCU (Telematics communication unit internal malfunction) stored in memory. This is caused by improper control sof…
- MAZDA CX-9 (2021, 2022, 2023, 2020), bulletin 11005538: Some customers may experience a Telematics Malfunction message in the instrument cluster with DTC U3000:04-TCU (Telematics communication unit internal malfunction) stored in memory. This is caused by improper control sof…
- MAZDA CX-50 (2023, 2024, 2020, 2021), bulletin 11008568: Some customers may experience a Telematics Malfunction message in the instrument cluster with DTC U3000:00-TCU (Emergency call unit/telematics communication unit internal malfunction) or U3000:04-TCU (Telematics communic…
- GMC HUMMER EV PICKUP (2022, 2023, 2024, 2025), bulletin 11010830: This technical bulletin provides repair information to correct a customer concern of SuperCruise Dropping Out After Driving 3060 Seconds and/or Service Driver Assist Message Illuminated with DTCs U1626, U3000, and/or B2B…
- CHEVROLET TAHOE (2025), bulletin 11011361: This Preliminary information communicates with dealers if they see aService 4WD Message on with DTC U3000 SYM47 set in the TCCM,Check DTCs, Clear DTCs and advise customer engineering is working on a fix.
- CADILLAC ESCALADE ESV (2025), bulletin 11011361: This Preliminary information communicates with dealers if they see aService 4WD Message on with DTC U3000 SYM47 set in the TCCM,Check DTCs, Clear DTCs and advise customer engineering is working on a fix.
Sources: NHTSA Office of Defects Investigation complaint database and manufacturer communications file, snapshots September 2026. A complaint or bulletin that mentions a code is a report about that vehicle, not a statement that the code has one cause.