U0140: owner reports and bulletins
Got U0140 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
36 complaints filed with NHTSA mention U0140, 34 of them since 2015, across 28 different models. The component owners most often filed it under: electrical system.
Most-reported models
| Vehicle | Complaints | Model years reported |
|---|---|---|
| MAZDA MAZDA3 | 3 | 2010, 2012 |
| JEEP CHEROKEE | 3 | 2014, 2015, 2019 |
Manufacturer service bulletins that name U0140
349 technical service bulletins and manufacturer communications filed with NHTSA mention U0140, from 12 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:
- JEEP GRAND WAGONEER (2022, 2023, 2024), bulletin 10247432: Vehicle is a no crank/no start with the following DTCs, as well as a no crank/no start condition: U0164, U0140, U0151, U0155
- JEEP WRANGLER (2023, 2024), bulletin 10247416: Body Control Module For concern related to DTC U0140 - Lost Communication with Body Control Module, please follow published diagnostic information for this DTC to ensure all module connections are secure. Please check al…
- DODGE DURANGO (2022, 2024, 2023), bulletin 10247415: Body Control Module For concern related to DTC U0140 - Lost Communication with Body Control Module, please follow published diagnostic information for this DTC to ensure all module connections are secure. Please check al…
- JEEP GLADIATOR (2023, 2024), bulletin 10247413: Body Control Module For concern related to DTC U0140 - Lost Communication with Body Control Module, please follow published diagnostic information for this DTC to ensure all module connections are secure. Please check al…
- FORD F-150 (2024), bulletin 10254172: Some 2024 F-150 non-Lightning vehicles equipped with minor feature codes C2BAW and FDDAA may exhibit an intermittent Trailer Brake System Fault See Manual message in the instrument panel cluster (IPC), inoperative traile…
- CHRYSLER PACIFICA PLUG-IN HYBRID (2021, 2022, 2023, 2024), bulletin 11005326: "Flash: Power Sliding Door Module (PSDM) System Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): U0140-00 - Los…
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.