P050D: owner reports and bulletins
Got P050D 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
20 complaints filed with NHTSA mention P050D, 20 of them since 2015, across 9 different models. The component owners most often filed it under: engine.
Most-reported models
| Vehicle | Complaints | Model years reported |
|---|---|---|
| CHEVROLET SILVERADO 1500 | 7 | 2015, 2016, 2017, 2023 |
| CHEVROLET TAHOE | 3 | 2021 |
| GMC YUKON | 3 | 2020, 2021 |
Manufacturer service bulletins that name P050D
196 technical service bulletins and manufacturer communications filed with NHTSA mention P050D, from 18 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:
- GENERAL MOTORS GENERAL MOTORS, bulletin 10172310: This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
- BUICK ENCLAVE (2025), bulletin 11007769: This Preliminary information communicates the possibility of the engine running rough cold and failing dtc P050D.
- GMC ACADIA (2024, 2025), bulletin 11007769: This Preliminary information communicates the possibility of the engine running rough cold and failing dtc P050D.
- CHEVROLET TRAVERSE (2024, 2025), bulletin 11007769: This Preliminary information communicates the possibility of the engine running rough cold and failing dtc P050D.
- BUICK ENCORE GX (2024), bulletin 11006446: This Preliminary information communicates to the dealers information related to potential failed engine camshaft cover causing excessive engine oil consumption and blue smoke from the exhaust system at low mileage. Can a…
- CHEVROLET TRAILBLAZER (2024), bulletin 11006446: This Preliminary information communicates to the dealers information related to potential failed engine camshaft cover causing excessive engine oil consumption and blue smoke from the exhaust system at low mileage. Can a…
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.