Service bulletin 23-NA-008
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10251385 |
| Published by NHTSA | 2024-03-06 |
| Manufacturer's number | 23-NA-008 |
| Manufacturer's date | 2024-02-29 |
| NHTSA component | ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING |
NHTSA's summary
This technical bulletin provides repair information to correct a customer concern of DEF Pump Controller Update with DTCs P105A and/or P208A Set.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Engine, Fuel system
Trouble codes named
P105A, P208A
| CHEVROLET COLORADO | 2022 |
|---|---|
| CHEVROLET EQUINOX | 2022 |
| CHEVROLET EXPRESS CUTAWAY VAN | 2022 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 4500 | 2022 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 5500 | 2019 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 6500 | 2022 (the catalog's model; the bulletin names a series or trim of it) |
| GMC CANYON | 2022 |
| GMC SAVANA | 2022 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2025225 | 2025-04-24. Engine |
|---|---|
| 25V274000 | 2025-04-24. ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL |
| 2023210 | 2023-04-06. Electrical |
| 23V247000 | 2023-04-06. ELECTRICAL SYSTEM:WIRING |
| 23V047000 | 2023-02-02. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
| 2023013 | 2023-01-19. Fuel System |
| 23V013000 | 2023-01-19. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:CONTROL/DRIVE MODULE |
| 21V346000 | 2021-05-13. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE |
| 2019631 | 2019-12-12. Electrical |
| 19V888000 | 2019-12-12. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| N262576260 | 2026-10-15. Service campaign. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition that could cause a small exhaust leak at the catalytic converter inlet. Dealers are to replace the catalytic converter inlet clamp and to inspect the catalytic converter – replacing it if damage is observed. The repairs will be made at no charge to the customer. |
|---|---|
| N262558690-02 | 2026-09-23. Service campaign. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module. |
| N262558690 | 2026-09-16. Service campaign. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module. |
| N262558690-01 | 2026-09-02. Emissions. Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module. |
| N262558690-01 | 2026-08-12. Service campaign. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module. |
| N262548050 | 2026-04-24. Service bulletin. This message is to inform dealers that Special Coverage N262548050 is being temporarily suspended for the models above. Involved vehicles will be temporarily removed from IVH. Dealers will be notified when repairs can be resumed. We apologize for any inconvenience this situation may cause. |
| N262548050 | 2026-04-23. Service campaign. Certain vehicles, may have a condition that could cause the Catalytic Converter to fail. If this failure occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Dealers are to replace the Catalytic Converter as necessary. The repairs will be made at no charge to the customer. |
| N252516900-01 | 2026-02-19. Emissions. Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module. |
| N252516900 | 2026-02-05. Emissions. Emission Recall. Additional VINs moved to Open status. |
| N252516900 | 2026-01-29. Emissions. Emission Recall. Additional VINs Moved to ‘Open’ Status |