# Service bulletin 22\-NA\-203

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: 10225610
- Published by NHTSA: 2022\-11\-02
- Manufacturer's number: 22\-NA\-203
- Manufacturer's date: 2022\-10\-17
- NHTSA component: ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE

## NHTSA's summary

This technical bulletin provides a procedure to correct the condition of Check Engine Lamp Illuminated on Driver Information Center \(DIC\) with DTC P0451 Set.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225610-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225610-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Fuel system

## Trouble codes named

P0451

## Vehicles listed

- 2021 to 2022 BUICK ENVISION
- 2019 to 2023 CADILLAC XT4

## Recalls for the same vehicles and component

- [21V421000](/recalls/nhtsa/21V421000.md), 2021-06-10: AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; ELECTRICAL SYSTEM:SOFTWARE

## Other bulletins for the same vehicles and component

- [N252516900\-01](/bulletins/11028909.md), 2026-02-19, Emissions: FUEL/PROPULSION SYSTEM. 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](/bulletins/11028382.md), 2026-02-05, Emissions: FUEL/PROPULSION SYSTEM. Emission Recall. Additional VINs moved to Open status.
- [N252516900](/bulletins/11027870.md), 2026-01-29, Emissions: FUEL/PROPULSION SYSTEM. Emission Recall. Additional VINs Moved to ‘Open’ Status
- [N252516900](/bulletins/11027666.md), 2026-01-15, Emissions: FUEL/PROPULSION SYSTEM. Emission Recall. Fuel Pump Power Control Module. Additional VINs Moved to ‘Open’ Status
- [N252516900](/bulletins/11026626.md), 2025-12-17, Emissions: FUEL/PROPULSION SYSTEM. Emission Recall. Additional VINs moved to Open status.
- [N252516900](/bulletins/11024191.md), 2025-10-09, Emissions: FUEL/PROPULSION SYSTEM. Emission Recall. Population Expansion.
- [N252516900](/bulletins/11023730.md), 2025-10-03, Emissions: FUEL/PROPULSION SYSTEM. Emission Recall. Fuel Pump Power Control Module.
- [N252516900](/bulletins/11023093.md), 2025-09-11, Emissions: FUEL/PROPULSION SYSTEM. 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.
- [22\-NA\-242](/bulletins/11019545.md), 2025-06-16, Service bulletin: ELECTRICAL SYSTEM. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
- [24\-NA\-139](/bulletins/11019378.md), 2025-06-07, Service bulletin: FUEL/PROPULSION SYSTEM; ENGINE. This service bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Malfunction Indicator Lamp \(MIL\) Illuminated – DTC P023F or P129F Set.

JSON: [/v1/bulletins/10225610](/v1/bulletins/10225610)

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