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Service bulletin PIE0791A

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11002311
Published by NHTSA2024-06-25
Manufacturer's numberPIE0791A
Manufacturer's date2024-06-05
NHTSA componentELECTRICAL SYSTEM; ENGINE; FUEL/PROPULSION SYSTEM

NHTSA's summary

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Check Engine Lamp illuminated on Driver Information Center (DIC), and having DTCs P0202, P0203 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

P0202, P0203

Vehicles listed
CADILLAC ESCALADE2023, 2024
CADILLAC ESCALADE ESV2023
CHEVROLET SILVERADO 15002023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2024
CHEVROLET SUBURBAN 15002023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2023, 2024
GMC SIERRA 15002023, 2024 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2023, 2024
GMC YUKON XL2023
GMC YUKON XL 15002023 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V6190002025-09-18. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
20252252025-04-24. Engine
25V2740002025-04-24. ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL
24V3200002024-05-09. ELECTRICAL SYSTEM:PROPULSION SYSTEM; ELECTRICAL SYSTEM:WIRING

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
N262558690-022026-09-23. 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.
N2625586902026-09-16. 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.
N242452131-022026-09-15. Emissions. Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain 2023-2024 model year Chevrolet Colorado / Silverado 1500 and GMC Canyon / Sierra 1500 vehicles equipped with a 2.7L engine (RPO L3B). The Engine Control Module (ECM) may not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.
N262558690-012026-09-02. 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.
N262558690-012026-08-12. 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.
N242452130-012026-08-04. Service campaign. Certain vehicles may have a condition in which the Engine Control Module (ECM) does not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.
N2525290802026-04-01. Service campaign. Service Update. Certain vehicles listed above may be missing a high voltage header plug on the RESS battery pack drive motor connector. Dealers are to inspect the RESS pack connectors and install the proper HV Header Plug if missing.
N2525155902026-01-27. Service campaign. Certain vehicles listed above, may have a condition in which the body-to-chassis ground strap may be corroded. Dealers will replace the ground strap.
N252494003-022026-01-21. Service campaign. Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to engine damage and engine failure. This special coverage covers if an engine failure occurs in the vehicle as a result of the condition described above for a period of 10 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after May 23, 2025, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to May 23, 2025, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to replace the engine. The repairs will be made at no charge to the customer.
25-NA-1502025-12-04. Service bulletin. This bulletin provides a procedure to check and replace the oil cooler seals before just replacing the oil cooler, for an oil leak.