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Service bulletin PIP5863B

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 id10253062
Published by NHTSA2024-04-15
Manufacturer's numberPIP5863B
Manufacturer's date2024-03-05
NHTSA componentEXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE

NHTSA's summary

This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. To clear the code to see if it resets current. If the code resets it advises to utilize Strategy Based Diagnosis. If the code does not reset, it advises to release the vehicle to the customer and that GM is aware of this issue.

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

Engine, Fuel system, Lighting

Trouble codes named

U0672

Vehicles listed
BUICK ENVISION2021, 2022, 2023, 2024
CADILLAC CT42020, 2021, 2022, 2023, 2024
CADILLAC CT52020, 2021, 2022, 2023, 2024
CADILLAC XT42019, 2020, 2021, 2022, 2023, 2024
CADILLAC XT52020, 2021, 2022, 2023, 2024
CADILLAC XT62020, 2021, 2022, 2023, 2024
CHEVROLET BLAZER2020, 2021, 2022, 2023, 2024
CHEVROLET COLORADO2023, 2024
CHEVROLET SILVERADO 15002019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
GMC ACADIA2020, 2021, 2022, 2023, 2024
GMC CANYON2023, 2024
GMC SIERRA 15002019, 2020, 2021, 2022, 2023, 2024 (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
20252252025-04-24. Engine
25V2740002025-04-24. ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL
20246782024-11-07. Lights And Instruments
24V7550002024-10-10. EXTERIOR LIGHTING:LIGHTING CONTROL MODULE
20245192024-09-12. Lights And Instruments
20245182024-09-12. Lights And Instruments
24V6730002024-09-12. EXTERIOR LIGHTING:HEADLIGHTS
20243752024-06-28. Fuel System
24V4910002024-06-28. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:MOUNTING PLATE/FLANGE; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
20243592024-06-20. Lights And Instruments

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
N262570770-032026-10-16. Service campaign. Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak. Dealers are to cut the thermal break tabs on the radiator.
N2625762602026-10-15. 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.
N262570770-022026-09-25. Service campaign. Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak. Dealers are to cut the thermal break tabs on the radiator.
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.
N262570770-012026-09-18. Service campaign. Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak. Dealers are to cut the thermal break tabs on the radiator.
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.
N2625707702026-09-15. Service campaign. Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak. Dealers are to cut the thermal break tabs on the radiator.
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.