# 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.

- Type: Service bulletin
- NHTSA id: 10253062
- Published by NHTSA: 2024\-04\-15
- Manufacturer's number: PIP5863B
- Manufacturer's date: 2024\-03\-05
- NHTSA component: EXTERIOR 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-10253062-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-10253062-9999.pdf)

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

## Components

Engine, Fuel system, Lighting

## Trouble codes named

U0672

## Vehicles listed

- 2021 to 2024 BUICK ENVISION
- 2020 to 2024 CADILLAC CT4
- 2020 to 2024 CADILLAC CT5
- 2019 to 2024 CADILLAC XT4
- 2020 to 2024 CADILLAC XT5
- 2020 to 2024 CADILLAC XT6
- 2020 to 2024 CHEVROLET BLAZER
- 2023 to 2024 CHEVROLET COLORADO
- 2019 to 2024 CHEVROLET SILVERADO 1500
- 2020 to 2024 GMC ACADIA
- 2023 to 2024 GMC CANYON
- 2019 to 2024 GMC SIERRA 1500

## Recalls for the same vehicles and component

- [2025225](/recalls/tc/2025225.md), 2025-04-24: Engine
- [25V274000](/recalls/nhtsa/25V274000.md), 2025-04-24: ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL
- [2024678](/recalls/tc/2024678.md), 2024-11-07: Lights And Instruments
- [24V755000](/recalls/nhtsa/24V755000.md), 2024-10-10: EXTERIOR LIGHTING:LIGHTING CONTROL MODULE
- [2024519](/recalls/tc/2024519.md), 2024-09-12: Lights And Instruments
- [2024518](/recalls/tc/2024518.md), 2024-09-12: Lights And Instruments
- [24V673000](/recalls/nhtsa/24V673000.md), 2024-09-12: EXTERIOR LIGHTING:HEADLIGHTS
- [2024375](/recalls/tc/2024375.md), 2024-06-28: Fuel System
- [24V491000](/recalls/nhtsa/24V491000.md), 2024-06-28: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:MOUNTING PLATE/FLANGE; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
- [2024359](/recalls/tc/2024359.md), 2024-06-20: Lights And Instruments

## Other bulletins for the same vehicles and component

- [N262570770\-03](/bulletins/11038560.md), 2026-10-16, Service campaign: ENGINE. 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.
- [N262576260](/bulletins/11038468.md), 2026-10-15, Service campaign: ENGINE. 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\-02](/bulletins/11037486.md), 2026-09-25, Service campaign: ENGINE. 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\-02](/bulletins/11037460.md), 2026-09-23, Service campaign: FUEL/PROPULSION SYSTEM. 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\-01](/bulletins/11037367.md), 2026-09-18, Service campaign: ENGINE. 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](/bulletins/11037321.md), 2026-09-16, Service campaign: FUEL/PROPULSION SYSTEM. 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](/bulletins/11037318.md), 2026-09-15, Service campaign: ENGINE. 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\-02](/bulletins/11037312.md), 2026-09-15, Emissions: FUEL/PROPULSION SYSTEM. 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\-01](/bulletins/11036648.md), 2026-09-02, 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.
- [N262558690\-01](/bulletins/11036143.md), 2026-08-12, Service campaign: FUEL/PROPULSION SYSTEM. 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.

JSON: [/v1/bulletins/10253062](/v1/bulletins/10253062)

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