Diesel Fuel System Contamination, Malfunction Indicator Lamp (MIL) Illuminated – DTC P026D, P2A00, P0171, P0172 and/or P0300 Set – 2017-2023 Cadillac Chevrolet GMC

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NHTSA ID Number: 10222658

Manufacturer Communication Number: 18-NA-361

Summary

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

 


Condition

Some customers may comment that the MIL is illuminated.

 

Note: If removing the fuel filter from the filter housing, clean the outside of the fuel filter assembly prior to removing the fuel/water filter from the housing.

Some technicians may find metal particles in the fuel system during diagnostics.

Important: If the fuel/water filter has been removed for inspection, Do Not install the filter back into the housing until the fuel/water separator reservoir has been cleaned. Refer to the Information on Fuel/Water Filter Removal section below.

Some technicians may also find one or more of the following DTCs set in the Engine Control Module (ECM):

 

Correction

If you encounter such a situation, DO NOT replace the fuel system as described in Service Bulletin #16-NA-102.

Please perform the following fuel system flushing procedure prior to performing further diagnostics.

Once the fuel system has been flushed, continue with diagnostics as described in SI.

 


72 Affected Products

Vehicles

MAKE MODEL YEAR
CADILLAC ESCALADE 2021-2023
CADILLAC ESCALADE ESV 2021-2023
CHEVROLET CRUZE 2014-2015, 2018-2019
CHEVROLET SILVERADO 1500 2017-2023
CHEVROLET SILVERADO 2500 2019-2023
CHEVROLET SILVERADO 3500 2019-2023
CHEVROLET SILVERADO 4500HD 2019-2023
CHEVROLET SILVERADO 5500HD 2019-2023
CHEVROLET SILVERADO 6500HD 2019-2023
CHEVROLET SUBURBAN 2021-2023
CHEVROLET SUBURBAN 1500 2021-2022
CHEVROLET TAHOE 2020-2023
GMC SIERRA 1500 2017-2018, 2020-2023
GMC SIERRA 2500 2019-2023
GMC SIERRA 3500 2019-2023
GMC TERRAIN 2018-2019
GMC YUKON 2021-2023

 


1 Associated Document

Manufacturer Communications

Bulletin No.: 18-NA-361
Date: September, 2022

https://www.nhtsa.gov/recalls?nhtsaId=10222658

MC-10222658-0001.pdf 500.654KB

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NHTSA ID Number: 10198846

Manufacturer Communication Number: 18NA361

Summary

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

1 Associated Document

Manufacturer Communications

Bulletin No.: 18-NA-361
Date: May, 2021

https://www.nhtsa.gov/recalls?nhtsaId=10198846

MC-10198846-9999.pdf 618.389KB

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NHTSA ID Number: 10183162

Manufacturer Communication Number: 18NA361

Summary

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

 

1 Associated Document

Manufacturer Communications

Bulletin No.: 18-NA-361
Date: October, 2020

https://www.nhtsa.gov/recalls?nhtsaId=10183162

MC-10183162-9999.pdf 303KB

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NHTSA ID Number: 10181676

Manufacturer Communication Number: 18NA361

Summary

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

 

1 Associated Document

Manufacturer Communications

Bulletin No.: 18-NA-361
Date: September, 2020

https://www.nhtsa.gov/recalls?nhtsaId=10181676

MC-10181676-9999.pdf 617.219KB

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NHTSA ID Number: 10199237

Manufacturer Communication Number: 18NA361

Summary

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

 

1 Associated Document

Manufacturer Communications

Bulletin No.: 18-NA-361
Date: May, 2021

https://www.nhtsa.gov/recalls?nhtsaId=10199237

MC-10199237-9999.pdf 618.389KB

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NHTSA ID Number: 10163208

Manufacturer Communication Number: 18NA361

Summary

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

 

Bulletin No.: 18-NA-361
Date: June, 2019

https://www.nhtsa.gov/recalls?nhtsaId=10163208

https://static.nhtsa.gov/odi/tsbs/2019/MC-10163208-9999.pdf


 

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