Diagnostic Tip – Diesel Exhaust Fluid System Contamination – 2010-2023 Chevrolet & GMC

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NHTSA ID Number: 10222781

Manufacturer Communication Number: 19-NA-237

Summary

This informational bulletin explains how to identify possible DEF contamination.

 


Condition

Some customers may comment on one or more of the following conditions:

 

Cause

This condition may be caused by contamination in the diesel exhaust fluid (DEF) system and it’s components.

 

Correction

Note: Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

Refer to SI for Contaminants in Diesel Exhaust Fluid Diagnosis and use special tools J26568 Coolant and Battery Fluid Tester or EN50422 Diesel Exhaust Fluid Refractometer for fluid testing.

Note: All 2017 and newer model year diesel vehicles, with the exception of the Colorado and Canyon, are equipped with a DEF quality sensor integrated into the DEF tank. The value of this sensor can be read with the scan tool in the reductant data as the Reductant Concentration.

 


163 Affected Products

Vehicles

MAKE MODEL YEAR
CADILLAC ESCALADE 2021-2023
CADILLAC ESCALADE ESV 2021-2023
CHEVROLET COLORADO 2016-2022
CHEVROLET CRUZE 2014-2015, 2017-2019
CHEVROLET EQUINOX 2018-2019
CHEVROLET EXPRESS 2010-2022
CHEVROLET EXPRESS 1500 2010-2012, 2014
CHEVROLET EXPRESS 2500 2010-2011, 2014
CHEVROLET EXPRESS 3500 2010, 2012, 2014
CHEVROLET EXPRESS 4500 2012, 2014, 2016
CHEVROLET EXPRESS CUTAWAY 2013
CHEVROLET G VAN BUS 2010-2011
CHEVROLET G4500 2018
CHEVROLET SILVERADO 1500 2011-2018, 2020-2023
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 2021-2023
GMC SAVANA 2010-2022
GMC SAVANA 1500 2010-2017
GMC SAVANA 2500 2010-2018
GMC SAVANA 3500 2010-2018
GMC SIERRA 1500 2011-2018, 2020-2023
GMC SIERRA 2500 2019-2023
GMC SIERRA 3500 2019-2023
GMC SIERRA DENALI 2019-2020
GMC YUKON 2021-2023
GMC YUKON XL 2021-2022

 


1 Associated Document

Manufacturer Communications

Bulletin No.: 19-NA-237
Date: September, 2022

https://www.nhtsa.gov/recalls?nhtsaId=10222781

MC-10222781-0001.pdf 733.543KB

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NHTSA ID Number: 10144449

Manufacturer Communication Number: PIP5370D

Summary

This Preliminary Information communication provides information to the technician that some vehicle may have an “Exhaust Fluid Quality Poor” on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid quality related concerns. Technician will inspect the diesel exhaust fluid for contamination. Technician should use Service Information for Contaminants in Diesel Exhaust Fluid Diagnosis and use special tool J26568 or EN50422 Diesel Exhaust Fluid Refractometer for fluid testing.

 

1 Associated Document

Manufacturer Communications

Bulletin No.: PIP5370D
Published date: 08/8/2018

https://www.nhtsa.gov/recalls?nhtsaId=10144449

MC-10144449-9999.pdf 2689.641KB

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NHTSA ID Number: 10143448

Manufacturer Communication Number: PIP5370C

Summary

This Preliminary Information communication provides information to the technician that some vehicle may have an “Exhaust Fluid Quality Poor” on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid quality related concerns. Technician will inspect the diesel exhaust fluid for contamination. Technician should use Service Information for Contaminants in Diesel Exhaust Fluid Diagnosis and use special tool J26568 or EN50422 Diesel Exhaust Fluid Refractometer for fluid testing.

 

1 Associated Document

Manufacturer Communications

Bulletin No.: PIP5370C
Published date: 06/19/2018

https://www.nhtsa.gov/recalls?nhtsaId=10143448

MC-10143448-9999.pdf 2689.642KB

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NHTSA ID Number: 10119070

Manufacturer Communication Number: PIP5370A

Summary

This Preliminary Information communication provides information to the technician that some vehicle may have an ?Exhaust Fluid Quality Poor? on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid quality related concerns. Technician will inspect the diesel exhaust fluid for contamination. Technician should use Service Information for Contaminants in Diesel Exhaust Fluid Diagnosis and use special tool J26568 or EN50422 Diesel Exhaust Fluid Refractometer for fluid testing.

 

1 Associated Document

Manufacturer Communications

Bulletin No.: PIP5370A
Date: Oct-2016

https://www.nhtsa.gov/recalls?nhtsaId=10119070

MC-10119070-9999.pdf 798.052KB

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NHTSA ID Number: 10096079

Manufacturer Communication Number: PIP5370

Summary

THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLE MAY HAVE AN “EXHAUST FLUID QUALITY POOR” ON THE DRIVER INFORMATION CENTER OR A DIESEL EXHAUST FLUID WARNING LAMP ON OR OTHER EXHAUST FLUID QUALITY RELATED CONCERNS. TECHNICIAN WILL INSPECT THE DIESEL EXHAUST FLUID FOR CONTAMINATION. TECHNICIAN SHOULD USE SERVICE INFORMATION FOR CONTAMINANTS IN DIESEL EXHAUST FLUID DIAGNOSIS AND USE SPECIAL TOOL J26568 OR EN50422 DIESEL EXHAUST FLUID REFRACTOMETER FOR FLUID TESTING.

 

2 Associated Documents

Service Bulletin Document

Bulletin No.: PIP5370
Date: Feb-2016

https://www.nhtsa.gov/recalls?nhtsaId=10096079

SB-10096079-2280.pdf 783.666KB

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Manufacturer Communications

Bulletin No.: PIP5370
Date: Feb-2016

https://www.nhtsa.gov/recalls?nhtsaId=10096079

MC-10096079-2280.pdf 783.666KB

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“This site contains affiliate links for which OEMDTC may be compensated”
SaleBestseller No. 1
Blue Def DEF002-2PK Diesel Exhaust Fluid, 2.5 Gallon, 2 Pack
  • One gallon of is used approximately every 300 miles
  • A truck with a 20 gallon DEF tank can go up to 6000 miles between fill-ups
  • When used in an SCR system will reduce the levels of NOx emissions of those engines
Bestseller No. 2
BlueDEF Diesel Exhaust Fluid Synthetic Urea Deionized Water 2.5 Gallon (4 Pack)
  • Mixture of 32.5 percent high purity synthetic urea and 67.5 percent deionized water
  • Helps convert nitrogen oxide into harmless nitrogen gas and water vapor for cleaner emissions
  • Improves fuel economy by up to 5 percent
  • Inject the fluid into your exhaust stream with a specialized dosing module
  • Stable, colorless, odorless, and meets ISO standards 22241 for purity and composition
Bestseller No. 3
Blue Def DEF002-4PK Diesel Exhaust Fluid, 2.5 Gallon, 4 Pack
  • One gallon of is used approximately every 300 miles
  • A truck with a 20 gallon DEF tank can go up to 6000 miles between fill-ups
  • When used in an SCR system will reduce the levels of NOx emissions of those engines
  • Fit type: Universal
Bestseller No. 4
Prime Guard PRIM00250 DEF Diesel Exhaust Fluid, 2.5 Gallon Box
  • Prime Guard DEF is a safe, environmentally friendly solution for Selective Catalytic Reduction
Bestseller No. 5
Bestseller No. 6
ACDelco GM Original Equipment 10-4022 Diesel Exhaust Emissions Reduction (DEF) Fluid - 1 gal
  • Meets GM Original Equipment specifications to be approved for use in GM vehicles as well as in non-GM diesel vehicles that have an SCR (Selective Catalytic Reduction) system to meet regulated NOx emissions (Based on EPA certification testing. Your actual emissions will vary based on several factors including temperature, terrain, and driving conditions).
  • High quality formula is made from high purity urea and deionized water.
  • Meets API regulations and ISO 22241 standard for purity and concentration
  • Nozzles sold separately
Bestseller No. 7
SaleBestseller No. 8
PEAK BlueDEF Diesel Exhaust Fluid, 1 U.S. Gallon
  • ENGINEERED: For use in Selective Catalytic Reduction (SCR) systems on diesel engines
  • EFFICIENCY: BlueDEF diesel exhaust fluid is key to helping improve fuel economy by up to five percent
  • PROTECTION: Diesel exhaust fluid is non-toxic and safe to handle
  • QUALITY: Stable, colorless and odorless, and also meets ISO Standards 22241 for purity and composition
  • EFFORTLESS: Easily Inject the fluid into your exhaust stream with a specialized dosing module
Bestseller No. 9
AdBlue Diesel Exhaust SCR Fluid DEF LR072258, Original Equipment, Half-Gallon / 64oz Bottle, Compatible with Land Rover Discovery 5, Range Rover Sport, Velar, And Evoque, Diesel Vehicles Only
  • [𝗙𝗜𝗧𝗦] - Compatible with a range of BMW diesel model vehicles that use OE specification part # 83190441139 fluid. Compatible with select BMW 1, BMW 2, BMW 3, BMW 4, and BMW 5 models (see exact model code list below.)
  • [𝗟𝗘𝗔𝗞-𝗙𝗥𝗘𝗘] - Each bottle is topped with a special cap and neck sheath designed for screw-in use on the DEF fill port of BMW and other vehicles, meaning leak-free and mess-free filling on vehicles with screw-in style DEF fill ports.
  • [𝗢𝗘𝗠-𝗤𝗨𝗔𝗟𝗜𝗧𝗬] - Original Equipment Diesel Exhaust Fluid (DEF) 83190441139 made in Germany by AdBlue. This This SCR diesel exhaust NOx-reducing aqueous urea solution complies to ISO specification ISO 22241-1.
  • [𝗖𝗢𝗡𝗩𝗘𝗡𝗜𝗘𝗡𝗧] - Half-gallon/ 64oz (1.89-liter) size bottle provides ample fluid for regular replacement.
  • [𝗢𝗘-𝗥𝗘𝗙𝗘𝗥𝗘𝗡𝗖𝗘] - Meets OE Specifications. Compatible with BMW Group 83190441139, Land Rover LR072258, Jaguar T4N 12112, Mercedes-Benz A 000 583 0107, VW / Audi G 052 910 A2, Mazda 0000-AD-002, Peugeot / Citroen 1611328380.
SaleBestseller No. 10
ACDelco GM Original Equipment 10-4023 Diesel Exhaust Emissions Reduction (DEF) Fluid - 2.5 gal (Pack of 2)
  • Meets GM Original Equipment specifications to be approved for use in GM vehicles as well as in non-GM diesel vehicles that have an SCR (Selective Catalytic Reduction) system to meet regulated NOx emissions
  • High quality formula is made from high purity urea and deionized water. It contains no chemical additives or other components that could cause SCR system failure
  • Includes vented nozzle(s) that make pouring easy by helping to prevent glugging
  • Has 1 complimentary nozzle. Extra nozzles sold separately

Last update on 2024-04-03 / Affiliate links / Images from Amazon Product Advertising API

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1 thought on “Diagnostic Tip – Diesel Exhaust Fluid System Contamination – 2010-2023 Chevrolet & GMC”

  1. I like hat you talked about keeping contaminated fluid quarantined away form the rest of the vehicle. I will make sure to employ this later today when I take a look at my truck. I want to make sure that it is in prime operating condition. I love that truck, it’s so much fun to go muddin’ in, man I have a good time!

    Reply

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