How to Reset the 2017 Duramax Exhaust Fluid System for Optimal Service

To reset the 2017 Duramax exhaust fluid system, consult the instructions in your owner’s manual.

2017 Duramax Service Exhaust Fluid System Reset

The 2017 Duramax Service Exhaust Fluid System Reset is a procedure to help optimize the life of your engine and keep your vehicle running smoothly. The system reset uses several protective cycles, such as resetting the diesel particulate filter and cleaning the exhaust fluid pump. This procedure can also help you identify any faults with the exhaust fluid system components by displaying what needs attention. With a few simple steps, you can successfully complete this reset and ensure that your 2017 Duramax is running its best.

What is a Duramax Diesel Engine?

The Duramax diesel engine is a type of diesel engine produced by General Motors for use in their light and medium duty trucks. The engine was introduced in 2001 and has been continually refined over the years. It has become a popular choice for many people because of its efficiency, power, and reliability. It is available in different variants ranging from 2.8L to 6.6L. The most common variant is the 6.6L V8 turbocharged version, which produces up to 445 horsepower and 910 lb-ft of torque.


The Duramax diesel engine was developed by GM as an alternative to their existing diesel engines, which had been around since the 1930s. The first Duramax engine was introduced in 2001 with the Chevy Silverado 2500HD and 3500HD pickup trucks. It was an 8.1L Vortec V8 that produced up to 300 horsepower and 520 lb-ft of torque. In 2004, GM released an updated version of the Duramax that featured improved fuel economy, emissions, and power output – this new version was called the LB7 (for light-duty 7). Since then, GM has continually refined the design of the Duramax engine with each successive generation becoming more efficient and powerful than its predecessor.


The Duramax diesel engine is constructed using mostly aluminum parts to reduce weight while maintaining durability. This includes an aluminum block with cast iron cylinder liners for increased strength, as well as aluminum heads with double overhead camshafts (DOHC) for improved airflow and power output at higher revs. Other features such as direct fuel injection (DFI), high-pressure common rail injection system (HPCR), variable valve timing (VVT), and turbochargers are used to improve performance further still.

Why Reset the Service Exhaust Fluid System in a Duramax Diesel Vehicle?

The Service Exhaust Fluid (SEF) system on a vehicle equipped with a Duramax diesel engine must be reset regularly in order to keep it operating correctly and efficiently. The SEF system monitors exhaust gas temperature (EGT) levels during operation and helps regulate EGT levels during cold starts or when idling for long periods of time; this helps reduce emissions while maintaining optimal performance from the vehicle’s powerplant. Without resetting the SEF system on a regular basis, it can become clogged or malfunction due to built up soot or other debris – this can lead to higher EGT levels which can damage parts or cause excessive smoke emission from the tailpipe; both of these can be dangerous or illegal depending on your local laws and regulations.

Importance of SEF Resetting

Resetting the SEF system is important because it ensures that your vehicle’s EGT levels remain within acceptable limits at all times; this helps protect both passengers from harmful emissions as well as protecting your vehicle’s exhaust components from damage due to excessive heat buildup caused by high EGT levels. Furthermore, resetting your SEF system regularly can help improve fuel economy by reducing unnecessary fuel consumption due to excessive smoke production caused by clogged filters or other issues caused by improper maintenance of your vehicle’s exhaust system components – this will save you money over time!

Relevant Errors while SEF Resetting

When attempting to reset your SEF system there are several potential errors that may occur which should be taken into account before attempting any servicing procedures: improper voltage supply/connection issues may cause incorrect readings/errors when using diagnostic tools; incorrect filter installation/replacement may lead to clogging/reduced performance; incorrect wiring/connections could lead to inaccurate readings/data being sent between components etc… All of these should be taken into consideration when attempting any servicing procedures on your vehicle’s SEF system – if any problems are encountered then contact your local service center for assistance before proceeding further!

Service Exhaust Fluid System Resetting Procedure – 2017 Duramax Diesel Engine

Resetting your Service Exhaust Fluid (SEF) System on a 2017 model year Chevrolet Silverado equipped with a 6.6L V8 Duramax diesel engine requires some basic tools and knowledge about how this procedure works; here are some tips & tricks for performing this task successfully:

Tools & Parts Required

To perform this procedure you will need: OBDII scanner/reader capable of reading live data streams (such as an OBDLink LX); flat blade screwdriver; 10mm wrench; new OE replacement filter element; drain pan/bucket; oil catch rag/towel etc…

Step-by-Step Procedure:

1) Start by connecting your OBDII scanner/reader tool into the vehicles diagnostic port located underneath the driver side dashboard near the steering column make sure all connections are secure before proceeding further!

2) Turn on ignition key but do not start engine wait until scanner reads Ready before continuing with next step

3) Select Read Live Data Stream option from scanner menu wait until data stream reads OK before continuing with next step

4) Next select Reset Exhaust Fluid Level option from scanner menu wait until data stream reads OK before continuing with next step

5) Now locate & remove filter housing cap located just behind passenger side wheel well use flat blade screwdriver & 10mm wrench if necessary

6) Remove old filter element & discard place drain pan beneath housing area before doing so

7) Install new filter element making sure it is securely fastened into place using flat blade screwdriver & 10mm wrench if necessary

8) Reinstall filter housing cap making sure it is securely fastened back into place using flat blade screwdriver & 10mm wrench if necessary

9) Finally select Complete Exhaust Fluid Level Reset option from scanner menu wait until data stream reads OK before turning off ignition key & disconnecting OBDII tool from diagnostic port


Once completed cycle ignition key once again without starting engine wait until scanner reads Ready again before disconnecting tool & turning off ignition key.

Congratulations! Your Service Exhaust Fluid System has now been successfully reset on your 2017 model year Chevrolet Silverado equipped with a 6.6L V8 Duramax diesel engine – enjoy improved performance & reduced emissions today!