These short topics provide specific information in a short period of time. The goal is to help you increase your service performance and improve your bottom–line. The graphics below are links to TECHAssist topics in four categories. GM STC selects topics that should be of great value to you.

If you have never been here before we encourage you to begin by clicking HELP, the button located in the upper right corner of this page. HELP contains a very concise interactive presentation on how this application works.

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Technical Service Bulletin Enhancement
Topics in this category illustrate selected Technical Service Bulletins by taking advantage of the multimedia capabilities of the Web to deliver sound clips, color photographs, animations, and short video clips. Designed to make it fast and easy for Technicians to hear and see the content of certain high priority Technical Service Bulletins, they range in length from 5 to 20 minutes.

Back to Basics
Topics is this category illustrate “how to” and are short reviews of basic skills and techniques most Technicians are unlikely to use every day. These handy refreshers are designed as a quick and easy ready reference to topics like Voltage Drop, How to use the Fluke 87 and more. They range in length from 5 to 10 minutes.

Emerging Issues
Topics in this category illustrate issues that are likely to have a large impact on many vehicles and/or the work of many Technicians. Designed to get critical information out to the field fast, they range in length from 5 to 10 minutes.

New Course Content
These TECHAssists are offered for credit on the technician’s training record. They usually focus on a single topic that is targeted for future addition to an existing course in the GM STC curriculum. Designed to save time for those technicians who have completed a required course component and only need to catch up on new information that is required in their training path. Taking one of these TECHAssists, and passing the associated test, in addition to having successfully completed the related course component will help you to fulfill training requirements quicker.

Back to Basics

Course Number	Course Name	Description
50240.11T1	Micrometer Basics	This overview of both English and metric micrometers provides the fundamentals all service technicians need to make productive use of these tools.
50240.12T1	TECH II Live Plot	This review of a great TECH II feature will help you complete live diagnostics. This use of the "Scan Tool" may aid in diagnosis of an intermittent vehicle condition by enabling the user to view live data from the vehicle.
50240.13T1	Fluke 87 Ghosting Issue	Some fluke 87s display a distracting "ghost" image.  This TECHAssist shows you how to install an upgrade to remedy the problem.
50240.10T1	Digital Multi-Meter Review	This is a short, ten minute review of the basic functions of this tool. The DMM, as it is commonly called, has many features to help you diagnose electrical and electronic concerns.
50240.14T1	Schematic Basics	Often technicians need to troubleshoot an electrical problem.  Being able to read a schematic that illustrates how the system in question is designed to function is often essential to being able to efficiently isolate a concern.  This TECHAssist covers the basics of symbols, wire gauges and color codes and provides a simple real-world example that lets you apply the basic skill of reading a schematic.
50240.15T1	Voltage Drop	Voltage drop can be hard to diagnose and has many different causes.  This TECHAssist shows how to setup the Fluke 87 and check for the difference in voltage potential between 2 points. It will also help the technician understand the importance of this test when diagnosing an electrical circuit.
50240.16T1	Electronic Vibration Analyzer (EVA) Introduction	For all GM Service Technicians, this TECHAssist introduces the Electronic Vibration Analyzer (EVA).  This TECHAssist will explain the features and benefits of the tool. This tool from Kent-Moore has two versions; the original EVA (tool # J-38792) and the EVA2 (tool # J-38792-A).
50240.17T1	Diesel Engine Familiarization	To familiarize GM Service Technicians with the diesel engine, this TECHAssist presents an overview of diesel: fuel, ignition, and combustion systems and specifies difference between gas and diesel technologies.
50240.18T1	Using the J-46079 TPM Tool	This TECHAssist will show the GM approved procedure for using the J-46079 TPM tool for initiating and diagnosing the TPM systems on GM vehicles.
50240.20T1	GM Approved Procedures for Wire Repair	This TECHAssist will show the GM approved procedures for repairing wire.
50240.19T1	Procedure for Installing GM Accessory 20" Wheels	This TECHAssist will show the GM approved procedure for installing wheels up to 20" and reprogramming modules for this upgrade.
50240.26T1	Cadillac CTS, SRX, and STS Fuel System Diagnosis	This TECHAssist will show the GM approved procedure for diagnosing the fuel tank system on the Cadillac CTS, SRX, and STS
50240.23T1	Issues with Reprogramming Modules	This TECHAssist will outline precautions to take when reprogramming GM vehicles and offer suggestions for trouble free reprogramming procedure.
50240.28T1	Retrofitting R-12 A/C Systems to R-134A	The purpose of this TECHAssist is to provide information regarding the conversion of R-12 air conditioning systems into R-134A systems. It covers the required equipment, the recovery process, the conversion process and recharging the system with the new refrigerant.

New Course Content

Course Number	Course Name	Description
16045.21T1	Diesel Engine EGR System	An exhaust gas recirculation system has been added to the Duramax engine to improve engine performance.  This piece describes how it works, identifies and illustrates the location of the system components and explains how to avoid a particular malfunction you need to know about if you will be working on these vehicles.  You can take this piece for credit.
16240.41T1	2003 Express/Savanna CNG Injected Fuel System	The intent of this TECHAssist is to show the differences between the 2003 Express/Savanna CNG Injected Fuel System and other CNG systems.  It covers system operation, including components and some diagnosis information.  You can take this piece for credit.
16240.45T1	2003 Sierra/Silverado /Cavalier CNG Fuel System	The intent of this TECHAssist is to show the differences between the2003 Sierra/Silverado/Cavalier CNG Fuel System and other CNG systems.  It covers system operation, including components and some diagnosis information.  You can take this piece for credit.
16240.42T1	CNG Tank Inspection	This TECHAssist provides technicians with important procedures to inspect and service CNG tanks.  This information compliments the 16240 series of courses on CNG vehicles.  It highlights specific information found in SI.  Consult SI for more detailed information and procedures.  You can take this TECHAssist for credit.
16040.02T1	OBD II	This TECHAssist focuses on the new content that has been added to OBD II (16040.02W-R2) course.  Specifically, the new EVAP small leak detection method known as EONV and the Evaporative Emissions System Tester J-1413-200 (smoke machine) are covered in this training.  The content in this TECHAssist updates technicians who previously took 16040.02W. You can take this piece for credit.
12446.10T1	2004 Cadillac XLR Fascia Repair	For all Cadillac technicians elected to service the Cadillac XLR.  This TECHAssist covers the procedures that are required to repair URPA fascia at the dealership.
19040.25T1	On Star Gen 6	For all GM Service Technicians, this TECHAssist describes new features with OnStar Generation 6.  Completion of this TECHAssist for credit will allow technicians who have successfully 19040.20 to fulfill STS requirements.  If you have completed OnStar course 19040.30 you do not need to complete this component for credit.
16044.13	Hydrocarbon Adsorbers	This TECHAssist provides the information necessary for service technicians to be able to identify and describe the new features and technology found on the new or updated engines for 2005.  The engines covered in this course are the 5.3L LH6 with Displacement on Demand, 6.0L LS2, 4.2L LL8, 2.2L L61 and the 8.1L L18.
16044.12	Wide Band O2 Sensor	For all GM Service Technicians, this TECHAssist covers the theory, operation and some diagnosis of a Wide Band Oxygen Sensor.
16048.17T1	Functional Diagnostics	This TECHAssist is intended to familiarize the technician with the Functional Diagnostics architecture for the Tech 2.
16049.02T1	Saab Scan Tool for 9-2x Part 1 of 2	This TECHAssist presents the use of the Saab Scan Tool for 9-2X covering navigation through menus, display of data, and how to convert data into graph form.
16049.03T1	Saab Scan Tool for 9-2x Part 2 of 2	This TECHAssist continues the presentation of the Saab Scan Tool for 9-2X functions to include; display of codes and clearing of codes, steps to run the dealer check mode and system operation mode.  Also covered are OBD information, how to save data, display saved data and the reprogramming option.
16041.06T1	2004 Malibu- Remote Vehicle Start	This TECHAssist presents an overview of the operational characteristics of the remote start system in use on 2004-2005 Chevrolet Malibu.
96086.30T1	Program Injectors on 5.2L & 7.8L Isuzu Engines	This TechAssist covers the injector flow rate programming procedure of the 5.2L & 7.8L Duramax Engines built after Jan 1. 2004
16240.61T1	Type 4 CNG Tank Inspection	This TECHAssist provides the information necessary for technicians to Service and Inspect the Type 4 CNG tanks used of 2005 Silverado and Sierra's.
16041.05T1	Regulated Voltage Control	This TechAssist is intended to familiarize the technician with the operational characteristics of Regulated Voltage Control.
13041.12T1	Electric Power Steering Systems - EPS	This TECHAssist provides an introduction to the Electric Power Steering (EPS) systems. There are two systems that General Motors uses today, a Delphi system and a Koyo system. We will breifly discuss operation, component overview, and testing.
15045.45T1	Vehicle Stability Enhancement System (VSES) Operation	This TECHAssist provides an introduction to the VSES system and clears up confusion on how it is used and how it DOES NOT interact with other vehicle systems. The course will cover theory, operation, component overview, location, and system diagnostics.
18466.10T1	Adaptive Forward Lighting System	The TECHAssist is an introduction and overview of the components and operating strategy of the system with brief mention of diagnostics.
22048.31T1	GM Passenger Presence System	This TECHAssist provides an introduction to the GM Passenger Presence Systems. The course will cover the types of systems used in GM vehicles. Theory and operation, component overview, components location, and diagnostic information will also be covered.
13044.12T1	Tire Pressure Monitoring (TPMS) Diagnostics	This TECHAssist will show the diagnostic procedures for troubleshooting the Tire Pressure Monitoring (TPM) systems on GM vehicles.
15045.12T1	Hummer H3 Electric-Hydraulic Brake Booster	This TECHAssist provides an introduction to the Electro-Hydro boost braking system in the H3. This system is a new compact unit that contains the booster ABS control module, and the master cylinder in one unit. We will look at system overview, diagnostics, and service.
16050.20T1	Camshaft Variable Lift Systems	This TECHAssist provides the information necessary for service technicians to be able to identify and describe the operation of the Camshaft Variable Valve Lift systems found on the Saab 9-2x, Saturn Vue and Pontiac Vibe GT.
15045.13T1	Anti-lock Braking Systems Overview	The objective of this TECHAssist is to provide an overview of the various anti-lock braking system components and review some common precautions and tips which are typically encountered by technicians.

Technical Service Bulletin Enhancement

Course Number	Course Name	Description
10864011	Service Bulletin: Replace Power Window Motor	This TECHAssist describes a correction for a condition in which the customer complains of a power window not operating.  For 1999-2002 year models, there is a new motor replacement kit available, without the regulator.  Similar procedures will be available for the C, W and N cars.
030867009A	J/N body Sunroof Repair	This TECHAssist highlights the repair and timing procedure for the Webasto sunroof on the Pontiac Grand Am, Pontiac Sunfire, Chevrolet Cavalier and Chevrolet Malibu.
030604030A	Fuel Injector Cleaning Procedure	This TECHAssist will inform the Technicians on a new GM procedure for cleaning fuel injectors while in the engine.
030601018B	New Cyl. Bore Liner/ Piston Sleeve Replacement	This TECHAssist will show the GM approved procedure for cylinder bore liner and piston sleeve replacement on all four, five and six cylinder engines.
30523005	On-Car Brake Lathe	This TECHAssist is intended for all GMC and Chevrolet Service Technicians; this TECHAssist provides set up and usage instruction for the On-Car Brake Lathe.
40847003	2001-2004 Impala / Monte Carlo BCM Repair	This TECHAssist will show the GM approved procedure for diagnosing BCM concerns on 2001-04 Impala and Monte Carlos.
020730013BT1	Diagnosing the 4T65-E Valve Body	This TECHAssist will show the GM approved procedure for diagnosing the valve body on the 4T65E transaxle.
040604037T1	Emission Evaporator Canister Air Pump & Hose Assembly Replacement Procedure	This TECHAssist will show the proper installation of the evap canister on a 4.3L application.
010089011BT1	Technical Assistance Preparedness Information Form	This TECHAssist will show the GM approved procedure for using the new Technical Assistance Information Form.

Emerging Issues

Course Number	Course Name	Description
50250.03T1	4.3L Timing Tensioner Kit	This TECHAssist will inform technicians about a new procedure for adding a timing chain tensioner on the 4.3L engine.
50250.01T1	Duramax 6600: Fuel Injector Balance Test	This TECHAssist provide information and reviews the steps surrounding the Duramax 6600: Fuel Injector Balance Test with TECH II on automatic and manual transmissions.
50250.05T1	Terminal Kit (J-38125-D) Set-Up	This TECHAssist is intended for technicians and other dealer personnel that are involved in the inventory and maintenance of the J-38125 Terminal Kit. Content includes explanations concerning the update available for the J-38125-C kit and application.
50250.07T1	Pontiac Vibe EVAP System Diagnosis	This TECHAssist will show the GM approved procedure for diagnosing evap system on the Pontiac Vibe.
50250.06T1	Active/ Hall Wheel Speed Sensor Operation	This TECHAssist will describe the operation characteristics of the new active / hall effect wheel speed sensor.  It will also describe proper testing procedures.
50250.08T1	2004 Pontiac Grand Prix Steering Click Noise Repair	This TECHAssist will show the GM approved procedure for repairing a click noise on the 2004 Pontiac Grand Prix.
50250.12T1	2005 Equinox BCM Programming Procedure	This TECHAssist will show the GM approved procedure for programming the BCM on 2005 Chevrolet Equinox.
50250.11T1	Diagnosing the CKP on the LY7 3.6L engine	This TECHAssist will show the GM approved procedure for diagnosing the CKP on the LY7 3.6L engine.
50250.09T1	PTO Operation & Programming	This TECHAssist will outline PTO operation and the ECM programmable features.
50250.10T1	Repair procedure for the side door on GM vans	This TECHAssist will show the GM approved procedure and parts for repairing the side door on GM vans.
50250.14T1	Delphi Micro .64 Connection System Service	This TECHAssist provides the technician with the necessary information to properly service the Delphi .64 Connection System. Information will include removal of installation onto a module, proper testing probing of terminals, disassembly of the connector to remove a single terminal, perform service replacement procedure of terminal, and reassembly of connector.
50250.13T1	Entertainment Diagnostic Consideration	This TECHAssist will provide some tips for diagnosing entertainment and navigation system system on GM passenger cars and trucks with Compact Disc (CD) or DVD players.
19047.12T1	Bluetooth Operation and Diagnosis	This TECHAssist presents an overview of the operational characteristics and diagnostic strategies for the Bluetooth capability on GM vehicles.
19047.11T1	PhatNoise Operation and Troubleshooting	This TECHAssist presents an overview of the operational characteristics and diagnostic strategies for the GM Digital Multimedia System (PhatNoise) on GM vehicles.
50250.15T1	Diagnosing the 2005 Pontiac Vibe EVAP System	This TECHAssist will show the GM approved procedure for diagnosing the EVAP system on the 2005 Vibe.
50250.19T1	Repair Procedure Power Side Door on GMT200 (2001-2005) Vans	This TECHAssist will demonstrate the GM approved repair procedure for the power side door on (2001-2005) GMT200 vans.
50250.20T1	Repair Procedure Power Side Door on GMT201 Vans	This TECHAssist will demonstrate the GM approved repair procedure for the power side door on (2005-2006) GMT201 vans.
50250.16T1	6.6L Duramax Diesel Injector Programming	This TECHAssist covers the injector flow rate programming procedure for the 6.6L Duramax Diesel engines built for the 2006 model year.

Page Last Updated January 27, 2006