ADVANCED
DIAGNOSTIC SUPPORT

To maximize your shop’s potential, you need cutting-edge diagnostic technology and resources. It’s our goal to provide you with everything you need to get the job done right, with the appropriate tools at your fingertips. Below you can explore or download the diagnostic program resources, equipment, and additional benefits GM has to offer.

ADVANCED DIAGNOSTIC SUPPORT

To maximize your shop’s potential, you need cutting-edge diagnostic technology and resources. It’s our goal to provide you with everything you need to get the job done right, with the appropriate tools at your fingertips. Below you can explore or download the diagnostic program resources, equipment, and additional benefits GM has to offer.

PROGRAMS

PROGRAMS

Our programs can help provide you with the information and tools you need for safe, proper repairs.

TECHLINE CONNECT

Techline Connect (formerly TIS2Web) is the internet-based subscription service for GM vehicle calibrations, Global Diagnostic System software, and scan tool hardware updates. This single application covers all technical problems accurately and efficiently by integrating Service Information, programming, and scan tool diagnostics into a one-stop shop.

BENEFITS:

  • Helps improve profits by bringing diagnostics and repairs in-house
  • Saves time by helping to diagnose GM vehicles quickly and accurately
  • Quickly looks up vehicle calibrations 
  • Provides access to trained experts for time-sensitive issues related to the operation of GM software
  • Offers multiple subscription options to better fit your service and diagnostics needs
  • Compatible with a variety of GM makes and models

Participants in my GM Partner Perks may be eligible for additional discounts (learn more).

Techline Connect (formerly TIS2Web) is the internet-based subscription service for GM vehicle calibrations, Global Diagnostic System software, and scan tool hardware updates. This single application covers all technical problems accurately and efficiently by integrating Service Information, programming, and scan tool diagnostics into a one-stop shop.

BENEFITS:

  • Helps improve profits by bringing diagnostics and repairs in-house
  • Saves time by helping to diagnose GM vehicles quickly and accurately
  • Quickly looks up vehicle calibrations 
  • Provides access to trained experts for time-sensitive issues related to the operation of GM software
  • Offers multiple subscription options to better fit your service and diagnostics needs
  • Compatible with a variety of GM makes and models

Participants in my GM Partner Perks may be eligible for additional discounts (learn more).

SUBSCRIBE SUBSCRIBE hover
SUBSCRIBE

Si (Service Information)

Keep your shop informed and up to date with the most current and accurate repair data. Service Information, or Si, is a comprehensive collection of vehicle diagnostic and service repair manuals for GM vehicles—so your shop has everything you need to perform safe, proper repairs.

BENEFITS:

  • Provides the most accurate and current repair information, to GM Original Equipment quality standards
  • Delivers collision repair procedures, frame-sectioning information, panel-replacement procedures, and recall information
  • Empowers your shop with service repair information to repair GM vehicles quickly and accurately
  • Speeds up service repairs and controls costs by helping you complete jobs correctly the first time
  • Features an expansive library of information that covers vehicle manuals, specifications, service bulletins, VIN tags, and more

SUBSCRIPTION INCLUDES:

  • GM Vehicle Diagnostic Service (1998-present)
  • Collision Repair Manuals (1998-present)
  • Frame sectioning information, panel replacement procedures, and recall information
  • Campaigns, service bulletins, and preliminary information for GM (1980-present)
  • GM Owner’s Manuals and glove box supplements (2003-present)
  • Easy-to-use keyword/document/number search

SUBSCRIPTION OPTIONS:

  • $20 for 3 days
  • $150 per month
  • $1,200 per year
  • $900–Perks+ and Pro Perks++ members are eligible for a discounted price of $900 per year (regularly $1,200)
  • CONNECTION users can receive Si at no charge by purchasing a minimum monthly target of ACDelco parts (learn more).

Participants in my GM Partner Perks and/or CONNECTION may be eligible for additional discounts (learn more).

SUBSCRIBE SUBSCRIBE hover
SUBSCRIBE

CONTACT INFORMATION:
800.825.5886 (prompt 3, then prompt 2, then prompt 1)
Mon.-Fri., 8 a.m.-8 p.m. Eastern time

Keep your shop informed and up to date with the most current and accurate repair data. Service Information, or Si, is a comprehensive collection of vehicle diagnostic and service repair manuals for GM vehicles—so your shop has everything you need to perform safe, proper repairs.

BENEFITS:

  • Provides the most accurate and current repair information, to GM Original Equipment quality standards
  • Delivers collision repair procedures, frame-sectioning information, panel-replacement procedures, and recall information
  • Empowers your shop with service repair information to repair GM vehicles quickly and accurately
  • Speeds up service repairs and controls costs by helping you complete jobs correctly the first time
  • Features an expansive library of information that covers vehicle manuals, specifications, service bulletins, VIN tags, and more

SUBSCRIPTION INCLUDES:

  • GM Vehicle Diagnostic Service (1998-present)
  • Collision Repair Manuals (1998-present)
  • Frame sectioning information, panel replacement procedures, and recall information
  • Campaigns, service bulletins, and preliminary information for GM (1980-present)
  • GM Owner’s Manuals and glove box supplements (2003-present)
  • Easy-to-use keyword/document/number search

SUBSCRIPTION OPTIONS:

  • $20 for 3 days
  • $150 per month
  • $1,200 per year
  • $900–Perks+ and Pro Perks++ members are eligible for a discounted price of $900 per year (regularly $1,200)
  • CONNECTION users can receive Si at no charge by purchasing a minimum monthly target of ACDelco parts (learn more).

Participants in my GM Partner Perks and/or CONNECTION may be eligible for additional discounts (learn more).

SUBSCRIBE SUBSCRIBE hover
SUBSCRIBE

CONTACT INFORMATION:
800.825.5886 (prompt 3, then prompt 2, then prompt 1)
Mon.-Fri., 8 a.m.-8 p.m. Eastern time

DIAGNOSTIC RESOURCES

DIAGNOSTIC RESOURCES

In order to take advantage of everything our programs have to offer, you’ll also need some of our state-of-the-art diagnostic equipment. These tools work together with all of the resources provided by your programs, so you can have the complete package for vehicle repairs. To help you break it down, we’ve detailed the features of each tool below.

MDI2 (Multiple Diagnostic Interface 2)

MDI2 is a GM Global Diagnostic Interface tool for both current and future GM vehicles that allows Techline Connect to communicate with a GM vehicle. This tool is required to diagnose some newer GM vehicles (starting with model year 2021). 2010 and newer GM vehicles require GDS2 software running on a local computer, while MDI2 is connected to the vehicle. A Techline Connect subscription is necessary to run this tool.

MDI2 Features Include:

  • Wireless connection
  • High-speed USB 2.0 connection
  • Operation during engine crank
  • Extended temperature range
  • Enclosure design
  • Vehicle communication protocol coverage
  • DCL cable
  • New hardware expansion capabilities

GDS2 (Global Diagnostic System 2) & Tech2Win

This is the GM diagnostic scan tool required to use MDI2. It allows technicians to scan the vehicle for data and trouble codes. GDS2 is supported on 2014 models and newer—support on earlier model year vehicles varies between Tech2Win and GDS2 software (learn more here).

SPS (Service Programming System)

SPS is the software application that communicates with the vehicle through MDI2 to update and/or program control modules within the vehicle.

DIAGNOSTIC RESOURCES

In order to take advantage of everything our programs have to offer, you’ll also need some of our state-of-the-art diagnostic equipment. These tools work together with all of the resources provided by your programs, so you can have the complete package for vehicle repairs. To help you break it down, we’ve detailed the features of each tool below.

MDI2 (Multiple Diagnostic Interface 2)

MDI2 is a GM Global Diagnostic Interface tool for both current and future GM vehicles that allows Techline Connect to communicate with a GM vehicle. This tool is required to diagnose some newer GM vehicles (starting with model year 2021). 2010 and newer GM vehicles require GDS2 software running on a local computer, while MDI2 is connected to the vehicle. A Techline Connect subscription is necessary to run this tool.

MDI2 Features Include:

  • Wireless connection
  • High-speed USB 2.0 connection
  • Operation during engine crank
  • Extended temperature range
  • Enclosure design
  • Vehicle communication protocol coverage
  • DCL cable
  • New hardware expansion capabilities
DOWNLOAD MDI2 INFO SHEET DOWNLOAD MDI2 INFO SHEET hover
DOWNLOAD MDI2 INFO SHEET

GDS2 (Global Diagnostic System 2) & Tech2Win

This is the GM diagnostic scan tool required to use MDI2. It allows technicians to scan the vehicle for data and trouble codes. GDS2 is supported on 2014 models and newer—support on earlier model year vehicles varies between Tech2Win and GDS2 software (learn more here).

SUBSCRIBE SUBSCRIBE hover
SUBSCRIBE

SPS (Service Programming System)

SPS is the software application that communicates with the vehicle through MDI2 to update and/or program control modules within the vehicle.

VIEW SPS VIEW SPS hover
VIEW SPS
ADDITIONAL BENEFITS

ADDITIONAL BENEFITS

 In addition to great offers on parts, my GM Partner Perks members and eligible CONNECTION users have the opportunity for discounts on resources and subscriptions.

MY GM PARTNER PERKS BENEFITS

My GM Partner Perks is the parts loyalty program specifically designed with your business in mind. Whether you're an Independent Service Center, Independent Body Shop, or Fleet, being a member will yield perks customized for your business. Eligible members receive discounts on Si and Techline Connect subscriptions.

CONNECTION BENEFITS

The CONNECTION application shows real-time pricing and product availability from your ACDelco parts supplier, so you can locate and purchase parts quickly and easily. With multiple search options, this ACDelco parts and accessories catalog provides time-saving features that can help you get the job done quickly and accurately the first time. CONNECTION users can receive Si at no charge by purchasing a minimum monthly target of ACDelco parts.


ACDELCO TECHNICAL TRAINING

Jump-start your career by training with the best. ACDelco combines a variety of proven methods to provide service professionals with the finest learning resources.

GET TRAINING GET TRAINING hover
GET TRAINING

ADDITIONAL BENEFITS

 In addition to great offers on parts, my GM Partner Perks members and eligible CONNECTION users have the opportunity for discounts on resources and subscriptions.

MY GM PARTNER PERKS BENEFITS

My GM Partner Perks is the parts loyalty program specifically designed with your business in mind. Whether you're an Independent Service Center, Independent Body Shop, or Fleet, being a member will yield perks customized for your business. Eligible members receive discounts on Si and Techline Connect subscriptions.

INDEPENDENT SERVICE CENTER INDEPENDENT SERVICE CENTER hover
INDEPENDENT SERVICE CENTER
INDEPENDENT BODY SHOP INDEPENDENT BODY SHOP hover
INDEPENDENT BODY SHOP
FLEET FLEET hover
FLEET

CONNECTION BENEFITS

The CONNECTION application shows real-time pricing and product availability from your ACDelco parts supplier, so you can locate and purchase parts quickly and easily. With multiple search options, this ACDelco parts and accessories catalog provides time-saving features that can help you get the job done quickly and accurately the first time. CONNECTION users can receive Si at no charge by purchasing a minimum monthly target of ACDelco parts.

CONNECTION OFFER CONNECTION OFFER  hover
CONNECTION OFFER 
ALL OFFERS ALL OFFERS hover
ALL OFFERS

ACDELCO TECHNICAL TRAINING

Jump-start your career by training with the best. ACDelco combines a variety of proven methods to provide service professionals with the finest learning resources.

GET TRAINING GET TRAINING hover
GET TRAINING
  • Si program discount is not available to subscribers in Massachusetts

  • Si discounts and promotions are not available to subscribers in Massachusetts.

  • Mail-in rebate available to retail customers with a U.S. mailing address only. Limit two per household. Allow 6 to 8 weeks for delivery of Visa® Prepaid Card. See acdelco.com or gmpartsrebates.com for details and rebate form, which must be postmarked or submitted online by 1/31/22. Offer ends 12/31/21.

  • Mail-in rebate available only to Independent Service Centers, Body Shops, or Commercial Fleets with a U.S. mailing address. Limit 15 rebates per part. Not available with some other offers. Government and municipal fleets are excluded. Allow 6 to 8 weeks from promotion end date for delivery of Visa® Prepaid Card. Visa Prepaid Card will be issued in the business name. My GM Partner Perks members that have accepted the terms and conditions receive streamlined, automatic rebate redemptions. Visit your my GM Partner Perks dashboard or see gmpartsrebates.com for complete details, eligible parts, and rebate form, which must be postmarked or submitted online by 1/15/22. Offers end 12/31/21.