A factory provided rearview camera kit is available on 2013-2021 Express and Savana cutaway models as well as 2019-2021 Silverado 1500, Sierra 1500, 2020-2021 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD models. […]
Components most likely to cause a parasitic draw on the 12V battery on GM models include switches, relays, LIN buses and control modules. A new voltage drop test in Service […]
The 2021 Escalade features industry-first AKG audio technology with an available 36-speaker AKG Studio Reference system that produces professional studio sound. AKG is known worldwide for microphones and headphones used […]
The air conditioning may not be getting cold enough or is blowing warm air on some 2018-2020 Malibu and 2019-2020 XT4 models. The A/C compressor on these models may have […]
If the trailer lighting on customers’ trailers connected to some 2019-2020 Silverado and Sierra models does not operate as expected, such as inoperative lighting, improper trailer detection, or intermittently flashing […]
As the weather turns colder in parts of the country, wreaking havoc on roads, chances for tire damage or irregular tire wear to occur become more prevalent. New GM vehicles […]
Dealership personnel looking for the Pre-Delivery Inspection (PDI) forms (Fig. 21) for current GM vehicles will find them through the PDI Forms app on GM GlobalConnect. PDI forms can no […]
Before calling the GM Technical Assistance Center (TAC) for any Bluetooth or phone projection (Apple CarPlay and Android Auto) concerns (Fig. 24), TAC has released a template to follow when […]
我的的thly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM certified repairs. The latest service topics from GM Brand Quality and Engineering covered in […]
Completely redesigned with advanced technology and iconic style, the all-new 2021 Escalade is now arriving at Cadillac dealerships. (Fig. 1) With innovative features like a curved Organic Light Emitting Diode […]
It’s been called a game changer in automotive interior design and technology. The industry’s first-ever curved Organic Light Emitting Diode (OLED) instrument display in the 2021 Escalade revolutionizes the way […]
The latest update to the Techline Connect software that was recently released includes changes designed to enhance the efficiency and productivity of the application. (Fig. 21) Fig. 21 […]
The Mark of Excellence program (U.S.) (Fig. 23) recognizes the achievements, professionalism, and commitment of many members of the GM dealership community. For 2021, service technicians enrolled in the program […]
When 2018-2021 GM models equipped with an Infotainment 3 System (RPO IOR, IOS, IOT, IOU, IOV) (Fig. 26) come into the dealership with various system concerns – the radio display […]
A number of fuel-related DTCs may be set on some 2017-2018 Silverado, Sierra; 2019-2021 Silverado 2500HD/3500HD, Sierra 2500HD/3500HD, and Silverado 4500HD/5500HD/6500HD models equipped with the 6.6L Duramax diesel engine (RPO […]
Some 2021 Tahoe, Suburban, Yukon and Escalade models may have a Service Theft Deterrent message on the instrument cluster and several DTCs set, including: B113C (Security Indicator Control), B13AC (Lane […]
The EL-52545 TPMS and RF tool offers the ability to quickly identify a key fob (Fig. 1), making it easy to match the fob with a vehicle in the dealership’s […]
Service Front Suspension Lift System Message
Torque Converter Clutch Shudder under Light Throttle Acceleration
Latest EL-50332 EV Battery Service and Depowering Tool Software Released
Poor Heater Performance
Corroded ECM Connector Terminals
Changes to the AFM and DFM Feature on 2021 Silverado 1500 and Sierra 1500
GM Service Know-How Emerging Issues
9T65 Transmission Replacement Pilot Program Update
Whining/Groaning Sounds Due to Front Intermediate Shaft Fretting
Latest Diagnostic Charge Battery Station Software Update Released
EVAP Testing Port Modification
No Transmission Movement After Valve Body Replacement
Head-Up Display Image Not LevelCorvette Track Prep Requirements
GM Laptop Promotion
TechPRO Professional
Aftermarket Diagnostics
Tips for Warranty Reprogramming Events
Techline Connect Setup
for Updates
通用电气- 52250Smoke Diagnostic Leak Detector is a GM Essential Tool that can be used to help find induction and exhaust system leaks on 2010-2020 GM models equipped with a […]
The GMC Yukon/XL with the available Rear Seat Media system features the ability to connect an Apple iPhone. Once connected, media on the iPhone can be played...
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