GM’s global repair strategy for large wiring harnesses (body, engine, instrument panel, forward lamp, headliner/roof harness, and truck chassis) is to repair/replace the components (cables, terminals, connectors, etc.) instead of […]
An illuminated Check Engine MIL and DTC P3075 (Engine Coolant Flow Too Low) may be set in the Engine Control Module (ECM) on some 2019-2022 XT4, Blazer, Silverado 1500, Sierra […]
Some 2019-2020 Encore and Trax models may have several features operating improperly, including an unwanted windshield wiper swipe upon starting the vehicle, the front wipers may not park and the […]
The new Infotainment 3 Premium system (RPO IOK) available on the 2022 Tahoe, Suburban and Yukon features Google built-in compatibility. (Fig. 14) Google built-in offers access to some popular Google […]
The exhaust brake may not seem to work properly on some 2020 Silverado and Sierra models equipped with the 6.6L Duramax diesel engine (RPO L5P). No DTCs will be set. […]
Some 2020-2022 Silverado 2500/3500 and Sierra 2500/3500 trucks equipped with the 6.6L Duramax diesel engine (RPO L5P) may have a coolant leak under the vehicle. The Check Engine MIL may […]
The Mark of Excellence program (U.S.) recognizes the achievements, professionalism, and commitment of many members of the GM dealership community. For 2022, service technicians enrolled in the program can earn […]
The optional SiriusXM with 360L service on some 2021 and later GM models equipped with an Infotainment 3.X system (RPO IOS, IOT, IOU, IOV) features over 200 internet channels (IP […]
dexos™1 Gen 3 is the latest generation of GM-certified engine oil. The recently introduced engine oil specification addresses the challenge of meeting the needs of new engine hardware — in […]
Some 2021 Tahoe, Suburban, Yukon and Escalade models equipped with the Reverse Automatic Braking system (RPO UVZ) may have a Service Driver Assist message displayed on the Driver Information Center […]
Some 2019-2022 Encore GX and Trailblazer models equipped with the 1.2L engine (RPO LIH) may have an illuminated Check Engine MIL with DTC P0299 (Engine Underboost) set. These conditions may […]
Some 2016-2020 Express and Savana models equipped with the 6.0L V8 engine (RPO L96, LC8) may have a lack of power or poor performance when driving up grades or after […]
Vehicle speed may be limited to 70 mph (112 km/h) on some 2015-2021 Colorado and Canyon models equipped with the 2.5L engine (RPO LCV)) that are fleet vehicles. Some vehicles […]
2021-2022 CT4, CT5, Escalade, Tahoe, Suburban and Yukon models equipped with the 10L60 10-speed automatic transmission (RPO MQA) or 10L80 10-speed automatic transmission (RPO MHS, MQC) feature an internal Electronic […]
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Safety Arc-Rated (AR) Personal Protection Equipment (PPE) is recommended to be used by technicians when servicing some high-voltage battery packs under certain scenarios on GM electric vehicles. The PPE that […]
The latest update to the MDI 2 Manager in Techline Connect (version 9.1.2752.177) includes support for new MDI 2 wireless dongles. The new wireless dongles are similar to the previously […]
Take a detailed look at a wide range of innovative features and advanced systems found on GM vehicles to gain a better understanding of proper operation. Each short video reviews how a feature works, highlights operating tips and shows ways to customize settings, if applicable.
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