Archive for May, 2018

A new software update is now available for the 2018 CT6 equipped with Super Cruise (RPO UKL). The update includes new instrument cluster messaging (Fig. 1) that explains why Super […]

Beginning with the 2018 model year, a QR code was added to the Certification label (Fig. 3) on all Buick, Cadillac, Chevrolet and GMC models. The new QR code includes […]

Some 2017-2018 Silverado, Tahoe, Suburban, Sierra, Yukon models and Escalade models may have a low refrigerant charge or a refrigerant leak. As a result, the air conditioning system will be […]

The following conditions at low speeds may be found on some 2015-2016 Colorado and Canyon models equipped with the 3.6L V6 engine (RPO LFX): Chugging and/or lack of power when […]

Some 2016-2017 Envision models may have warm air blowing through the rear HVAC vents when the air conditioning is commanded on. If this condition is found, the auxiliary temperature valve […]

After replacement or programming the amplifier on some 2015-2017 Silverado, Tahoe, Suburban, Sierra, Yukon, Escalade and 2014 Silverado 1500 and Sierra 1500 models equipped with infotainment system RPO IO5, IO6 […]

A side-by-side view of the speed limit icon and digital speedometer may not be available on the Driver Information Center on 2017 Colorado and Canyon models equipped with the RPO […]

Customers who have upgraded to a new smartphone may no longer be able to wirelessly charge their device in some 2015-2016 ELR; 2015-2017, Volt, Tahoe, Suburban, Yukon, Escalade; 2015-2018 Colorado, […]

The latest GM Dealer Infrastructure Guidelines are now available on the GM Dealer Equipment website at www.gmdesolutions.com. Select the Dealer Services tab and then the links to Techline IT Solutions […]

Do not use the GE-52098 Coolant System Pressure Test Adapter when servicing the cooling system on 2017-2018 Silverado and Sierra models equipped with the 6.6L Duramax diesel engine (RPO L5P). […]

10218.05V – Emerging Issues May 10, 2018 The latest service topics from GM Brand Quality and Engineering are covered, including replacement of the Corvette convertible top cover (Fig. 11) and […]