Archive for September, 2019

Techline Connect — GM’s latest tool that brings together diagnostic information and vehicle data in one easy-to-use application — is currently being rolled out by state to GM dealerships (U.S.). […]

Some 2018-2019 Enclave and Traverse models may have DTC U1345 (Engine Control Module LIN Bus 1) set along with an illuminated Check Engine lamp. If these conditions are found, there […]

A slight rattle sound may be heard near the B-pillar on the driver’s or passenger’s side of some 2019-2020 XT4 models. The sound may be due to a design variance […]

A “Climate Off” pop-up message may display on the infotainment screen even though the HVAC system is fully functional on some 2019 CT6, XT4, Blazer, Camaro, Colorado, Equinox, Malibu, Silverado […]

There may be several engine performance conditions on some 2019 Silverado 1500 and Sierra 1500 models equipped with the 2.7L 4-cylinder engine (RPO L3B), including no start, no crank, engine […]

Several exhaust leak conditions, including a rattle or exhaust noise, or catalytic converter failure on Bank 1 may occur on some 2018-2019 Enclave and Traverse models equipped with the 3.6L […]

If fuel injector driver DTCs are found on some 2019 Silverado 4500 MD, 5500 MD, 6500 MD models equipped with the 6.6L Duramax diesel engine (RPO L5D), it may be […]

Some 2013-2019 ATS, Impala, Malibu; 2014-2019 Regal, CTS; 2015-2019 Envision, LaCrosse, Colorado, Acadia, Canyon; 2016-2019 CT6, Camaro; 2017-2019 Traverse, Terrain; 2019 Blazer and Equinox models equipped with the 2.0L 4-cylinder […]

The all-new Duramax® Diesel 3.0L inline 6-cylinder turbocharged engine (RPO LM2) delivers plenty of power — producing 282 horsepower and 450 lb.-ft. of torque — along with impressive fuel economy […]

The diesel exhaust brake available on 2020 Silverado and Sierra light-duty and HD models equipped with the 3.0L Duramax diesel engine (RPO LM2) or 6.6L Duramax diesel engine (RPO L5P) […]

A new LT1 V8 performance model (RPO 1LZ) leads the changes for the 2020 Camaro lineup along with a new available 10-speed automatic transmission on V6 models. Here’s a look […]

Some 2019 Enclave and Traverse models may have an illuminated Check Engine MIL along with an engine ticking noise, coolant loss or very dark colored oil in 3.6L V6 engines […]

There may be no or low oil pressure along with DTC P06DD (Engine Oil Pressure Control Solenoid Valve Performance) set on some 2014-2019 Silverado LD, Sierra LD; 2015-2019 Escalade, Tahoe, […]

Some 2016-2019 Volt models may experience a no start condition, multiple Driver Information Center (DIC) messages, and/or a loss of low speed Local Area Network (LAN) communication. If any of […]

Some 2019 Malibu models equipped with the VT40 CVT automatic transmission (RPO MRG) may have an illuminated Check Engine lamp and the Automatic Engine Stop/Start system is not working. DTC […]

An updated Engine Oil Capacities chart for the 2019-2020 model years is now available under the Reference Chart menu. The chart includes engine, RPO, specifications (liters and quarts) and oil […]

The monthly 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 […]