Certain 2019 Chevy Corvette vehicles equipped with the LT5 6.2L supercharged V8 engine may experience a fuel injector commanded on for 7.5 seconds when exiting deceleration fuel cutoff, causing the engine to misfire. This may result in excess fuel in the exhaust causing flames to exit the tailpipes, which may damage the rear fascia and the ZR1 badge.
This is simply an FYI regarding 2019 and later Chevy Impala vehicles built at the Oshawa assembly plant after Feb. 1, 2019, and the Detroit-Hamtramck plant after Feb. 2, 2019.
This bulletin applies to 2019 Chevy Colorado trucks equipped with a 2.8L turbo diesel engine. Some customers may comment that the MIL is illuminated. They may also note that a “Service Emission System” message is displayed in the driver information center.
This bulletin applies to 2009-2019 Chevy Suburban vehicles. A high-pitched whine or buzz noise may be heard with the key on and engine off, or for up to one minute after the engine has been shut off.
General Motors is recalling certain 2019 Corvette ZR1 models. Hard braking or acceleration may cause the sensing diagnostic module (SDM) to enter a fault state.
This bulletin applies to 2017-2019 Chevy Cruze, 2018-2019 Equinox and GMC Terrain vehicles, equipped with a 1.6L turbo diesel engine. You may encounter a concern where the engine cooling fan is running, making a ratcheting, squeak, chirp, moan, whine and/or buzz type noise heard shortly after the engine has been turned off.
This bulletin applies to all Chevy Impala vehicles built from 2013-2018, when diagnosing multiple DTCs, one of which includes U****Byte 71. Any control module may set a DTC for one of its inputs, and that data is shared across the communication bus for other modules to perform their respective functions.
GM is recalling certain 2015-2018 Chevy Trax vehicles built from July 2015 to June 2017. A joint in one or both of the front lower control arms may have been improperly welded.
This bulletin applies to 2018-2019 Chevy Corvette models that exhibit reduced engine power. One possible cause is a pinched wire harness.
Some owners of a 2016-2019 Chevy Camaro equipped with an LGX, LT1 or LT4 engine may comment on a check engine light or an exhaust noise. The technician may find DTC P12FD or P12F0 set. This concern may be caused by an exhaust actuator that was installed but the learn procedure was not completed.
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