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.
In certain 2019 Corvettes equipped with a 6.2L supercharged engine, a fuel injector may be commanded on for 7.5 seconds when exiting deceleration fuel cutoff, causing the engine to misfire.
Certain 2019 Chevy Blazer vehicles may not have the snow/ice mode calibration which results in the selection of snow/ice mode (knob selector) not having a change in the accelerator pedal response.
This bulletin applies to 2016-2018 Chevy Corvettes equipped with a 6.2L LT1/LT4 engine. The vehicle may have a concern with coolant loss and/or coolant odor. If the coolant is low, pressure test the cooling system to check for leaks at the outer cylinder head bolts.
Some owners of a 2014-2019 Chevy Corvette equipped with an automatic transmission may comment about a rattle noise at the front of the vehicle when the engine is running at slower engine speeds. This condition may be caused by a deformed propshaft coupler, which may move the driveline support assembly’s front input shaft bearing out of position.
This bulletin applies to 2009-2017 Chevy Equinox, Impala, Malibu and Traverse vehicles equipped with an automatic transmission. The MIL may be on and DTC P182E may be set as active or history in the transmission control module. The customer may also note that there is no PRNDL display.
Certain 2019 Chevy Blazer vehicles may not have the snow/ice mode calibration, which results in the selection of snow/ice mode (knob selector) not having a change in the accelerator pedal response. GM recommends reprogramming the ECM to the latest software release.
This bulletin applies to 2014-2018 Chevy Silverado vehicles equipped with a 4.3L, 5.3L or 6.2L engine. The customer may comment on an SES light on. The technician may find DTC P0300 set and/or a rough running engine concern.
Unicell Body Co. Inc. is recalling certain 2017-2019 Ford Econoline, GMC Savana, Chevy Express, RAM Promaster and Isuzu NPR vehicles equipped with ASA Electronics Voyager monitors used to display the back-up camera image.
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