Displaying 1 - 10 of 188

TOPIC : Chevy

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Leaky Vette

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.

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Vette Rattle

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.

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Internal Mode Switch Glitch

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.

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Snow/Ice Mode Program

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.

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Silverado Secret

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.

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Reverse Image Recall

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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Corvette Cough

This bulletin applies to 2016-2019 Chevy Corvette models equipped with LT1 or LT4 engines. If the SES lamp is on and the engine experiences misfires, and DTC P0300, P0308 or any cylinder numbers in-between are set, inspect for a possible loose spark plug wire at the ignition coil.

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Chevy Recall

General Motors has recalled certain 2018 Chevrolet Equinox vehicles. The high pressure fuel pump may detach from its mounting flange, possibly resulting in the pump damaging the high pressure fuel line, with the possibility of a fire.

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Rear Diff Flash

Some owners of 2014-2018 Corvettes may comment about a Service Rear Differential message displayed on the DIC (driver information center).

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Chevy U Codes

This bulletin applies to all Chevrolet vehicles model years 2013-2018. When diagnosing multiple DTCs, one may be 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.

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