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Chevy Colorado

This bulletin applies to 2018 GMC Canyon trucks equipped with a 2.5L engine and Terrain vehicles equipped with a 2.0L or 1.5L engine. On some vehicles, an electrical connection in the circuit board may fail in the engine control module.

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Cold Colorado

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.

Chasing the Noise

Owners of 2017-2019 GM vehicles, such as GMC Canyon and Acadia vehicles equipped with a 3.6L engine, may complain about a rattle, tick or knock type noise.

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.

Filter Fail

This bulletin applies to 2017-2019 Chevy Colorado and GMC Canyon trucks equipped with a 3.6L engine. Some customers may comment of engine noise or engine failure shortly after an engine oil change and a MIL on.

GM Recall

General Motors announced a recall of certain 2018 GMC Terrain, Acadia and Canyon vehicles built during March 2018.

Dirty Diesel Deeds

Chevy and GMC vehicles equipped with LGH, LML, LUZ, LWN, L5P and LH7 diesel engines may exhibit excessive smoke at the tailpipe, with DTC P2002 set. This may be the result of a cracked or broken diesel particulate filter (DPF).

Chevy 4WD

Some owners of 2004-2012 Chevy Colorado 4WD trucks may comment on a “Service 4 Wheel Drive” message displayed in the DIC (driver’s information center). Technicians may find DTC C0327 stored in current or history in the TCCM.

One Spring Too Many

This bulletin applies to 2007-2012 Chevy Colorado 4WD vehicles equipped with 4L60E/4L65E/4L70E automatic transmissions. The concern may involve a hard or harsh 1-2 shift after transmission service.

GM O-ring Woes

Some owners of select GM vehicles may comment on a low brake pedal during braking. See the application list at the end of this bulletin.