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Cadillac CT6

This bulletin applies to 2014-2019 Cadillac ATS, CTS and XTS, and 2016-2019 CT6 vehicles. Some customers may comment that the engine stops running after extended idle with the shifter in the Park position.

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Bad Box

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.

Module Damage Caution

The bulletin discusses module damage from incorrect AFIT usage on GM vehicles equipped with direct fuel injection.

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.

ECM Glitch

This bulletin applies to 2018 Cadillac ATS, CT6 and CTS models equipped with a 2.0L engine. On some vehicles, an electrical connection in the circuit board may fail in the engine control module (ECM). If this occurs, the MIL/Check Engine light may illuminate.

Bad Balancer? Seriously?

This bulletin involves 2015-2017 Cadillac ATS, SRX, CTS, CT6 and XTS vehicles. A snapping or ticking noise at the harmonic balancer may be heard, or sparks may be observed at the balancer.

Chevy Oil Leak Fix

This bulletin applies to 2013 – 2019 Chevy Malibu vehicles equipped with a 2.5L or 2.0L engine. The same engines are available in a number of GM vehicles including Buick Envision and Regal, Cadillac CTS, ATS and CT6, Chevy Camaro, Equinox, Impala and Traverse and GMC Acadia, Canyon and Terrain.