P0604

Information on Malfunction Indicator Lamp (MIL) Illuminated – Multiple DTCs Set – 2020-2021 Buick & Chevrolet

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2021 Chevrolet Trailblazer

NHTSA ID Number: 10178275 Manufacturer Communication Number: 20NA120   Summary This informational bulletin explains how to check if the pulley and/or drive chain has any damage caused by low fluid or a code set that causes the transmission to default maxing out pressure.   4 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE 2020 CHEVROLET MALIBU 2019-2020 … Read more

P0604 Stored in the Hybrid Powertrain Control Module – 2011-2015 Chevrolet Volt, Opel Ampera & Vauxhall Ampera, & 2014-2016 Cadillac ELR

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2015 Chevrolet Volt

NHTSA ID Number: 10162134 Manufacturer Communication Number: PIP5463A Summary This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on and may have a loss of propulsion. Technician may find Diagnostic Trouble Code P0604 set in the Hybrid Powertrain Control Module Technician will need to replace the (T6) Power Inverter … Read more