Low Battery Charge

TCCM Drivability DTCs and Possible Low Battery Charge – 2019-2023 Chevrolet Silverado 4500 HD, 5500HD, 6500HD

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2023 Chevrolet Silverado 6500HD

NHTSA ID Number: 10224305 Manufacturer Communication Number: PIP5853B Summary This PI communicates to dealers and technicians a possible diode issue in the TCCM, and how to properly diagnose for a diode issue.   Condition The vehicle may have a concern with the TCCM. causing DTC to set (see below) and possible a discharged battery. DTCs setting in … Read more

Low Battery Charge After Vehicle Sits for Short Period of Time – 2021 Chevrolet Express & GMC Savana

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2021 Chevrolet Express

NHTSA ID Number: 10187420 Manufacturer Communication Number: 20NA225   Summary This technical bulletin provides a procedure to remove the tabs from the pre and post battery positive cables so they don’t contact the Mega fuses mounting studs that are grounded out.   2 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET EXPRESS 2021 GMC SAVANA 2021     … Read more