2019

Higher Than Expected Oil Consumption – 2017-2023 Chevrolet Silverado & GMC Sierra

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2020 Chevrolet Silverado

NHTSA ID Number: 10222652 Manufacturer Communication Number: 16-NA-376 Summary This informational bulletin provides information on higher than expected oil consumption.   Information on Engine Oil Consumption Guidelines for the 6.6L Duramax Diesel Engine All engines require oil to lubricate and protect the load bearing and internal moving parts from wear including cylinder walls, pistons and piston rings. … Read more

N192263740 Loose Fuse Box Bolt – US Only – 2018-2019 Chevrolet Low Cab Forward 3500/4500/6500XD MD

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Chevrolet 6500XD

NHTSA ID Number: 10163876 Manufacturer Communication Number: N192263740 Summary N192263740 – Customer Satisfaction Program. Certain vehicles, may have a loose fuse box power supply bolt due to insufficient torque which could disrupt electrical power to the vehicle. Dealers are to inspect the fuse box bolt to determine if the bolt is loose and if necessary, trim the … Read more

N192220480 Owner’s Manual Modification – 2019 Chevrolet Silverado 4500/5500/6500 HD

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2019 Chevrolet Silverado 4500-6500

NHTSA ID Number: 10163877 Manufacturer Communication Number: N192220480 Summary N192220480 – Customer Satisfaction Program – Certain 2019 model year Chevrolet Silverado 4500/5500/6500 HD vehicles may have an owner’s manual with incorrect part numbers or descriptions in the following sections: Air Suspension; Rear Air Suspension; Hydraulic Power Steering System and Maintenance Replacement Parts. Customers will receive an Owner’s … Read more

N192211740 Super Cruise Software Update – 2018-2019 Cadillac CT6

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2019 Cadillac CT6

NHTSA ID Number: 10163878 Manufacturer Communication Number: N192211740 02 Summary Customer Satisfaction Program (revised service procedure and warranty information). General Motors is expanding the mileage of Super Cruise enabled roads to include over 70,000 additional miles (112,000 additional km) by the end of 2019, bringing the total number of Super Cruise enabled roads to over 200,000 miles … Read more

Information on Poor DEF Quality Message Displayed on Driver Information Center (DIC) and/or Malfunction Indicator Lamp (MIL) Illuminated – DTCs P249D, P249E – 2016-2021 Chevrolet Colorado & GMC Canyon

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2020 Chevrolet Colorado

NHTSA ID Number: 10183136 Manufacturer Communication Number: 17NA134   Summary This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2.   SEOCONTENT-START Service Bulletin Bulletin No.: 17-NA-134 Date: October, 2020 INFORMATION Subject: Information on Poor DEF Quality Message Displayed on Driver Information Center (DIC) and/or Malfunction Indicator Lamp (MIL) Illuminated – DTCs … Read more