Diagnostic Tips

Circular Image Distortion on Any of the Screens Including the Buick Tri-Shield Start Up Screen – 2018-2019 Buick LaCrosse & Enclave

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2019 BuickLa Crosse

NHTSA ID Number: 10161940 Manufacturer Communication Number: 18NA221 Summary This technical bulletin provides a procedure to program the radio to correct a condition of Circular Image Distortion in circle icons and Buick Tri-Shield Start-up Screen.     3 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCLAVE 2018 BUICK LACROSSE 2018-2019     SEOCONTENT-START Bulletin No.: 18-NA-221 Date: … Read more

Ticking, Tap or Rattle Noise from Engine with Possible Misfire, Malfunction Indicator Lamp (MIL) Illuminated – DTCs P0300, P0301-P0306 and/or P0016-P0019 Set – 2016-2022 Buick Cadillac Chevrolet GMC Holden

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2019 Chevrolet Colorado

NHTSA ID Number: 10205594 Manufacturer Communication Number: 21NA278   Summary This service bulletin provides diagnostic strategy information to aid in diagnosing a Ticking, Tap or Rattle Noise from Engine with Possible Misfire, Malfunction Indicator Lamp (MIL) Illuminated.     57 Affected Products Vehicles MAKE MODEL YEAR BUICK LACROSSE 2017-2019 BUICK REGAL 2018-2020 CADILLAC ATS 2016-2019 CADILLAC CT5 … Read more

Service Emission System Warning on the Driver Information Center (DIC), Malfunction Indicator Lamp (MIL) Illuminated – DTC P206C Set – 2019 Chevrolet Colorado & GMC Canyon

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2019 Chevrolet Colorado

NHTSA ID Number: 10161892 Manufacturer Communication Number: 19NA061 Summary This technical bulletin provides a procedure to replace the Emission Reduction Fluid Controller if found the cause of the customers concern.   2 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET COLORADO 2019 GMC CANYON 2019   Parts CONTROLLER, EMIS RDCN FLUID 84677315 1     SEOCONTENT-START Bulletin No.: … Read more

Check Engine Light On with Leaks in the Charge Air Cooler System – 2017-2019 Chevrolet Silverado & GMC Sierra

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2019 Chevrolet Silverado

NHTSA ID Number: 10144452 Manufacturer Communication Number: PIP5468F Summary This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Codes P0101, P0299, P0712, P11CC, P11DC, P2002, P2463, P2627, P2A00, P2459, P22B6, P200C, P200E, P0263, P0266, P0269, P0272, P0275, P0278, P0281 and/or P0284. Technician will … Read more

Passive Door Unlocking Inoperative and/or Enabling and Disabling of Passive Unlocking – 2019-2021 Buick Cadillac Chevrolet GMC

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2019 Chevrolet Silverado 1500

NHTSA ID Number: 10199234 Manufacturer Communication Number: 18NA279   Summary This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.     80 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCLAVE 2019-2021 BUICK ENCORE 2019-2021 BUICK ENCORE GX 2020-2021 BUICK ENVISION 2019-2021 BUICK LACROSSE 2019 CADILLAC CT4 2020-2021 CADILLAC CT5 2020-2021 … Read more