Diagnostic Tips

Navigation Loading Message And Navigation Won’t Start or Slow to Start When Ignition Is First Turned On – 2018-2020 Buick Cadillac GMC Holden

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2020 Buick Regal

NHTSA ID Number: 10201276 Manufacturer Communication Number: PIC6418B   Summary This Preliminary information communicates steps to perform to determine if the concern relates to a Navigation loading concern that is under engineering investigation.     Condition When the vehicle is first started, or when Navigation is first launched, the radio may display Navigation Loading, may show a … Read more

8 Speed MQE P0796 – 2020 Chevrolet Silverado & GMC Sierra 1500

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2020 Chevrolet Silverado 1500

NHTSA ID Number: 10185739 Manufacturer Communication Number: PIP5771   Summary This Preliminary information communicates to the dealer technician to replace the valve body on the 8L90 transmission setting DTC P0796 if no debris is found in the transmission fluid pan. If debris is found in the transmission fluid pan the technician is advised to repair the transmission … Read more

10L1000 Transmission Control Module TCM Calibration Update to Address Various Transmission Concerns and Improve Transmission Performance – 2020 Chevrolet Silverado & GMC Sierra 2500/3500

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2020 Chevrolet Silverado

NHTSA ID Number: 10185740 Manufacturer Communication Number: PIP5770   Summary This Preliminary information communicates to the dealer technician to reprogram the transmission control module after any 10L1000 transmission repair.   2 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2500 2020 GMC SIERRA 2500 2020     SEOCONTENT-START Bulletin No.: PIP5770 Published date: 12/16/2020 Preliminary Information PIP5770 … Read more

Front Floor Console Cooler Inoperative With DTC U1144 – 2021 Cadillac Chevrolet GMC

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2021 Chevrolet Suburban

NHTSA ID Number: 10201287 Manufacturer Communication Number: PIT5802B   Summary This Preliminary information communicates an issue with the floor center console cooler being inoperative and engineering working on a root cause.     4 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE ESV 2021 CHEVROLET SUBURBAN 2021 CHEVROLET TAHOE 2021 GMC YUKON XL 2021   Condition Condition … Read more

Reduced Engine Power and DTC P200C Set – 2021 Cadillac XT4

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2021 Cadillac XT4

NHTSA ID Number: 10185742 Manufacturer Communication Number: PIP5772   Summary This Preliminary information communicates to the technicians to replace the CAC outlet hose if damaged.   2 Affected Products Vehicle MAKE MODEL YEAR CADILLAC XT4 2020-2021       Parts Information Description Part Number Quantity HOSE ASM-CHRG AIR CLR INL AIR 55514756 1   SEOCONTENT-START Bulletin No.: … Read more