2018

Side Object Detection System Unavailable Message at Startup – 2015-2019 Cadillac Chevrolet GMC

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2019 Chevrolet Suburban

NHTSA ID Number: 10163664 Manufacturer Communication Number: PIT5622A Summary This Preliminary information communicates instructions dealer to inspect for a broken or damaged side objector sensor/module bracket if there is a “Side Detection System Unavailable” message displayed at startup.   20 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2015-2019 CHEVROLET SUBURBAN 2015-2019 CHEVROLET TAHOE 2015-2019 GMC YUKON … Read more

Multiple U-code Diagnostic Information – With one having symptom Byte 71 – 2013-2019 Buick Cadillac Chevrolet GMC

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2019 Chevrolet Corvette ZR1

NHTSA ID Number: 10163665 Manufacturer Communication Number: PIT5569A Summary This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.   270 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2018 BUICK ENCLAVE 2013-2018 BUICK ENCORE 2013-2018 BUICK ENVISION 2016-2018 BUICK LACROSSE 2013-2018 BUICK REGAL 2013-2018 BUICK VERANO 2013-2017 … Read more

Information On AFM DFM Usage – 2014-2020 Cadillac Chevrolet GMC

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NHTSA ID Number: 10163690 Manufacturer Communication Number: PIP5663 Summary This Preliminary information communicates  AFM / DFM usage  Information. providing additional information on the AFM and DFM systems   50 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CTS 2017, 2019 CADILLAC CTS-V 2016, 2018 CADILLAC ESCALADE 2015-2019 CHEVROLET CAMARO 2016-2019 CHEVROLET CORVETTE 2014-2019 CHEVROLET SILVERADO 2017 CHEVROLET SILVERADO 1500 2014, … Read more

LIN Bus Diagnostic Information – 2014-2023 Buick Cadillac Chevrolet GMC

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Chevrolet Buick GMC Cadillac

NHTSA ID Number: 10224304 Manufacturer Communication Number: PIT5698C Summary This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.   Condition As more smart motors, switches, and sensors are being used there are more Local Interconnect Network (LIN) buses on vehicles. Because of this, some questions … Read more

Power Door Locks Cycle or Intermittently Inoperative – Loss of Data With Multiple U-Codes –Unwanted Seat or Memory Mirror Movement or Doesn’t Function –Intermittent No Crank/No Start or Reduced Power – 2017-2021 GMC Acadia & Cadillac XT5

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2019 GMC Acadia

NHTSA ID Number: 10185718 Manufacturer Communication Number: PIT5606J   Summary This Preliminary information communicates an Intermittent No Crank, No Start, or Reduced Power loss of data multiple U codes or Intermittent Power Door Locks inoperative, unwanted seat or mirror movement.  Inspect harness for chaffed by the I-shaft at the base of the steering column. If chaffed, repair damaged wires … Read more