U0101

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

Erratic Instrument Panel Cluster (IPC) and Gauge Readings, Malfunction Indicator Lamp (MIL) Illuminated – DTC U0073, U0100, U0101 and/or U0121 Set – 2015-2019 Chevrolet Trax

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2019 Chevrolet Trax

NHTSA ID Number: 10161924 Manufacturer Communication Number: 19NA113 Summary This technical bulletin provides a procedure to repair a possible short in the wiring harness where it enters through the bulkhead to correct Erratic IPC and Gauge Readings, an MIL and DTCs.   5 Affected Products Vehicle MAKE MODEL YEAR CHEVROLET TRAX 2015-2019     SEOCONTENT-START Bulletin No.: … Read more

IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall – 2017-2020 Cadillac Chevrolet & GMC

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2019 Chevrolet Silverado

NHTSA ID Number: 10187412 Manufacturer Communication Number: 20NA212   Summary This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.   39 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2017-2020 CADILLAC ESCALADE ESV 2017-2020 CHEVROLET SILVERADO 1500 2017-2019 CHEVROLET SILVERADO 2500 2017-2019 CHEVROLET SILVERADO … Read more

Diagnosing High Speed LAN Concerns – 2007-2014 Cadillac Chevrolet GMC Hummer

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2014 Cadillac Escalade

NHTSA ID Number: 10114600 Manufacturer Communication Number: PIT4667D Summary This Preliminary Information communication advises the technician of additional steps for diagnosing General Motors high speed local area network. This should only be used if normal service information doesn’t lead to a diagnosis this is not a replacement for normal service information.   107 Affected Products Vehicles MAKE … Read more

Intermittent No Crank, IP Gage Fluctuation, Intermittent Door Lock Cycling, Intermittent Chime Operation, Various IP Warning Lamps Illuminated, Transmission May Not Shift, Engine May Stall, Communication DTCs – 2007-2014 Cadillac Chevrolet GMC HUMMER

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2014 Chevrolet Silverado

NHTSA ID Number: 10113715 Manufacturer Communication Number: 08-07-30-021H   Summary This technical bulletin provides repair information to correct customer concerns of loss of high speed GMLAN communications, intermittent no crank, IP gauge fluctuation, intermittent door lock cycling /chime operation, various IP warning lamps illuminated, transmission may not shift, communication DTCs U0073, U0100, U0101, U0102, U0109, U0121 or … Read more