Malfunction Indicator Lamp (MIL) Illuminated, Shift to Park Message on Drivers Information Center (DIC), Unable to Turn Off Ignition and/or Discharged Battery – Multiple DTCs Set – 2019-2020 Chevrolet Silverado & GMC Sierra

2020 Chevrolet Silverado

NHTSA ID Number: 10178259 Manufacturer Communication Number: 19NA228   Summary This technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause of the customers concerns.   6 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2019-2020 CHEVROLET SILVERADO 2500 2020 GMC SIERRA 1500 2019-2020 GMC SIERRA 2500 2020   … 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

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

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

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

Instrument Panel Cluster (IPC) Warning Lamps And / Or MIL Are Illuminated Diesel Exhaust Fluid (DEF) Message Displayed Various DTCs Set (Inspect Wiring Harnesses for Chafing) – 2016-2021 Chevrolet Colorado & GMC Canyon

2018 Chevrolet Colorado

NHTSA ID Number: 10184101 Manufacturer Communication Number: PIP5416D   Summary This Preliminary Information communicates to the technician the potential areas of concern in which the engine wiring harness may chafe. It describes in detail what to look for. If you encounter any of these specific described chafes, inspect, repair (as necessary) and route the wiring harness away from … Read more