U0420

SES Light – Reduced Power – DIC Warning Messages – Reduced Steering Message – Stabilitrack Message – 2019-2022 Cadillac Chevrolet GMC

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Chevrolet GMC Cadillac

NHTSA ID Number: 10224277 Manufacturer Communication Number: PIT5847F Summary This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. The technician is instructed to inspect a wiring harness for chaffing on a bracket which is located beneath the … Read more

History DTCs To Ignore / NO SES / NO Malfunction Indicator Lamps / NO Warning Messages – 2021 Buick Envision

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2021 Buick Envision

NHTSA ID Number: 10193468 Manufacturer Communication Number: PIT5837   Summary This Preliminary information communicates an issues with false codes setting in vehicles due to timing issues between the modules.     1 Affected Product Vehicle MAKE MODEL YEAR BUICK ENVISION 2021   Condition A technician may find any number of the following DTCs set in History. These history … 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

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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

Power Steering Reduced Message and/or Malfunction Light (MIL) Illuminated – 2016 Chevrolet Malibu

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2016 Chevrolet Malibu

NHTSA ID Number: 10088822 Manufacturer Communication Number: 16-NA-200 Summary THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE POWER STEERING MODULE TO CORRECT THE CUSTOMERS CONCERN OF THE POWER STEERING REDUCED MESSAGE ON AND THE MIL ILLUMINATED.   1 Affected Product Vehicle MAKE MODEL YEAR CHEVROLET MALIBU 2016     SEOCONTENT-START Bulletin No.: 16-NA-200 Date: June, 2016 … Read more