Diagnostic Tips

Clunking Noise from Rear of Vehicle (Retorque Leaf Spring Bolts) – 2007-2019 Chevrolet GMC Trucks

by
2017 Chevy Silverado

NHTSA ID Number: 10163265 Manufacturer Communication Number: 090309001G   Summary This technical bulletin provides a procedure for re-torque the lead springs.     32 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2007-2019 CHEVROLET SILVERADO 2500 2014, 2019 CHEVROLET SILVERADO 3500 2014, 2019 GMC SIERRA 1500 2007-2019 GMC SIERRA 2500 2014, 2019   Condition Clunking noise … Read more

Service Transmission Light Flashing and/or Malfunction Indicator Lamp (MIL) On and DTC P0705 – 2014-2015 Cadillac CTS

by
2015 Cadillac CTS-V

NHTSA ID Number: 10201129 Manufacturer Communication Number: PI1448B   Summary Service Transmission Light Flashing and/or Malfunction Indicator Lamp (MIL) On and DTC P0705 set     Condition/Concern Malfunction indicator lamp (MIL) on or that the Service Transmission light is flashing. The shifter does not seem to shift correctly into each range. DTC P0705 set or in history … Read more

Intermittent Service Power Steering Message Displayed on DIC, DTC C056D, C0475 or U0131 May be Set – 2013-2016 Buick Cadillac Chevrolet

by
2016 Buick LaCrosse

NHTSA ID Number: 10094743 Manufacturer Communication Number: PI1294B   Summary THIS PRELIMINARY INFORMATION BULLETIN PROVIDES A PROCEDURE TO CHECK THE GROUND CONNECTION AND REPROGRAM THE POWER STEERING CONTROL MODULE IF A CUSTOMER COMMENTS ON A INTERMITTENT SERVICE POWER STEERING MESSAGE IS DISPLAYED.     13 Affected Products Vehicles MAKE MODEL YEAR BUICK LACROSSE 2013-2016 BUICK REGAL 2014-2016 … Read more

Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues – GM Passenger Cars and Trucks

by
General Motors

  NHTSA ID Number: 10222776 Manufacturer Communication Number: 13-08-116-001H Summary The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.   Condition Customers may comment on various issues with their vehicle related to high … Read more

Stop/Start and AutoStop Operation – 2014-2016 Chevrolet

by
2016 Chevrolet Impala

NHTSA ID Number: 10116862 Manufacturer Communication Number: PI1426A   Summary This preliminary informational bulletin provides Diagnostic Tips for Stop/Start and AutoStop Operation on vehicles that have a conditon of AutoStop mode not engaging and vehicle automaticlly restarts during a autostop event.     5 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET IMPALA 2015-2016 CHEVROLET MALIBU 2014-2016   … Read more