Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed – 2015-2019 Cadillac Chevrolet GMC

2019 Chevrolet Corvette

NHTSA ID Number: 10163890 Manufacturer Communication Number: 18NA355 Summary This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition.   47 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ATS 2016-2019 CADILLAC CT6 2016-2019 CADILLAC … Read more

Propulsion Power is Reduced without DTCs on Higher Mileage Vehicles – 2013-2015 Cadillac Chevrolet Opel/Vauxhall Holden

2013 Chevrolet Volt

NHTSA ID Number: 10163235 Manufacturer Communication Number: 19NA079 Summary This technical bulletin provides repair information to correct a customer concern of a Propulsion Power is Reduced message displayed in the DIC and without DTCs set on higher mileage vehicles by reprogramming the HPCM 2.   5 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ELR 2014-2015 CHEVROLET VOLT … 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

No Start, Loss or Reduction of Propulsion – DTC P0AFA and/or P0BBE Set – 2011-2015 Chevrolet Volt & 2014-2016 Cadillac ELR

2016 Cadillac ELR

NHTSA ID Number: 10161927 Manufacturer Communication Number: 19NA117 Summary This informational bulletin provides diagnostic information for a No Start, Loss or Reduction of Propulsion condition, advising the tech to test the battery packs and not just replace the 12 volt battery.   8 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ELR 2014-2016 CHEVROLET VOLT 2011-2015     … Read more

Diagnostic Tip for SES Lamp Illuminated, Excessive Smoke from Tail Pipe, DTC P2002, P226D or P244A Set – 2010-2021 Chevrolet GMC Holden

2019 Chevrolet Silverado

NHTSA ID Number: 10183132 Manufacturer Communication Number: 16NA380   Summary This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.     SEOCONTENT-START Service Bulletin Bulletin No.: 16-NA-380 Date: November, 2020 INFORMATION Subject: Diagnostic Tip for Malfunction Indicator Lamp (MIL) … Read more