Diagnostic Tips

Reduced Propulsion Power without DTCs on Higher Mileage Vehicles (with P1.4 Cell Chemistry) – 2011-2012 Chevrolet & Opel/Vauxhall

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2012 Chevrolet Volt

NHTSA ID Number: 10161888 Manufacturer Communication Number: 19NA049 Summary This technical bulletin provides repair information to correct a customer concern of reduced propulsion power without DTCs on higher mileage vehicles (with P1.4 Cell Chemistry).   2 Affected Products Vehicle MAKE MODEL YEAR CHEVROLET VOLT 2011-2012     SEOCONTENT-START Bulletin No.: 19-NA-049 Date: May, 2019 Service Bulletin TECHNICAL … Read more

HVAC Pop-Up May Display 61 Degrees and Have Empty HVAC Setting Icons – 2018 GMC Terrain

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2018 GMC Terrain

NHTSA ID Number: 10161889 Manufacturer Communication Number: 19NA056 Summary This informational bulletin provides information for dealers/technicians on HVAC Pop-Up May Display 61 Degrees and Have Empty HVAC Setting Icons.   1 Affected Product Vehicle MAKE MODEL YEAR GMC TERRAIN 2018     SEOCONTENT-START Bulletin No.: 19-NA-056 Date: May, 2019 Service Bulletin INFORMATION Subject: HVAC Pop-Up May Display … Read more

Hesitation or Low Power Due to False Knock Detection and/or Malfunction Indicator Lamp (MIL) Illuminated, DTC P2096 / P2097 Set – 2019 Chevrolet Malibu

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2019 Chevrolet Malibu

NHTSA ID Number: 10161890 Manufacturer Communication Number: 19NA058 Summary This technical bulletin provides repair information to correct a customer concern of Hesitation or Low Power due to false knock detection and/or Malfunction Indicator Lamp (MIL) Illuminated, DTC P2096 / P2097 Set.   1 Affected Product Vehicle MAKE MODEL YEAR CHEVROLET MALIBU 2019     SEOCONTENT-START Bulletin No.: … Read more

Poor or No AM Radio Reception – 2019 Chevrolet Equinox & GMC Terrain

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2019 Chevrolet Equinox

NHTSA ID Number: 10161891 Manufacturer Communication Number: 19NA060   Summary This informational bulletin provides information for dealers/technicians on Poor or No AM Reception.     2 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET EQUINOX 2019 GMC TERRAIN 2019   Condition Poor or no AM radio reception.   Cause The cause of the condition may be that the … Read more

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

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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