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SYSTEM AND METHOD OF CONTROLLING A POWERTRAIN

  • US 20160339906A1
  • Filed: 05/22/2015
  • Published: 11/24/2016
  • Est. Priority Date: 05/22/2015
  • Status: Active Grant
First Claim
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1. A vehicle comprising:

  • an engine;

    a transmission configured to be selectively coupled to the engine; and

    a controller programmed to, responsive to a request to decouple the engine from the transmission received while a traction battery state of charge (SOC) is greater than a threshold SOC, to a decrease in vehicle speed less than a threshold decrease, and to an accelerator pedal position being within a predetermined range, command the transmission to maintain a current gear ratio such that following decoupling of the engine from the transmission, the transmission does not shift while the vehicle speed remains substantially constant and the SOC remains greater than the threshold SOC.

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