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SYSTEM AND METHOD FOR DETECTING AND RESPONDING TO PRESSURE LOSSES IN A HYDRAULIC AUTOMATIC TRANSMISSION

  • US 20110112715A1
  • Filed: 03/24/2010
  • Published: 05/12/2011
  • Est. Priority Date: 11/10/2009
  • Status: Active Grant
First Claim
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1. A control system for a hydraulic automatic transmission, comprising:

  • a fault detection module that detects faults of components of the transmission, wherein the faults may indicate low hydraulic fluid pressure in the transmission or failure of one or more of the components; and

    a transmission diagnostic module that determines whether the faults are due to low hydraulic pressure based on the detected faults, a predetermined number of faults, and a plurality of conditions.

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