IF YOU CONFIRM: When slowly raising the engine RPM, a hissing, whining, and/or air leak type noise of an applied vehicle is heard coming from the driver side lower instrument panel area. - The noise is verified while the vehicle is parked and the transmission is in the Park (P) position. NOTE: A customer may state the noise can be duplicated during light to moderate acceleration in the 10 - 40 MPH range. ACTION: 1. Remove the ground wire connected between the transmission and driver side frame rail. 2. If the noise stops after repeating the procedure under IF YOU CONFIRM, replace the ground wire with the one listed in PARTS INFORMATION. See this bulletin for further detail.