The pressure in line | possible cause |
Low pressure only in D | Hydraulic failure to position D |
Low pressure only at position R | Malfunction of the hydraulic system for the R position |
Low pressure only at positions D and S | Sticking a pressure regulating valve |
Improper operation of the primary control valve |
Wear oil pump |
Malfunction of the hydraulic brake lines downshift |
Pressure above this | Sticking a pressure regulating valve |
Improper operation of the primary control valve |