Condition | Possible reason |
| Above the specified speed | All provisions | Insufficient pressure of transmission liquid | The oil pump is worn-out |
| Leaks in the oil pump, the regulating valve and / or a transmission case |
| Jamming of the valve of adjustment of pressure |
| Situation D | Proskalzyvaniye of the coupling of a forward course |
| Proskalzyvaniye of the one-pass coupling 3 |
| Situation D, S | Proskalzyvaniye of a brake of lowering transfer |
| Situation R | Proskalzyvaniye of the coupling of direct coupling |
| Proskalzyvaniye of a brake of lowering transfer |
| Below the specified speed | The engine is faulty |
| Proskalzyvaniye of the one-pass coupling in the torque converter |