The control lamp lights up when malfunctions occur in the following system elements:
- transmission fluid temperature sensor
- pulse generator A (PG–A);
- pulse generator B (PG-B);
- switching solenoid valve A (SCSV–A);
- switching solenoid valve B (SCSV-B);
- switching solenoid valve C (SCSV-C);
- pressure control solenoid valve A (PCSV–A);
- pressure control solenoid valve B (PCSV-B);
- clutch damper solenoid valve (DCCSV);
- switching synchronization;
- ignition impulses;
- throttle position sensor;
- gearbox operating mode switch;
- damage to the torque converter line.