The main problems of the Chevrolet Cruze automatic transmission:
1. Gear shift delay:
* Clutch slipping
* Faulty solenoids
* Contaminated transmission oil
2. Hard gear shifting:
* Faulty hydraulic valves
* Worn friction discs
* Clogged valve body
3. No gear shift:
* Faulty Transmission Control Module (TCM)
* Damage to speed sensors
*Wiring harness fault
4. Fluid leaks:
*Faulty transmission seals or gaskets
*Damage to gearbox housing
* Fluid overflow
5. Noise and vibration:
* Worn bearings
* Damage to gears
* Insufficient fluid level
6. Overheating:
* Insufficient fluid level
* Dirty transmission radiator
* Faulty transmission temperature sensor
7. Fault codes:
* P0700 – General transmission fault
* P0711 – Transmission speed sensor malfunction
* P0720 – Transmission Position Sensor Malfunction
* P0730 – Over-ratio gear failure
* P0740 – Torque converter lock-up fault
Possible causes of problems:
* Poor quality transmission fluid or late replacement
* Aggressive driving style
* Malfunction of other vehicle components (such as engine or electronics)
*Manufacturing defects
Consequences of problems with the gearbox:
* Poor car handling
* Increased fuel consumption
* Expensive repairs