General signs:
*Hard shifting or slipping
* Gears do not shift smoothly
* Gear shift delay
* Slipping when upshifting
* Increased noise from automatic transmission
*Check Engine Light on the dashboard is on
Specific signs:
Shift Solenoid Malfunction:
* Gear shifts with a delay or does not shift at all
* The transmission does not engage or engages with a shock
* Car gets stuck in one gear and won’t shift
Pressure solenoid malfunction:
* Slipping when upshifting
*Hard shifting or shock when shifting
* Increased noise from automatic transmission
Torque Converter Lockup Solenoid Malfunction:
* Slipping when driving at speed
* Increased fuel consumption
* Deterioration in acceleration dynamics
Main line pressure solenoid malfunction:
*Hard gear shifting in all modes
* Slipping or increased slippage in some gears
* Problems with shifting gears when driving uphill or under load
Torque converter cut-off solenoid malfunction:
* Increased fuel consumption
* Deterioration in acceleration dynamics
* Automatic transmission overheating due to torque converter slippage