2017-10-10
Delayed or harsh shifting
Transmission slipping
Reduced fuel efficiency
Illuminated check engine light
Failed or malfunctioning shift solenoid 'D'
Open or short circuit in the wiring for the shift solenoid 'D' control circuit
Malfunctioning transmission control module (TCM)
Low battery voltage or a weak charging system
Shift Solenoid: It helps to change gears in automatic transmission cars. A bad solenoid causes difficulty in shifting gears
Replace the shift solenoid 'D'
Inspect and repair any damaged wiring or connections in the control circuit
Replace the transmission control module (TCM) if necessary
Check battery voltage and charging system