2017-10-10
Delayed or jerky shifting
Reduced fuel efficiency
Illuminated check engine light
Transmission slipping or not engaging properly
Failed pressure control solenoid 'A'
Wiring or connector issues in the control circuit for the solenoid
Loose or corroded electrical connections
Failed transmission control module (TCM)
Pressure Control Solenoid: This solenoid regulates the oil flow in the transmission. Problems with this solenoid lead to engine misfire, poor fuel economy, poor acceleration
Replace the pressure control solenoid 'A'
Check and repair any damaged wiring or connections in the control circuit
Tighten or clean any loose or corroded electrical connections
Replace the transmission control module (TCM) if necessary