2017-10-10
Check engine light is illuminated
Transmission may not shift properly
Engine may not start or run properly
Decreased fuel efficiency
Loss of power or acceleration
Defective engine speed sensor
Wiring or connection issues within the circuit
Loose or corroded electrical connections
Failed transmission control module (TCM)
Engine Speed Sensor:
Replace the engine speed sensor
Check and repair any damaged wiring or connections
Tighten or clean any loose or corroded electrical connections
Replace the transmission control module (TCM) if necessary