2017-10-10
Check and replace the transmission range sensor.
Inspect and repair any damaged or loose wiring or connectors related to the transmission range control circuit.
Clear any stored error codes and perform a relearn procedure.
If all other options have been exhausted, consider replacing the TCM itself.
Faulty transmission range sensor
Loose or corroded wiring/connections related to the transmission range sensor
Low transmission fluid level
Malfunctioning transmission control module
Issues with the internal transmission components
Transmission slipping or poor shifting
Harsh or delayed shifting
Inability to engage or disengage gears
Vehicle stalling when shifting gears
Check engine light illuminated