One problem related to automatic transmission control module has been reported for the 1999 Mercury Mountaineer. The most recently reported issues are listed below.
This vehicle has been recalled 5 times since purchase, the most recent is for the pcm (00s45), the consumer believes this vehicle was poorly put together and that the manufacturer should provide an extended warranty for the vehicle. Nlm.
| Transfer Case problems | |
| Automatic Transmission problems | |
| Axle Assembly problems | |
| Automatic Transmission Control Module problems | |
| Differential Unit problems | |
| Power Train problems | |
| Power Train Driveline problems |