Mazda 6 Service Manual: No.2 vehicle moves in n position

No.1 vehicle does not move in d, s, l ranges, or in r position

No.3 vehicle moves in p position, or parking gear does not disengage when p is disengaged

Other materials:

Mazda 6 Service Manual: Intermittent concern troubleshooting
  Vibration Method 1. If malfunction occurs or becomes worse while driving on a rough road or when engine is vibrating, perform the steps below. Note There are several reasons vehicle or engine vibration could cause an electrical malfunction. Some of the things to check for are: ...

Mazda 6 Service Manual: Pcm configuration
1. Connect the WDS to DLC-2. 2. Set up the WDS (including the vehicle recognition.) 3. Select Module programming. 4. Select Programmable module installation. 5. Select PCM and perform procedures according to directions on the WDS screen. Note If PCM CONFIGURATION is successful, the PCM ...