Mazda 6 Service Manual: Dtc c1953, c1954

Dtc c1510, c1511, c1512, c1513

Diagnostic procedure ...

Dtc c1955, c1956

Caution When attaching the tester lead to the DSC HU/CM connector the SST (49 G066 004) must be used. Diagnostic procedure ...

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: Distance-to-empty
This displays the approximate distance you can travel on the remaining fuel based on the fuel economy. The distance-to-empty will be calculated and displayed every second. NOTE Even though the distance-to-empty display may indicate a sufficient amount of remaining driving distance befor ...