LAUNCH      X-431 IMMO ELITE User Manual 
This function is used to read the version information of system mode, vehicle 
VIN, software and ECU. 
B. Read Fault Code 
This function displays the detailed information of DTC records retrieved from the 
vehicle’s control system. 
  Caution: Retrieving and using DTCs for troubleshooting vehicle operation is only 
one part of an overall diagnostic strategy. Never replace a part based only on the DTC 
definition. Each DTC has a set of testing procedures, instructions and flow charts that 
must be followed to confirm the location of the problem. This information can be found 
in the vehicle’s service manual. 
On the diagnostic function selection screen, tap Read Fault Code, the screen 
will display the diagnostic result. 
 
On-screen Buttons: 
Freeze Frame: When an emission-related fault occurs, certain vehicle 
conditions are recorded by the on-board computer. This information is referred 
to as freeze frame data. Freeze frame data includes a snapshot of critical 
parameter values at the time the DTC is set. 
Help: Tap to view the help information. 
Code Search: Tap to search for more information about the current DTC online. 
Report: Tap to save the current data in text format. All reports are saved in 
Report -> Health Reports. 
C. Clear Fault Code 
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