Dodge Cummins User Guide
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6. Select the [Read] button to initiate the read operation.
7. While the ECM is reading an Elapsed time indicator, an Estimated Time
Remaining indicator, and a Progress bar will display tracking the Read
progress.
8. When the read process is complete a countdown timer will be shown. When
prompted perform the following actions:
1. Turn the vehicle ignition off.
2. Click on the Start Countdown button to begin the countdown timer.
3. DO NOT turn the vehicle ignition on until the countdown timer expires.
This time is critical to allow the ECM to perform internal, initialization
functions after a read or flash operation.
9. On the [F3: Calibration] tab, confirm Checksums are valid. Where the
checksums are invalid, users should not use the file and should source a
calibration file where checksums are valid.
10. If checksums are valid, save tune file. If this is your vehicle's stock calibration,
you should ensure you make a backup of this file in case you ever need to
return the vehicle to stock.