software is individually tailored for each available GM car
and truck platform. For a list of current applications click
here to go to our software download page. Each platform's
version is available as one file.
allows free unlimited playback of files without any authorization
codes needed. However, the software is limited to 20 "free"
recording sessions before an authorization code must be purchased.
After authorization, DataMaster recording sessions are unlimited.
DataMaster also requires use of a serial port adapter and
cable assembly in order to record runs from a vehicle, click
here for additional information.
software is sold either bundled with the cables you need
or the software may be purchased separately. After the
software is purchased, additional platform authorization
codes are available at a considerably discounted price.
Please refer to our price
list for the current pricing schedule. Note that DataMaster
is only available for the OBD1 .
DataMaster requires Windows XP-SP3/Vista/Win7/Win8. DataMaster will run on 32- or 64-bit versions of Windows Vista, 7 and 8 operating systems.
NOTE: Windows XP 64-bit is not supported
- Pentium-class PC at 400 MHz or above
- Display resolution 800 x 600 or above, 1024 x 768 recommended
- Serial RS-232 communication port or TTS USB-Serial Adapter
- 64 MB memory subject to OS minimum requirements
- Hard drive space required: 10 MB + 3 MB for each additional version installed
manual is also available for download here as a PDF file (requires Adobe Acrobat Reader to view).
easy-to-use Windows-based software
displays and stores data for 30 minutes or more per file
data at high rate adjustable up to 10 records per second
to help identify transient problems
graphing allows quick identification of data of interest
data items and colors are user definable
"zoom" feature allows zooming into area of detailed
"strip-chart" graph of data during recording and
user selectable status bits always visible on the main display
display of all status bit information along with bit descriptions
"performance calculator" lets you evaluate 1/4
mile and 0-60 times from recorded data
mixture histogram allows quickly identifying rich and lean
fuel mapping areas
display of DTC (malfunction) codes along with description
clearing engine and/or transmission malfunction codes on
to collect transmission or interleaved engine and transmission
data on certain models
Windows printer for reliable printing of data and graph
connects directly to PC serial port and requires no external
to export user selected data to spreadsheet such as Excel
in Comma Separated Value (CSV) format