Using the Scan Tool
VIEWING OEM ENHANCED DTCs
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If the definition for the
currently displayed code is
not available, an advisory
message shows on the
scan tool’s LCD display.
I/M MONITOR STATUS
icons are not displayed
when viewing OEM
enhanced DTCs.
In the case of long code definitions, or when viewing
Freeze Frame data, a small arrow is shown in the
upper/lower right-hand corner of the code display area
to indicate the presence of additional information. Use
the
and buttons, as necessary, to view the
additional information.
The scan tool will display a code
only if codes are present in the
vehicle’s computer memory. If no
codes are present, a “No OEM
Enhanced DTC’s are presently
stored in the v
ehicle’
s computer” is
displayed. Press the M button to
return to the Ma
in Menu.
4. If more than one code was retrieved press the DTC/FF button, as
necessary, to display additional codes one at a time.
Whenever the Scroll function is used to view additional codes,
the scan tool’s communication link with the vehicle’s computer
disconnects. To re-establish communication, press the
POWER/LINK
button again.
5. When the last retrieved DTC has been displayed and the DTC/FF
button is pressed, the scan tool returns to the “Priority” Code..
To view additional OEM enhanced DTCs, repeat steps 1 through
5, above.
To exit the enhanced mode, press the M button. The scan tool
returns to the Main Menu.
General Motors/Isuzu OEM Enhanced DTCs
When OEM Enhanced is chosen from the System Menu (and General
Motors is selected when prompted), the GM Enhanced menu displays.
You may view the “MIL DTC”, “Current DTC”, “Fail Since Clear DTC” or
“History DTC.”
1. Use the UP
and DOWN buttons,
as necessary, to highlight the desired
option, then press the ENTER
button.
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