Actron CP9190 - Manual (Page 121)

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GM Enhanced (OBD II) Diagnostics
5
From the Diagnostic Codes
Menu:
1.Select Read Codes.
•Use
UP or DOWN arrow
key until Read Codes is
highlighted.
•Press
ENTER.
✓
If no DTCs are present a message stating System Pass: No faults
detected is displayed .
2. View and write down the
DTCs.
•Use the
UP or DOWN
arrow keys.
❒
On some GM vehicles the
Scan Tool shows current and
history DTC status. Some GM
vehicles also show intermittent
codes.
3.Return to Diagnostic Codes Menu.
•Press
BACK.
Pending Codes
Erase Codes
View Freeze Data 
Review Data
Print Data
Code Lookup
Diagnostic Codes Menu
Read Codes 
System Pass
No faults detected.
Read Codes
1 of 7
Reference Voltage
Low
P0113
HISTORY
ENG