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Section 3 – Using AutoScanner
Diagnostic Trouble Codes (DTCs) and
Read Codes
The Read Codes function allows the AutoScanner
the Diagnostic Trouble Codes (DTCs) and Pending Codes
from the vehicle's computer modules.
✓
Diagnostic Trouble Codes (DTCs) help determine the cause
of a problem or problems with a vehicle.
✓
Read Codes can be done with the Key On Engine Off
(KOEO) or with the Key On Engine Running (KOER).
✓
"Continuous monitor" and "maturing codes" are other names
for Pending Codes.
✓
If Pending Codes or faults occur a specific number of times
(depending on vehicle), they mature into a DTC and the MIL
lights or blinks.
✓
If a fault does not occur within a certain number of warm-up
cycles (depending on vehicle), the Pending Code or
Diagnostic Trouble Code clears from vehicle's computer
module.
✓
Pending Code faults, DO NOT automatically indicate a
faulty component or system.
Using AutoScanner®: Diagnostic Trouble Codes (DTCs)
Data
®
:
®
to read
3-1
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