Actron CP9449 ABS BrakeScan - Manual (Page 13)

1
DTC Examples
General Motors provides additional information along with the DTCs:
Current - A current DTC indicates that a failure is currently
present. A current code may have just occurred or may have
been present over time.
History - A DTC with a History designation is one that has been
detected by the anti-lock brake control module over a span of
time. It is a current failure that has been present long enough to
be stored in long-term memory.
CURR/HIST - A CURR/HIST DTC indicates that a failure is both
current and historical as defi ned above.
Intermittent - An intermittent status indicates that the DTC has
appeared intermittently since the anti-lock brake control module
was reset. (Control modules are reset by mechanics after a
repair has been completed.)
MIL Code - Indicates that the ABS Computer is reporting that the
ABS Malfunction Indicator Light is on. If MIL Code is displayed
by the Tool, but the vehicle dashboard does not display the
ABS MIL, then you have a potential problem with the circuit that
controls the ABS MIL, the bulb itself, a fuse, or the electrical
system.
This code indicates that you currently
have a problem with the Left Front
Wheel Speed Sensor Circuit and that
the problem is illuminating the ABS
malfunction indicator lamp (MIL) on the
dashboard.
•
•
•
•
•
C0023
Left Front Whe el 
Spe ed Sensor Circuit
Malfunction

Current MIL Code
1 of 3
ABS
DTC
Defi nition
DTC Status
(GM Only)
Number of DTCs
Module
Scroll DOWN key
MIL Code Status
(GM Only)
Scroll UP key
User kay active
C0023
Left Front Whe el 
Spe ed Sensor Circuit
Malfunction

Current MIL Code
1 of 3
ABS