Actron GM Code Scanner CP9001 - Manual (Page 62)

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Erasing ABS Codes from Computer
Memory: Bosch 2U (Version A)
Erase codes from memory whenever
you complete a repair or to see if a
problem will occur again. Note: The
computer will automatically erase
codes after several restarts (typically
100) if the problem does not return.
Proceed as follows:
1) Turn the ignition
switch to the
ON position.
The anti-lock
lamp should
turn OFF after 3
to 4 seconds. If it does not, a failure
still currently exists which must be
corrected before its corresponding
trouble code will clear.
2) Plug the Code Scanner (make sure
the TEST switch is in the ABS
position) into the test connector.
TM
GM 1982 & higher - CP 9001
Car Computer Code Reader
T E S T
ABS ENGINE
TM
GM 1982 & higher - CP 9001 Ca r C om pu ter C od e R ead er
O
FF
ON
3) Remove the
Code
Scanner for
about 1
second then
reinstall Code
Scanner into the connector. Repeat
this procedure 4 times within 10
seconds. Leave the Code Scanner
inserted in the connector after the
4th time.
4) Observe the anti-lock indicator lamp.
Code 12, the “diagnostic system
operational” code should flash
indicating that all trouble codes have
been erased from memory. Wait at
least 15 seconds before turning the
ignition switch OFF. Remove the
Code Scanner, and reinstall the test
connector cover (if used on vehicle).