STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
TM 9-2320-363-20-1
Section 4
TROUBLESHOOTING CHARTS
E.
FLASH CODE: 18
J1587 CODE:
P724 - BYPASS POSITION CIRCUIT FAILED HIGH (HIGH VOLTAGE)
18-30
Verify Repairs
Turn ignition off.
No codes.
Repairs are complete.
Reconnect all connectors.
Turn ignition on.
Code 72/4 (and
All system diagnostics
Clear codes.
any other codes).
are complete. Please review
Note status of "Check Engine"
this section from the first
light.
step to find error.
If "Check Engine" light does
not stay on, start engine and run
Any other codes
Go to START-1, pg 3-345.41,
until "Check Engine" light comes
except Code 72/4.
to service other codes.
on or 1 minute.
Read inactive codes.
Change 3 3-345.229
