STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
TM 9-2320-363-20-1
Section 4
TROUBLESHOOTING CHARTS
E.
FLASH CODE:
75
J1587 CODE:
P168 O - BATTERY VOLTAGE HIGH
NOTE -
This chart is only to be used if:
1)
All basic mechanical checks and physical inspections have been performed with no problem found, and
2) Diagnosis of DDEC-III was started at step Start-1, pg 3-345.41 and you have now been referred here.
75.1
High Voltage
Turn ignition on.
Any code(s)
Service other codes first.
other than
Plug In DDR.
168/0
Read codes.
Code 168/0.
Code 168/0 indicates too high
a voltage to the ECM. Check
batteries and/or vehicle
charging system.
Change 3 3-345.375
