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TM9-2320-360-20-3
Section 4
TROUBLESHOOTING CHARTS
E. FLASH CODE:
75
J1587 CODE:
P168 0 - 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 H-25 and you have now been referred here.
STEP/SEQUENCE
76-1
High Voltage
l Turn ignition on.
l Plug in DDR.
l Read codes.
RESULT
Any code(s)
other 168/0.
WHAT TO DO NEXT
Service other codes first.
Code 168/0.
Code 168/0 indicates too high
a voltage to the ECM. Check
batteries and/or vehicle
charging system.
H-235
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