P168 0 - BATTERY VOLTAGE HIGH

TM 9-2320-364-20-1

2-14. DDEC III/IV TROUBLESHOOTING (CONT).

Section IV. TROUBLESHOOTING CHARTS (Cont.)

E. FLASH CODE:

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/IV was started at step START-1, pg 2-539, and you have now been referred here.

STEP/SEQUENCE

RESULT

WHAT TO DO NEXT

75-1

High Voltage

Turn ignition on.

Any code(s)

Service other codes first.

Plug in DDR.

other than 168/0.

Read codes.

Code 168/0.

Code 168/0 indicates voltage

is too high to the ECM. Check

batteries and/or vehicle

charging system.