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TM 9-2320-364-20-2
2-824
1. CODE 12: LOW OIL LEVEL (CONT).
4.
Repair wire(s) 101
and/or 122 (see
schematic Fig 2-22) or
notify DS
Maintenance.
Verify repair, go to
Step 5 of this Fault.
YES
NO
High gear restricted.
“CHECK TRANS” light ON.
“DO NOT SHIFT” light OFF.
Transmission oil level OK.
Transmission internal wire
harness OK.
Oil level pressure switch OK.
Cab/transmission wire harness
faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If no continuity is present on
wires 122 and 101 in cab/
transmission wire harness,
ATEC ECU will register a code
12 fault.
WARNING
Is continuity measured on
wires 101 and 122 between
ATEC ECU harness connector
MC10, terminals 2N and 3N
and transmission connector
MC19, terminals E and H?
Read WARNING
on Page 2-825
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