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TM 9-2320-364-20-2
2-846
4. CODE 15: REVERSE PRESSURE SWITCH INOPERATIVE (CONT).
3.
Repair wire(s) 101
and/or 116 (see
schematic
Fig 2-22) or notify DS
Maintenance.
Verify repair, go to
Step 4 of this Fault.
YES
NO
“CHECK TRANS” light ON.
“DO NOT SHIFT” light OFF.
Circuit breakers not tripped.
May also have a Code 32.
No false Code 15.
No short/open circuit in reverse
pressure switch circuit inside
transmission.
Cab/transmission wire harness
faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If there is no continuity in wires
116 and 101 or cab/
transmission wire harness
between connectors MC10 and
MC19, ATEC ECU will register a
Code 15 fault.
WARNING
Is continuity
measured on
wires 101 and 116 between
ATEC ECU harness connector
MC10, terminals 2N and 1R
and transmission connector
MC19, terminals E and G?
Read WARNING
on Page 2-847
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