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TM 9-2320-364-20-2
2-924
14. CODE 54: A, B, C, D, F, AND J SOLENOID OFF TEST (CONT).
3.
Repair wire 121
(see schematic
Fig 2-22) or notify DS
Maintenance.
Verify repair, go to
Step 5 of this Fault.
YES
NO
With engine running, “DO NOT
SHIFT” light is ON, shifts are
blocked.
“CHECK TRANS” and “DO NOT
SHIFT” light is ON, after shift is
selected.
Solenoid A or transmission
internal wiring OK.
Solenoid J or transmission
internal wiring OK.
Wire 121 faulty.
Wire 114 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If solenoid A or wiring from
ATEC ECU to transmission is
faulty, ATEC ECU will register a
code 54 fault.
WARNING
Is continuity measured on
wire 121 between ATEC ECU
connector MC10, terminal 3T
and transmission connector
MC19, terminal C?
Read WARNING
on Page 2-925
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