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TM 9-2320-364-20-2
2-914
13. CODE 46: SOLENOID A INOPERATIVE.
INITIAL SETUP
1.
Notify DS
Maintenance.
START
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.
May also have associated
code 54.
Faulty solenoid or transmission
internal wiring.
Short/open in cab/transmission
wire harness.
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.
2-15. ATEC TROUBLESHOOTING (CONT).
Tools and Special Tools
Tool Kit, General Mechanic’s: Automotive
(Item 74, Appendix G)
STE/ICE-R (optional) (Item 3, Appendix G)
Breakout Harness (Item 36, Appendix G)
Multimeter (Item 44, Appendix G)
Equipment Condition
Engine OFF, (TM 9-2320-364-10)
Parking brake applied, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
Left rear skirt removed, (Para 17-34)
References
TM 9-2320-364-10
TM 9-4910-571-12&P
WARNING
Are 9 to 20 ohms resistance
measured between terminal C
and terminal T at bulkhead
connector and terminal C not
shorted to ground?
Read WARNING
on Page 2-915
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