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TM 9-2320-364-20-2
2-930
15. CODE 69: ELECTRONIC CONTROL UNIT (ECU) FAILURE.
INITIAL SETUP
1.
Fault corrected.
START
NO
“DO NOT SHIFT” light is ON.
“CHECK TRANS” light is ON.
ATEC ECU Faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
DDR test.
If an internal fault occurs in
ATEC ECU, diagnostic code 69
will be set and computer will
turn itself OFF.
2-15. ATEC TROUBLESHOOTING (CONT).
Tools and Special Tools
Reader, Diagnostic (Item 53, 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)
References
TM 9-2320-364-10
After clearing codes three
times, is code 69 still
displayed on DDR?
Replace ATEC ECU
(Para 7-71).
Verify repair, go to
Step 2 of this Fault.
YES
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