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TM9-2320-360-20-3
Section 4
TROUBLESHOOTING CHARTS
E. FLASH CODE:
53
J1587 CODE:
S253 12 NONVOLATILE MEMORY FAILURE
NOTE - This chart is only to be used if:
1) All basic mechanical checks and physical inspections have been performed with no problem found, and
2) Diagnosis of DDEC-III was started at step START-1, pg H-25 and you have now been referred here.
STEP/SEQUENCE
53-1
Replace ECM
RESULT
WHAT TO DO NEXT
l An error has been detected in
EEPROM in the ECM which will
Replace ECM (para 7-29.1).
cause it to not log codes correctly
or at all.
H-225
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