E. CODE 53. EEPROM FAILURE AFFECTING CODE LOGGING (EEPROM = ELECTRONICALLY
ERASEABLE, PROGRAMMABLE READ ONLY MEMORY)
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-II was started at step Start-1 (page 3-121) and you have now been referred here.
WHAT TO DO NEXT
l An error has been detected in the
Replace the ECM, page 4-192.
EEPROM in the ECM which will
cause it to not log codes correctly
or at all.