WHAT TO DO NEXT
E. FLASH CODE: 53
S253 12 NONVOLATILE MEMORY FAILURE
NOTE - This chart is only to be used if:
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 3-345.41 and you have now been referred here.
An error has been detected in
Contact your distributor/dealer
EEPROM in the ECM which will
to have ECM reprogrammed
cause it to not log codes correctly
and/or ECM replaced.
or at all.
Change 3 3-345.351