WHAT TO DO NEXT
E. FLASH CODE: 52
S254 12 ANALOG TO DIGITAL (A/D) CONVERSION 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
Diagnosis of DDEC-III was started at step Start-1, pg 3-345.41 and you have now been referred here.
Multiple Code Check
Were there any other codes
Service other codes first.
Replace ECM. Then go to
START-1, pg 3-345.41.
Change 3 3-345.349