STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
TM 9-2320-363-20-1
Section 4
TROUBLESHOOTING CHARTS
E. FLASH CODE: 52
J1587 CODE:
S254 12 ANALOG TO DIGITAL (A/D) CONVERSION 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 3-345.41 and you have now been referred here.
52-1
Multiple Code Check
Were there any other codes
Yes
Service other codes first.
besides 254/12?
No
Replace ECM. Then go to
START-1, pg 3-345.41.
Change 3 3-345.349