Try unplugging the fan hub, I had to work on a 05 with weird ECM communication problem and no start condition and it was the electric fan hub that was short.
All pin out was okay on the ECM, we swap another ECM in it and it work, second startup, no start condition.
Swap the original ECM, same thing, start and second startup, no start condition.
After unplugging the fan hub all was okay ... stupid dodge engineer lol
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DMF Diesel Enr.
371-B, Ch. Sainte-Marie
Sainte-Marthe QC
J0P 1W0
514-659-3041
'97 2500 4x4 CTD NV4500, 19°BTDC, HX35@35 psi, AFC foot mod, PDR IC Boots, Bostrom 914 air seat
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