what would cause a code PO605?
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Laughing Gas
Joined: Apr 2011
Posts: 851
Likes: 14
what would cause a code PO605?
99 7.3. Getting code P0605 on cold morning starts only. Will not start. After its warmed up or plugged in, starts and runs fine.
P0605 is "internal control module ROM error"
Assuming the wiring harness for the PCM is in tact and all the grounds are good, could anything else besides a bad PCM cause this code?
P0605 is "internal control module ROM error"
Assuming the wiring harness for the PCM is in tact and all the grounds are good, could anything else besides a bad PCM cause this code?
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Laughing Gas
Joined: Apr 2011
Posts: 851
Likes: 14
If I don't have a flip chip, haven't changed any programs, disconnected batteries or pulled fuses, would it be safe to assume my PCM is actually bad?
Logistics Pro
Joined: May 2011
Posts: 4,832
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From: Maine
Is the Wait To Start (WTS) light coming on off like normal?
Have you pulled/checked your fuses?
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Laughing Gas
Joined: Apr 2011
Posts: 851
Likes: 14
The truck will only crank when its cold, will not start. When warm or plugged in it starts fine and runs great.
My GPR is brand new, all my glow plugs test good, and the passenger side has 4 new glow plugs and a new UCV harness. Glow plug system "functions perfectly" according to the international dealer.
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