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That's been out since December. Nothing to worry about, just lets the ECM power down properly before disconnecting the battery.
 

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Discussion Starter #4
figured i would post since most owners probably don't know about it and I have access to alldata pro.
 

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I believe those 2 minutes are to allow the DEF pump to suck (evacuate) the DEF fluid left in the line and injection nozzle back into the DEF tank so the line and nozzle do not freeze in below freezing temps. If your parts freeze, and that code shows, warranty may not pay. Cat has similar. Philip.
 

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If its just a matter of clearing DTCs, the software logic should detect the ignition-off status before setting one of those two DTCs.
 
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