EFI Live DTC P0546

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prestinb

New member
I have recently starting throwing a DTC every time I tow heavy. There seems to be no impact other than an continuing annoyance of the overhead dinging and See Dealer Now message about every 10mins. Anyone else had this DTC? I have searched all forums and really haven't come up with much. Also my Edge Insight Monitor sees the DTC but is unable to clear it. If I reflash the EFI tune...it will go away until I tow heavy again. Any help would greatly be appreciated...

DTC P0546 - Exhaust Gas Temperature Sensor Circuit High - Bank 1 - Sensor 1

prestinb
 
I tuned my dad's truck with EFI Live from Anarchy Diesel, and they told my that the occasional dinging and CEL will come on. So its pretty normal.
 
It's not normal...contact your tuner to fix it. If you self tune, send me the file and I'll turn the see dealer off.
 
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