reading OBD-II DTC's on the DATC (heater control) module?
DATC will display codes related to DATC, not the PCM.
Ed
"hillpcATemailaccount.com" > wrote in message
ups.com...
> The 2002 Powertrain Control and Emissions Diagnosis manual says, about
> the Dual Automatic Temperature Control module, "The DATC module has a
> vacuum fluorescent display for displaying set temperature, function and
> diagnostic trouble codes (DTCs), and utilizes an on-board diagnostic
> (OBD) feature to supply the technician with diagnostic trouble codes
> (DTCs). These DTCs direct the technician to the inoperative component."
>
> But I can't find any instructions on how to get it to display the
> codes. Can anyone help with this? I have a 2003 Explorer and don't
> have a code reader. (I used to just count flashes on my '94 Crown Vic
> check engine light after jumpering with a paperclip under the hood. Now
> that the codes are alphanumeric this probably isn't possible anymore.)
> Thanks.
>
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