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Old 06-09-2021, 08:52 PM   #15
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From the manual:

Step 3 - Enter the RXF Data
The RXF Screen is the entry for the receive filter.
This value tells the ScanGauge what to look for in
a response from the vehicle’s computer.
Also, some of the entries tell the ScanGauge how
to display the data. Choices are integer, tenths,
hundreds, hexadecimal or on/off. There are also
some fields that can turn any trip value into a


Step 4 - Enter the RXD Data
The RXD Screen is the entry that tells the
ScanGauge where the data and its size are in the


Step 5 - Enter the MTH Data
The MTH (math) screen tells the ScanGauge the math needed to scale and/or offset the value received
I sense some trickery in these
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Old 06-10-2021, 12:48 AM   #16
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Originally Posted by LimitedSlip View Post
It only updates every 3 to 5 minutes but I don't know how often the TPMS sensors actually report data.
This explains why I never found anything when sniffing the traffic. It becomes a needle in a haystack if it only refreshes every 3 mins. Thanks for the info. I’m going to resurrect my RPi and take another stab at this.
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Old 06-10-2021, 08:54 AM   #17
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Originally Posted by timurrrr View Post
From the manual:

I sense some trickery in these
Curious if there's anything that operates like the E46 'temp gauge' does!
(The temp gauge has a very large range of values where it will display straight up without moving. The thermostat housing has a heating element in it to artificially open the thermostat at lower temperatures to provide greater cooling to the car in certain conditions. Basically they run the engine hotter/colder depending on whether you're driving for fuel economy or performance and don't want customers constantly going to the dealership because their coolant temp is constantly changing.)
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