Thanks for starting this thread, Fud
These were the codes that I used to get transmission fluid temperature in Celsius from the 5 speed auto of a 2006 XK Commander CRD with a ScanGauge II (very old firmware ver 3.15)
TXD: 07E1215C
RXF: 0461055C0000
RXD: 4808
MTH: 00010001FFCE
Getting around 75 deg on the transmission in easy driving conditions. Whilst I believe the Merc 5 speed auto has an oil cooler, I am surprised that when the vehicle is moving and cruising at a steady speed, the trans temperature does not come down very much at all. It's as if there is some kind of thermostat for the transmission.
On a Toyota Land Cruiser, the fluid temperature drops significantly and noticeably once the torque converter is locked up.
I don't know the Scangauge codes for EGT.
Last edited by tempestv8; 21-12-2013 at 11:07 PM.
Reason: Added more info
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