General Category > Technical

Tyre Pressure Montiors

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Wilco:
Hope you don't mind, I modified your link to use bbcode tag [img] [ /img] (without the space) so that it displays inline.

The front raw temperature is the maximum reading, which is the default. The data field uses a single byte (8 bits) with an offset to display values between -50 and 205.
Similarly the 5.10 Bar is the maximum, so your values are all giving default readings.

Helga1200:
Hi Wilco. dont mind at all..

So whats the consensus?  Is it the batteries even though it says they are ok?  Could anything interfere with the sensor i.e GPS module?

Wilco:
Interference is unlikely, and on the surface of it, all seems fine.
I would certainly expect a fault reading on the sensor status if there was a battery issue, but it still seems the most likely explanation.
Your screenshot looks typical of a healthy system with only one sensor awake.

I would suggest going for a ride until one or both sensors cut out, and then doing a realtime value check without killing the engine.
Perhaps the sensor status has reset before you looked at the RTV readings.

Wilco:
Did you get any fault codes on the controller, by the way?

Helga1200:
I got the following

Anti-Theft Alarm / Tyre Pressure Monitor
RDC/DWA type:   Anti-Theft Alarm / Tyre Pressure Monitor
Controller Type:   Anti-Theft Alarm / Tyre Pressure Monitor
Part No.:   7722092
Hardware Index:   11
Coding Index:   4
Manufacturer:   Gemel
HWOE No.:   61780645
MCV:   0.6.0
FSV:   2.5.1
OSV:   3.2.1
2 fault codes found:

40471   Front tyre-pressure sensor signal disrupted/interference
The fault is not present now.
40472   Rear tyre-pressure sensor signal disrupted/interference
The fault is not present now.

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