Disco 3 (LR3) External temperature reading blank

HELPPPP

While I was working on the heated seat conversion I removed a black and green wire out of the middle plug connected to my HVAC unit and realised it was the wrong thing to do and plugged it all back in , ever since I did that my external temperature gauge reads -17° and my parking heater has decide to turn itself on.

I've plugged everything back in as it was and still no luck

Any suggestions welcome.

Reboot the whole car!!!




(puts hat and coat on and leaves!)

Stanleysteamer said:

Reboot the whole car!!!




(puts hat and coat on and leaves!)

Click to expand...

Would disconnecting the battery and leaving it for 10 minutes work?

LR-hobbs said:

Would disconnecting the battery and leaving it for 10 minutes work?

Click to expand...

Well I was thinking along those lines, though I am no specialist in the D3, @gstuart is your man for this.
I also had a feeling that touching the big positive and negative wires together came into it somewhere but deffo don't do that until you have had a post from him!

@gstuart, hey mate , could you give me some advice here?

everything was working perfectly fine up until this point.



Scratch all that I disconnected the battery for 10 minutes and its fixed

Stanleysteamer said:

Reboot the whole car!!!




(puts hat and coat on and leaves!)

Click to expand...

That is called a hard reset, disconnect battery leads from battery, join lead ends together for a few seconds, this discharges all the capacitors etc in everything on the vehicle, reconnect leads and thats is it.
Sometimes have to do this when you cannot get fault codes to clear, but you have just fixed the bloody thing!

So for once I seem to have given good advice.



I think I need a lie down!

Stanleysteamer said:

So for once I seem to have given good advice.



I think I need a lie down!

Click to expand...

The answer to most problems are the simplest.

Cheers for that mate saved me loads of hassle