Diagnostic Code C

[montyvr6]

Appologies if there is a thread for this already but I had a look and couldn't find anything.

When I turn the ignition on I get Diagnostics Code C.

'Water level sensor not activating zero switch'

The car starts and drive as normal, rad fans work, has coolant in it etc. Everything is normal, except. The dahs display will tell me from time to time that I have 0 oil pressure or 199 degrees water temp, and beep at me, which is annoying!

So a couple of questions, firstly what does the diagnostics code mean & how do I fix it? I have just replaced the water temp sender, dash one with lead & plug not ECU one with plug on back of sender, code still shows with ignition on.

Secondly so I need to disconnect battery to reset fault code?

Thirdly what could cause the dash 0 oil pressure & 199 water temp fault? I guessed it could be a faulty sender, hence I changed it but doesn't look like it was. Faulty earth somewhere? Is there a common place to look? It doesn't always do it & it never shows 0 oil pressure without 199 water,plus car has not yet over heated or seixed. As they do it together i'm sure its an electrical or sender fault etc.

Any ideas?

PS its a MK1 Tuscan S

[onny]

Code C is a display POD fault and it's not a real problem with any sensor or the car. When you switch on the ignition, the POD swings the water temp gadge from 0 to max and back again, code C is caused by the POD not detecting the gadge hitting the 0 mark. I've had this fault for 7 years now and you can't fix it apart from pulling the POD apart and checking all the connections etc. Even then its not a guarantee fix. You can't clear this fault by disconnecting the battery or using the ECU software. Just press the reset button on the POD and live with it, I have.

I always get a 0 psi oil pressure reading when I start the car from cold but clears as soon as the car starts, I've replaced the sensor and I still get it so I just live with it.

Don't know about the 199 degree temp reading but if it only appears when you start your car then I doubt its a reall problem would just press the reset button to clear it.

[blueg33]

I had weird temp readings and it turned out to be an earth. Not sure where though, Dom and his guys sorted it for a small charge so it culdn't have been that hard to do

[nawarne]

To OP.
Check out this website: www.mytuscan.co.uk

Search through the FAQ's and you'll find a list of all the pod error codes. As stated the Code C is just a little glitch with the temp. gauge.

I'm sure Graham Varleys's Sagaris manual has the above information too. The manual is just going into its 4th reprint, well worth getting a copy for the drive train information alone.

Nick