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Oil Temp level/temp sensor fault 00562 (with Video |
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P38irl 
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Joined: 15 Dec 18 Location: Ireland Status: Offline Points: 16 |
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 Topic: Oil Temp level/temp sensor fault 00562 (with VideoPosted: 16 May 19 at 08:24 |
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Hello all,
After getting over having to remove the engine the remove the water pump debackle (see my previous post) things have been going well until recently i have been getting an intermittent coil light coming on the dash and loss of power. (see video below) this all stated very harmlessly and happened once in a blue moon. so thouhgt id let it develop before spending too much time looking in to it. noy it got to the point were i was almost stranded on the road side unable to get it to go. so i did a diagnostic session with VCDS and got these results....
I cleared all the codes but "00562 - Sensor for Oil Level/Temperature (G266) 30-00 - Open or Short to Plus" keeps returning. when putting the keys in the ignition i am getting the yellow oil can light flashing (oil level is fine on the stick) So it was a bank holiday weekend and i got a new oil sensor in the scrap yard. This made a vast improvement but still get the odd knock with a flash of the coil light on the dash. I also ordered a new sensor on eBay the same weekend so to rule it out i changed that sensor again last night clear all the faults and put the key in the ignition and still have the yellow oil can light flashing when the dash lights come on. SO! my question what else am i missing? could there be another sensor i am not aware of? Im wondering did these sensors get damaged when the coolant mixed with the oil when the water pump seized. any help would be appreciated. Thanks
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AndyT
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Joined: 16 May 08 Location: Ammanford Status: Offline Points: 2274 |
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Posted: 17 May 19 at 06:28 |
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Have a look or post on the vcds forum, might give you a clue or two. There is also info on each fault code which might help.
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LT28 1979 2.0 Pampas Nevada Camper LPG 93K, 1980 T3 A/C Camper 98K,1994 RRC 3.9 LPG 120k , 1998 Audi A6 Est 2.5 V6 diesel 127k
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T5 TDI
Vanorak 
Joined: 05 Nov 05 Status: Offline Points: 3687 |
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Posted: 18 May 19 at 08:56 |
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The terminal 30 supply is the unswitched 12v supply. It gets used for lots of things but it is is vital so it's probably worth starting there. You should find it in the fuse box under the bonnet labelled 109. Any of the engine faults could be caused by it if it is failing.
On your VCDS scan the engine is complaining that it doesn't like messages it is getting from the instrument cluster and the instruments are complaining that it can't communicate with the engine. It could be wiring between the two or the dash or the ECU, but the whole lot including the oil temperature light (which is the same sensor as the oil level sensor) could be caused by the terminal 30 relay or the connections to it.
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2004 2.5 174
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P38irl
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Joined: 15 Dec 18 Location: Ireland Status: Offline Points: 16 |
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Posted: 18 May 19 at 09:15 |
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Hi thanks for the reply. ok, seems like a reasonable place to look. ill get stuck in to it over the weekend and see how i get on. I'll post back with results. thanks
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P38irl
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Posted: 16 Sep 19 at 22:09 |
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Hi all just to update on the current situation. I got a brand new factory sensor and fitted it and the coil light has never some back on nor have i had any power loss but i cant clear the fault code for love nor money. Im still getting the yellow oil can light on start up but infrequently. so besides the light coming on from time to time everything else seems to be fine but i dont want an intermittent light coming on in the dash.
Any other suggestions would be appreciated.
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P38irl
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Joined: 15 Dec 18 Location: Ireland Status: Offline Points: 16 |
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Posted: 04 Oct 19 at 19:29 |
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Success!!
So a number of months later I decided to let the problem develop. I was on a trip to Spain when the problem really acting up. Everytime I hit a bump in the road the coil light came on and I lost power. It got so bad that it was conking out on small cobbled streets.  Long story short I limped in to a campsite and started digging for a loose connection or broken cable all the cables outside the electrical box under the main battery. After opening that box I began to check the relays and their conditions for burning or signs of heat when suddenly I discovered a brown cable loose.   What appears to have happened is the earth nut had vibrated its way off the earth pole in the box and the 3 cables worked themselves loose. So the reason I was getting these faults was technically a bad earth but was more prominent when I hit a bump cos the earth cables were jumping around. I found a spare nylon nut from something else and Bolted town the cables. Cleared the faults with the VCDS and BINGO! Back to how things were. 300km today without an issue.
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T5 TDI
Vanorak
Joined: 05 Nov 05 Status: Offline Points: 3687 |
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Posted: 04 Oct 19 at 20:23 |
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Thanks for getting back.
 Interesting that the poor earth did cause the oil lights to come on. I've seen a few people struggling with that problem after changing the sensor and checking all the nearby wiring. One to remember!
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2004 2.5 174
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