Hope this is the right section.
I have a Mk6 2009 3.0l D4D.
My Hilux lay idle for about 4 months during which time the battery died completely (I mean dead as a dead thing for probably 2-3 months). On getting everything going again, including a new battery, the malfunction indicator light came on immediately after starting the engine.
I plugged in my OBD thingy and got the code 0069 (barometric pressure correlation). This is the same code that came up a few years ago, and the fault was caused by a blocked MAP filter. This was cleaned out and the malfunction light on the dashboard cleared on its own after driving down the road.
Considering that the pick-up was fine prior to being laid up for a few months, I find it odd that the same error code has popped up. I checked the usual suspect areas - dirty air filter and MAP filter and associated tubes again - and all good.
So the question is...
...is it possible for the computer, after being deprived of power from the battery, to get its knickers in a twist and throw up an old malfunction code? ...and if so, is it okay to clear the 'fault' via the OBD?
Cheers,
Buttface.