2009 Volkswagen Touareg TDI Q&A

2009 Volkswagen Touareg TDI Question: When the transmission kicks down, the oil pressure warning light comes on

w/engine fault, service now. The 2 cylinder head integrated pressure sensors and oil pressure sensors were changed. -
Answer 1
ck oil sending unit operation -
Answer 2
when posting questions especialy unusual ones it would help to have year make model sub model vin # and engine size milage is critical. thanks hunts point auto -