DSC malfunction and DBC malfunction, startoff assistance inactive just started showing up but no fault codes can be found
SOURCE: idle control malfunction code PO 505
dirty idle control valve maybe? take it off & clean with parts cleaner or crc or wd-40. try that & see how you get on.
SOURCE: on my 2002 bmw 745li keeps dispalying DSC
It means your Dynamic Skid Control is failing. This is what helps you control the vehicle in collision like circumstances.
SOURCE: I replaced my head gasket on my 2000 528i BMW. Now
Good evening Daniel,
Congrats on replacing the head gasket successfully! In regards to your secondary air system. I would first start with the electrical air pump supply located on the passengers side of the engine compartment. You can locate the supply hose (about 1 1/2 inch diameter) at the front of the exhaust manifold. The hose connects to the secondary air valve. Make sure the hose is connected. Also make sure if there is a vacuum supply line to the secondary air valve, that it is not broken/or disconnected. If the hoses are ok and secure, then remove the larger supply hose from the valve when the engine has not been started for 4-5 hrs and make sure you have air flow from the air pump. The pump should be audible and operate for approximately 30seconds to a minute. If you are still having issues after these checks, I can list other possible causes.
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