Well about a week since I get my brake booster replaced. First I was having problems with the car thinking the oil was too full. I did an oil change and then this morning it spewed the following codes.
P0244, P0243, P2039 and P203A ad per Torque.
Looked under the hood only found air cleaner hose off a bit. Will look closer later

 

P0243 Turbocharger Wastegate Solenoid A Malfunction
P0244 Turbocharger Wastegate Solenoid A Range/Performance
P2039 CAN-fault,fault 1
P2039 CAN-fault,fault 2
P2039 check CAN.CAN signal from controller N51/2 (controller ABC) (airmatic) error
or interfered
P2039 check CAN.CAN-data bus open
P2039 check CAN.CAN-signal from A1 (instrument cluster) error
P2039 check CAN.CAN-signal N15/5 (electronic shift lever module controller) error
P2039 component B40 (oil condition,temperature and quality):oil condition error
P2039 Component B40 (Oil sensor (oil level,temperature and quality)):oil level
implausible
P2039-001 M16/7 (air exchange valve adjustment part),not initialization [P0243]
P2039-002 M16/7 (air exchange valve adjustment part),urgency start position [P0243]
P2039-004 M16/7 (air exchange valve adjustment part),urgency start regulation
P203A insufficient fuel (P0460)
P203A The fuel tank level is too low.(P0460)
P203A-001 M16/7 (air exchange valve adjustment part),practical potentiometer 1
signal voltage too high.[P0246]
P203A-002 M16/7 (air exchange valve adjustment part),practical potentiometer 1
signal voltage too low.[P0245]
P203A-004 M16/7 (air exchange valve adjustment part),practical potentiometer 2
signal voltage too high.[P0246]
P203A-008 M16/7 (air exchange valve adjustment part),practical potentiometer 2
signal voltage too low.[P0245]
P203A-016 M16/7 (air exchange valve adjustment part),practical potentiometer
comparison error [P0244]
P203A-032 M16/7 (air exchange valve adjustment part),air exchange valve stick.
[P0244]
P203A-064 M16/7 (air exchange valve adjustment part),urgency start position not
reach
P203A-128 M16/7 (air exchange valve adjustment part),drive servo motor [P0244]


A lot of spurious crap. Looks like a Canbus short or voltage problem. Better check that new battery.

 

Seriously, what could go wrong with a cheap off-brand battery??

 

Infant mortality syndrome. They either fail quickly due to a plate connector etc. or give their full potential life.

I would check voltages to be sure.

 

How can P2039 mean so many things?
Anyway, saw other posts where some of these codes are related to
the oil in the harness.
Checked my cam sensor today and noted oil in the sacrificial plug but not the harness. Could that be an issue? SO sensor is leaking but dongle is doing it's job, but perhaps it's being soaked with oil is causing weirdness?

I pulled the 'wastegate selenoid' I know it's called something else than that on our cars, cleaned it. and in the process replaced gaskets on the oil catch where it goes into the SC (the big red one) and a couple of crankcase breather hoses, of which one had a crack in it.
Tried to do the 'learning in' recirc valve BS but it wouldn't do it till I cleared the codes which I did.
Haven't test drove yet, but tested standing voltage and it was 12.4V.

Maybe I spilled a little oil where it didn't belong when I was filling?
Taking it out for a drive now, will let you know what happens.

P2039 the oil level is implausible? Yes, as I mentioned I was having weird variations of the oil level.
P203A- Insufficient fuel? Fuel filter? I'm due to replace mine.

I have been getting a few misfires here and there also FYI but they don't show up as CEL's.

 

So went out for a drive today. Clear the codes with a standard code reader before and left. Car was running like crap have no power but was not misfiring or anything and did not show a check engine light. I pulled off part way through the drive and used totque and found that I had a P2039 error and cleared that. The freeze frame information showed all kinds of crazy information like that it had recorded the data with the engine running at 16379 rpm. Anyway I went ahead and cleared the P2039 error and went on with my drive and gradually the car began to run better. The supercharger began to kick in again slowly and gradually I had more power. My plan at this point is to replace the fuel filter and put some fuel injection cleaner in the gas tank and see what happens. I'm still getting some sputtering and I tend to think that perhaps the fuel filter is clogged so that is my reasoning for replacing the fuel filter. Well we'll just have to wait and see.

 

Check your fuel pressure. s/b> 55 psi

 

Well I figured that since I was doing so many codes relating to fuel, the first thing to do might be to put some fuel injection cleaner in the gas. So I put a bottle of red line fuel system cleaner in there with a full tank of shell and it's running great!