flor

Hello every one, just have my c6 for a week and allready had a check engine light, the code's found by the dealer were p0175 and 0172, so started searching for a possible vacuum leak, cleaned the air filter and will place a new one when it comes in from the states and added fuelinjector cleaner, the car has been standing for a couple of months. Hope one of them will help.
But at the dealer they also found 3 codes for the hvac, b0184,b0189 and b2646.
Solar sensors and the last one the ambient light sensor.
They couldn't clear those 3 codes. Is there anybody with the same experience?
Are those 3 sensors in one circuit, so it just might be a loose wire, fuse or so.
The dic says suggest headlight even if the sun is shining, it doesn't worry me because i allways drive with my lights on, but it makes sense if the ambient light sensor is not working
The ac appears to be working normally but i have nothing to compare here in the netherlands. Maybe it is not a 100%??

Anyhelp will be appreciated, the dealer here is my last option, but they are a total rip off. ( the cabin filter was 145euro's at the dealer, so i ordered one in the states for 12$ )

RicK T

I have no answers so here is a bump for you for the night crew.

flor

Problem with the hvac is solved thahks to the alldatadiy manual, found the conector under the dash wasn't connected

dvilin