Originally Posted by craigdp
I've just had my engine light come on and it was serviced last week. Went back to the mechanic and they said it has an error code 839 and 837 also 551 come up. something about a 4WD Mux switch. Does anyone have any ideas what this means and also where the MUX switch is located and will a replacement fix this or is it something more sinister?
Try get some more details on those error codes....codes should be something beginning with a C, U or P ie. P0551.
I cannot find any of those codes in any of my documentation.
If you get the complete code such as P0051 you can Google it or get back to us here.