Does anybody know what this is? I have to go on a trip tomorrow, and of course the check engine light came on. I did the "Push in trip meter and turn the key" trick. C543 came up, then S44, then 338.

Any help would be GREATLY appreciated!
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I would really suggest getting a scanner or tuner and getting the codes. There are only three C codes in my Alldata for an 07

 

I'll try to stop by Autozone in the morning. THANKS!

 

did you ever figure it out? I have same issue.

 

12 year old thread??????

 

i have the same issue as well no hi or lo beam on passenger side. I had to jump power from drivers side low to passenger side to get it to work temporarily