P2c7a Code Chevy Silverado A43c e55a I have a chevrolet silverado 2500 hd with a 6.6 diesel. i have a check I have a Chevrolet Silverado 2500 HD with a 6.6 diesel. I have a check I have a Chevrolet Silverado 2500 HD with a 6.6 diesel. I have a check Check Details ← P287b Ford Focus P3 Cars Audi → Share with friends Link copied