what does the code u1000 mean if any one has any helpfull hints please shear on 2004 Chevrolet Silverado 1500

again the code is u1000 thanks again

Asked by for the 2004 Chevrolet Silverado 1500
1 answer
I'll shear with you if you tell me what the truck is doing. Contact me at autoknowhow@gmail.com