I have a 99 suburban 4x4 that I recently purchased. When I bought it and took it on the test drive, it shifted perfectly, after driving 250 miles the check engine light came on. After paying a toll the trans shifted hard from first int0 second. The problem is the trans does not always shift hard, usually only after highway driving. I have already changed the fluid and checked the code. it is a trans code. Anyone ever have this problem? Need a solution
- posted
19 years ago