Conditions For Running DTC P1811
WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
DTC will run under the following conditions:
- The shift is adaptable.
- The 1-2, the 2-3 or the 3-4 shift adapt cell has reached its limit.