Diagnostic Aids
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
- Both DTC U1511 and U1512 will set if an open/high resistance in the local interconnect network bus circuit is between the door module and the first splice.
- Only 1 DTC (U1511 or U1512) will set if an open/high resistance in the local interconnect network bus circuit is between the splice and the window motor.