DTC P1562 Buick
Door Multiplex Control Unit Lost Communication With Front Passengers Power Window Switch (UART Line Open)
Door Multiplex Control Unit Lost Communication With Front Passengers Power Window Switch (UART Line Open)
Description
Poor communication between Door Multiplex Control Unit and the Front Passengers Power Window Switch (UART Line Open). NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A. Before troubleshooting, check the fuses in the drivers under-dash fuse relay box
Cause and Solution
Loose or Poor connections between the door multiplex control unit and front passengers power window switch Open or Short between the door multiplex control unit and front passengers power window switch Faulty ground Faulty power window master switch Faulty panoramic glass roof control unit
Video Guide
Diagnostic Info
- DTC Code: P1562
- Brand: Buick