U0037 - LIN BUS Circuit Low: Notes
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2014 Volkswagen Routan, 2013 Volkswagen Routan, 2012 Volkswagen Routan, 2011 Volkswagen Routan, and 2010 Volkswagen Routan. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: LIN Bus Circuit, Driver Window Switch Sense Return Circuit & Driver Window/Door Lock Switch Wiring Diagram
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAM.
- >>When Monitored:<< Continuously when the ignition is on.
- >>Set Condition:<< The module detects a short to ground on the LIN Bus circuit.
| Possible Causes |
|---|
| (D903) LIN BUS CIRCUIT SHORTED TO GROUND |
| (D903) LIN BUS CIRCUIT SHORTED TO THE (Q911) DRIVER WINDOW SWITCH SENSE RETURN CIRCUIT |
| DRIVER WINDOW/DOOR LOCK SWITCH |
| DRIVER DOOR MODULE (DDM) |