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Lost Communication With Vehicle Security Control Module: Notes

Fig 1: CAN Interior Bus Wiring Diagrams
GWWUS72371Courtesy of AUDI OF AMERICA, LLC

For a complete wiring diagram, refer to the appropriate SYSTEM WIRING DIAGRAM information.

Possible Causes
CAN C BUS (+) CIRCUIT D51 SHORT TO VOLTAGE
CAN C BUS (-) CIRCUIT D52 SHORT TO GROUND
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
WCM POWER AND GROUND
WIRELESS CONTROL MODULE
MODULE THAT SET THIS DTC