TT Quattro Roadster L4-1.8L Turbo (AMU) (2002)
Example 1:
From the DTCs stored in the memories, you have determined that control
module 1 is not communicating with control modules 2 and 3.
-
Switch ignition off.
-
Disconnect the control modules connected across the bus wires and check the bus wires for an open circuit.
-
Replace control module 1 if no malfunctions can be found in the bus wires.
Example 2:
From the DTCs stored in the memories, you have determined that control module 2 is not communicating with control modules 1 and 3.