TCProp CAN message missing from the coordinator.
Check the wiring and connectors on TMS (E5) and COO (E30).
What you'll see
No driver-visible symptom recorded.
System reaction
Initially the last valid selected drive mode shall be maintained. When the error is confirmed (after 5 seconds), a DTC (0x0204) together with a yellow gearbox malfunction warning lamp shall be set. In addition, Drive shall be activated if Neutral was previously active to avoid Vehicle Off Road (VOR). To switch from Drive to Reverse with a broken gear lever the parking brake shall be applied and the brake pedal shall be pressed for 5 s. To switch to Drive again the brake pedal shall be released and pressed again for 5 s.
Diagnostic depth
ECU indicating timeout on message Transmission Control Proprietary.
The harness or connectors has open circuit or the message has not been transmitted by coordinator.