Refer to "Shop Manual" and remove necessary parts to get access to Cluster, ACU, CGW and other control units that connected to C-CAN Communication circuit.

Connect GDS to Data Link Connector (DLC).

Ignition "ON"

Disconnect unit connector one after the other.

Check for control unit causing the fault by communicating with Cluster, ACU, CGW and other systems with GDS.

Does the status of DTC C161608 changes to "History" when certain control module connector is disconnected?

	▶ Carefully re-do this troubleshooting guide steps. ▶ If problem still occurs, replace control unit that casuing the fault and then go to "Verification of Vechicle Repair" procedure.
	▶ Carefully re-do this troubleshooting guide steps. ▶ If no problems were found with the circuits or connectors, replace CGW and then go to "Verification of Vehicle Repair" procedure.