DTC C2549 Assist Map Selection

DTC DETECTING CONDITION:

When CAN communication error is received after the ignition switch is ON.
When the vehicle CAN information cannot be received after the ignition switch is ON.

TROUBLE SYMPTOM:

The steering wheel operation feels heavy.

Step	Check	Yes	No
1 CHECK POOR CONTACT OF CONNECTORS.	Is there any poor contact in the connector of combination meter, body integrated unit or engine control module?	Repair the poor contact of connector.	Go to step 2 .
2 CHECK DTC. Using the Subaru Select Monitor, read all DTCs.	Are there any DTCs detected for combination meter, body integrated unit or engine control module as well as DTC C2532?	Perform the diagnosis according to the DTC.	Go to step 3 .
3 CHECK LAN SYSTEM. Perform the diagnosis for LAN system using the Subaru Select Monitor. <Ref. to Basic Diagnostic Procedure .>	Is a DTC related to CAN communication detected?	Perform the diagnosis according to DTC. <Ref. to List of Diagnostic Trouble Code (DTC) .>	Go to step 4 .
4 CHECK POWER STEERING CONTROL MODULE. Connect all connectors. Perform the Clear Memory Mode. <Ref. to CLEAR MEMORY MODE .> Perform the Inspection Mode. <Ref. to INSPECTION MODE .> Read the DTC.	Is DTC C2549 detected?	Replace the power steering control module. <Ref. to Power Steering Control Module .>	It results from a temporary noise interference.