• If the controller area network (CAN) system is malfunctioning, read the DTCs of the following modules, using the WDS or equivalent to determine the malfunctioning system.
– PCM
– EPS control module
– TCM (AT)
– DSC HU/CM (with DSC)
– Steering angle sensor (with DSC)
– Keyless unit
– Instrument cluster
Flowchart
• Use the following flowchart to verify the cause of the trouble.