Component Inspection

WARNING: This page is about a different car, the 2015 Hyundai Sonata. However, it is still accessible from the selected car via links, so may be relevant.

■ Check internal errors of CAN communication units

Connect GDS.
IG "ON" and engine "OFF".
Select "DTC Analysis" mode.
Disconnect CAN communication units one by one and monitor DTC to find the cause.

Fig 1: BCM CAN Communication Circuit Diagram With Connector End Views (1 Of 2)
Courtesy of HYUNDAI MOTOR AMERICA

Fig 2: BCM CAN Communication Circuit Diagram With Connector End Views (2 Of 2)
Courtesy of HYUNDAI MOTOR AMERICA

*CAN communication units: BCM (Body Control Module), CLU (Cluster), PDM (Power Distribution Module), SMK (Smart Key), SJB (Smart Junction Box).
Is the code erased?
YES
- Substitute with a known - good unit and check for proper operation.
If the problem is corrected, replace the unit and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

NO
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.