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B2551

DTC B2551 STEERING LOCK UNIT

DIAGNOSIS DESCRIPTION
Though the communication between the Intelligent Key unit and the steering lock unit is normal, when the steering lock/unlock is not normal, B2551 steering lock unit malfunction judges that it is the malfunction and displays the DTC (Diagnostic Trouble Code)

TERMINALS AND REFERENCE VALUE

Terminals And Reference Value For Intelligent Key Unit:




Intelligent Key Unit

PDU (Power Distribution Unit):




PDU (Power Distribution Unit)




SELF-DIAGNOSTIC LOGIC

Step 1:




Step 2-3:




Step 4-5:




Step 6:




DIAGNOSTIC PROCEDURE