DTC C1E00: Registration Fault Of Authentication Unit

DTC detecting condition:

The communication key of the central gateway control module does not match other control modules after performing module registration (verification).

Trouble symptom:

Authentication communication with EPS, VDC, and the brake booster is not possible. (Communication error occurs in modules that conduct MAC communication with EPS Control Module, VDC Control Module and electric brake booster control module. Related failures occur.)

NOTE:

Refer to DTC B1E00 for diagnostic procedure. Ref. to CENTRAL GATEWAY (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1E00 REGISTRATION FAULT OF AUTHENTICATION UNIT