DTC P1E00: 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 engine and CVT is not possible. (Communication error occurs in modules that conduct MAC communication with ECM and TCM. 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