FixVault

DTC B2794 Unmatched Encryption Code: Description

WARNING: This page is about a different car, the 2007 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.

This DTC is output when a key with an incomplete key code is inserted into the ignition key cylinder.

UNMATCHED ENCRYPTION CODE

DTC No. DTC Detection Condition Trouble Area
B2794 Key with incomplete key code is inserted Key
  1. RE-REGISTER KEY 
    1. Delete the DTC (see DTC CHECK/CLEAR  ).
    2. RE-register the key (see REGISTRATION  ), and check that the engine starts with the key.

      OK: 

      Engine starts. 

    NG: REPLACE KEY 

    OK: END