B2798 Ford

Ford B2798 OBD-II Trouble Code Definition:

B2798 Communication Malfunction No. 2 Immobilizer System

B2798 Ford OBD-II Trouble CodeDescription:

Causes
– faulty key
When is the obd code mean?
Communication error
B2798 LEXUS OBD Code Description

This code is stored in the memory when a key that does not have a transponder chip is inserted or if communication between the key and transponder key ECU assy is impossible.