Lexus ES: System Diagram

 Auto ID Under Registration (C2128)

DESCRIPTION When ID registration is being performed via the automatic ID registration function, the tire pressure warning ECU and receiver stores C2128 and the tire pressure warning light flashes for 1 minute and then illuminates. When the tire pressure warning ECU receives data from all registered

 XM Tuner Antenna Disconnected (B15FE,B15FF)

DESCRIPTION These DTCs are stored when a malfunction occurs in the telephone antenna assembly which is connected to the radio receiver assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B15FE XM Tuner Antenna Disconnected The telephone antenna assembly is not conn