52B-DTC B223B CODING STATE INVALID

DTC B223B: Defective Coding Data

caution

If DTC B223B is set to SRS-ECU, be sure to diagnose the CAN bus line.

FUNCTION

The SRS-ECU will set DTC B223B when component(s) other than those coded in the ECU is connected to the ECU.

TROUBLE JUDGMENT

This code will be set when the coded components do not correspond to the vehicle specification.(the components to be checked are squib, impact sensor and passenger's airbag cutoff switch).Furthermore, this code will also be set when the front and side impact sensors are interchanged.

PROBABLE CAUSES

SRS-ECU incorrectly installed
Squib specification mismatch
Impact sensor improperly installed
Passenger's airbag cut off switch improperly installed
Front and side impact sensors interchanged