DTC B1207-23: Event Notification Signal 2 Circuit Malfunction (Telematics Communication Unit): Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC B1207:23 (TELEMATICS COMMUNICATION UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Event notification signal 2 circuit malfunction
Detection condition	The telematics communication unit detects a short to ground in the event notification signal 2 circuit.
Fail-safe	Not applicable
Possible cause	SAS control module connector or terminal malfunction Telematics communication unit connector or terminal malfunction Short to ground in SAS control module signal circuit SAS control module malfunction Telematics communication unit malfunction
Courtesy of MAZDA MOTORS CORP.