DTC B1A33-49: Remote Tuner (Rt) Internal Malfunction [Connectivity Master 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 B1A33:49 (CONNECTIVITY MASTER UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Remote tuner (RT) internal malfunction
Detection condition	The remote tuner (RT) detects a communication error with each radio tuner built into the remote tuner (RT) for 5.5 s, and it determines an internal malfunction.
Fail-safe	Not applicable
Possible cause	Remote tuner (RT) malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable