LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2023 >> 3 Select, 4D Hatchback >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> On-Board Diagnostic - Telematics Communication Unit >> DTC U213C-00: Communication Error With DSC HU/Control Module [Telematics Communication Unit] >> Outline
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U213C-00: Communication Error With DSC HU/Control Module [Telematics Communication Unit]: Outline

DTC U213C:00 (TELEMATICS COMMUNICATION UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Communication error with DSC HU/Control Module
Detection condition
  • The telematics communication unit cannot receive a CAN signal from the DSC HU/Control Module for 5 s or more.
Fail-safe Not applicable
Possible cause
  • Malfunction in CAN communication line between the DSC HU/Control Module and telematics communication unit
  • DSC HU/Control Module malfunction
  • Telematics communication unit malfunction
System wiring diagram Not applicable
Connector diagram Not applicable