LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2023 >> 3 Select, 4D Hatchback >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Telematics Communication Unit DTCS
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Telematics Communication Unit DTCS

TELEMATICS COMMUNICATION UNIT DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Refer to
B10A2-09 SAS CONTROL MODULE COLLISION JUDGEMENT SYSTEM MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
B10A2-52 SAS CONTROL MODULE COLLISION JUDGEMENT SYSTEM MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
B10A2-87 SAS CONTROL MODULE COLLISION JUDGEMENT SYSTEM MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
B1142-12 TELEMATICS COMMUNICATION UNIT POWER SUPPLY CIRCUIT (IG1) MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
B1142-14 TELEMATICS COMMUNICATION UNIT POWER SUPPLY CIRCUIT (IG1) MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
B119F-01 TEL ANTENNA NO. MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
B119F-11 TEL ANTENNA NO. CIRCUIT MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
B119F-13 TEL ANTENNA NO. CIRCUIT MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
B1207-09 SAS CONTROL MODULE COLLISION JUDGEMENT SYSTEM MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
B1207-23 EVENT NOTIFICATION SIGNAL 2 CIRCUIT MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
B1207-24 EVENT NOTIFICATION SIGNAL 2 CIRCUIT MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
B1207-86 COMMUNICATION ERROR WITH SAS CONTROL MODULE [TELEMATICS COMMUNICATION UNIT]
B1252-87 COMMUNICATION ERROR WITH CONNECTIVITY MASTER UNIT (CMU) [TELEMATICS COMMUNICATION UNIT]
B1A56-11 TEL ANTENNA NO. CIRCUIT MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
B1A56-13 TEL ANTENNA NO. CIRCUIT MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
B1D55-11 TEL ANTENNA NO. CIRCUIT MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
B1D55-13 TEL ANTENNA NO. CIRCUIT MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
U007A-00 MODULE COMMUNICATION ERROR (CAN BUS NO.)[TELEMATICS COMMUNICATION UNIT]
U0140-00 COMMUNICATION ERROR WITH BODY CONTROL MODULE (BCM) [TELEMATICS COMMUNICATION UNIT]
U0151-00 COMMUNICATION ERROR WITH SAS CONTROL MODULE [TELEMATICS COMMUNICATION UNIT]
U0164-00 COMMUNICATION ERROR WITH DASH-ELECTRICAL SUPPLY UNIT [TELEMATICS COMMUNICATION UNIT]
U0415-86 ERROR SIGNAL RECEIVED FROM DSC HU/CONTROL MODULE [TELEMATICS COMMUNICATION UNIT]
U0424-86 ERROR SIGNAL RECEIVED FROM DASH-ELECTRICAL SUPPLY UNIT [TELEMATICS COMMUNICATION UNIT]
U0452-86 SAS CONTROL MODULE COLLISION JUDGEMENT SYSTEM MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
U2050-55 ACTIVATION OF REMOTE CONTROL NOT IMPLEMENTED [TELEMATICS COMMUNICATION UNIT]
U213C-00 COMMUNICATION ERROR WITH DSC HU/CONTROL MODULE [TELEMATICS COMMUNICATION UNIT]
U2300-54 CONFIGURATION ERROR (DATA NOT RECEIVED) [TELEMATICS COMMUNICATION UNIT]
U2300-55 CONFIGURATION ERROR (NO CONFIGURATION) [TELEMATICS COMMUNICATION UNIT]
U2300-56 CONFIGURATION ERROR (INEFFECTIVE/NON-INTERCHANGEABLE DATA READ) [TELEMATICS COMMUNICATION UNIT]
U3000-00 TELEMATICS COMMUNICATION UNIT INTERNAL MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
U3000-04 TELEMATICS COMMUNICATION UNIT INTERNAL MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
U3002-29 INVALID DATA RECEIVED FROM BODY CONTROL MODULE (BCM) [TELEMATICS COMMUNICATION UNIT]
U3002-56 VIN DATA UNMATCHED WITH BODY CONTROL MODULE (BCM) [TELEMATICS COMMUNICATION UNIT]
U3003-14 TELEMATICS COMMUNICATION UNIT POWER SUPPLY CIRCUIT MALFUNCTION [TELEMATICS COMMUNICATION UNIT]
U3003-16 TELEMATICS COMMUNICATION UNIT POWER SUPPLY VOLTAGE LOW INPUT [TELEMATICS COMMUNICATION UNIT]
U3003-17 TELEMATICS COMMUNICATION UNIT POWER SUPPLY VOLTAGE HIGH INPUT [TELEMATICS COMMUNICATION UNIT]