LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2024 >> 3 S >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Dash-Electrical Supply Unit DTCS
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Dash-Electrical Supply Unit DTCS

DASH-ELECTRICAL SUPPLY UNIT DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Refer to
B1030-11 DRIVER-SIDE SEAT WARMER UNIT (L.H.D.)/PASSENGER-SIDE SEAT WARMER UNIT (R.H.D.) CIRCUIT MALFUNCTION (HEATER SIDE)
B1030-13 DRIVER-SIDE SEAT WARMER UNIT (L.H.D.)/PASSENGER-SIDE SEAT WARMER UNIT (R.H.D.) CIRCUIT MALFUNCTION (HEATER SIDE)
B1031-11 REAR SEAT WARMER UNIT (LH) CIRCUIT MALFUNCTION (HEATER SIDE)
B1031-13 REAR SEAT WARMER UNIT (LH) CIRCUIT MALFUNCTION (HEATER SIDE)
B1032-11 PASSENGER-SIDE SEAT WARMER UNIT (L.H.D.)/DRIVER-SIDE SEAT WARMER UNIT (R.H.D.) CIRCUIT MALFUNCTION (HEATER SIDE)
B1032-13 PASSENGER-SIDE SEAT WARMER UNIT (L.H.D.)/DRIVER-SIDE SEAT WARMER UNIT (R.H.D.) CIRCUIT MALFUNCTION (HEATER SIDE)
B1033-11 REAR SEAT WARMER UNIT (RH) CIRCUIT MALFUNCTION (HEATER SIDE)
B1033-13 REAR SEAT WARMER UNIT (RH) CIRCUIT MALFUNCTION (HEATER SIDE)
B1038-11 DRIVER-SIDE SEAT WARMER UNIT CIRCUIT MALFUNCTION (THERMISTOR SIDE)
B1038-13 DRIVER-SIDE SEAT WARMER UNIT CIRCUIT MALFUNCTION (THERMISTOR SIDE)
B1038-63 DRIVER-SIDE SEAT WARMER UNIT CIRCUIT MALFUNCTION (THERMISTOR SIDE)
B1039-11 REAR SEAT WARMER UNIT (LH) CIRCUIT MALFUNCTION (THERMISTOR SIDE)
B1039-13 REAR SEAT WARMER UNIT (LH) CIRCUIT MALFUNCTION (THERMISTOR SIDE)
B103A-11 PASSENGER-SIDE SEAT WARMER UNIT CIRCUIT MALFUNCTION (THERMISTOR SIDE)
B103A-13 PASSENGER-SIDE SEAT WARMER UNIT CIRCUIT MALFUNCTION (THERMISTOR SIDE)
B103A-63 PASSENGER-SIDE SEAT WARMER UNIT CIRCUIT MALFUNCTION (THERMISTOR SIDE)
B103B-11 REAR SEAT WARMER UNIT (RH) CIRCUIT MALFUNCTION (THERMISTOR SIDE)
B103B-13 REAR SEAT WARMER UNIT (RH) CIRCUIT MALFUNCTION (THERMISTOR SIDE)
B1054-23 REAR SEAT WARMER SWITCH (LH) MALFUNCTION
B1055-23 REAR SEAT WARMER SWITCH (RH) MALFUNCTION
B1081-17 DRIVER-SIDE AIR MIX ACTUATOR (L.H.D.)/PASSENGER-SIDE AIR MIX ACTUATOR (R.H.D.) CIRCUIT MALFUNCTION
B1081-19 DRIVER-SIDE AIR MIX ACTUATOR (L.H.D.)/PASSENGER-SIDE AIR MIX ACTUATOR (R.H.D.) CIRCUIT MALFUNCTION
B1081-4B ABNORMAL DRIVER-SIDE AIR MIX ACTUATOR (L.H.D.)/PASSENGER-SIDE AIR MIX ACTUATOR (R.H.D.) TEMPERATURE
B1081-71 DRIVER-SIDE AIR MIX ACTUATOR (L.H.D.)/PASSENGER-SIDE AIR MIX ACTUATOR (R.H.D.) MOTOR LOCK
B1081-87 COMMUNICATION ERROR WITH DRIVER-SIDE AIR MIX ACTUATOR (L.H.D.)/PASSENGER-SIDE AIR MIX ACTUATOR (R.H.D.)
B1082-17 PASSENGER-SIDE AIR MIX ACTUATOR (L.H.D.)/DRIVER-SIDE AIR MIX ACTUATOR (R.H.D.) CIRCUIT MALFUNCTION
B1082-19 PASSENGER-SIDE AIR MIX ACTUATOR (L.H.D.)/DRIVER-SIDE AIR MIX ACTUATOR (R.H.D.) CIRCUIT MALFUNCTION
B1082-4B ABNORMAL PASSENGER-SIDE AIR MIX ACTUATOR (L.H.D.)/DRIVER-SIDE AIR MIX ACTUATOR (R.H.D.) TEMPERATURE
B1082-71 PASSENGER-SIDE AIR MIX ACTUATOR (L.H.D.)/DRIVER-SIDE AIR MIX ACTUATOR (R.H.D.) MOTOR LOCK
B1082-87 COMMUNICATION ERROR WITH PASSENGER-SIDE AIR MIX ACTUATOR (L.H.D.)/DRIVER-SIDE AIR MIX ACTUATOR (R.H.D.)
B1086-17 AIRFLOW MODE ACTUATOR CIRCUIT MALFUNCTION
B1086-19 AIRFLOW MODE ACTUATOR CIRCUIT MALFUNCTION
B1086-4B ABNORMAL AIRFLOW MODE ACTUATOR TEMPERATURE
B1086-71 AIRFLOW MODE ACTUATOR MOTOR LOCK
B1086-87 COMMUNICATION ERROR WITH AIRFLOW MODE ACTUATOR
B10FB-17 AIR INTAKE ACTUATOR CIRCUIT MALFUNCTION
B10FB-19 AIR INTAKE ACTUATOR CIRCUIT MALFUNCTION
B10FB-4B ABNORMAL AIR INTAKE ACTUATOR TEMPERATURE
B10FB-71 AIR INTAKE ACTUATOR MOTOR LOCK
B10FB-87 COMMUNICATION ERROR WITH AIR INTAKE ACTUATOR
B11F0-11 AIR INTAKE ACTUATOR INTERNAL POTENTIOMETER CIRCUIT MALFUNCTION
B11F0-12 AIR INTAKE ACTUATOR INTERNAL POTENTIOMETER CIRCUIT MALFUNCTION
B11F5-86 ERROR SIGNAL RECEIVED FROM HUMIDITY SENSOR
B1258-17 REAR VENT ACTUATOR CIRCUIT MALFUNCTION
B1258-19 REAR VENT ACTUATOR CIRCUIT MALFUNCTION
B1258-4B ABNORMAL REAR VENT ACTUATOR TEMPERATURE
B1258-71 REAR VENT ACTUATOR MOTOR LOCK
B1258-87 COMMUNICATION ERROR WITH REAR VENT ACTUATOR
B1259-11 REAR VENT ACTUATOR INTERNAL POTENTIOMETER CIRCUIT MALFUNCTION
B1259-12 REAR VENT ACTUATOR INTERNAL POTENTIOMETER CIRCUIT MALFUNCTION
B12A7-2A TILT POSITION SENSOR (STEERING COLUMN) CIRCUIT MALFUNCTION
B12A8-2A TELESCOPING POSITION SENSOR CIRCUIT MALFUNCTION
B1375-11 TILT MOTOR (STEERING COLUMN) CIRCUIT MALFUNCTION
B1375-13 TILT MOTOR (STEERING COLUMN) CIRCUIT MALFUNCTION
B137E-11 TELESCOPING MOTOR CIRCUIT MALFUNCTION
B137E-13 TELESCOPING MOTOR CIRCUIT MALFUNCTION
B13A9-19 GLOVE COMPARTMENT LIGHT CIRCUIT MALFUNCTION
B13BC-11 HEATED STEERING WHEEL UNIT INTERNAL MALFUNCTION
B13BC-13 HEATED STEERING WHEEL UNIT INTERNAL MALFUNCTION
B13BD-11 HEATED STEERING WHEEL UNIT INTERNAL MALFUNCTION
B13BD-13 HEATED STEERING WHEEL UNIT INTERNAL MALFUNCTION
B13BD-1C HEATED STEERING WHEEL CONTROL UNIT POWER SUPPLY CIRCUIT MALFUNCTION
B13BD-49 HEATED STEERING WHEEL CONTROL UNIT INTERNAL MALFUNCTION
B13BD-87 COMMUNICATION ERROR WITH HEATED STEERING WHEEL CONTROL UNIT
B14C9-23 TILT/TELESCOPING SWITCH (UP) CIRCUIT MALFUNCTION
B14CA-23 TILT/TELESCOPING SWITCH (DOWN) CIRCUIT MALFUNCTION
B14CE-11 SLIDE MOTOR CIRCUIT MALFUNCTION
B14CE-13 SLIDE MOTOR CIRCUIT MALFUNCTION
B14CF-11 RECLINER MOTOR CIRCUIT MALFUNCTION
B14CF-13 RECLINER MOTOR CIRCUIT MALFUNCTION
B14D0-11 TILT MOTOR (SEAT) CIRCUIT MALFUNCTION
B14D0-13 TILT MOTOR (SEAT) CIRCUIT MALFUNCTION
B14D2-11 LIFT MOTOR CIRCUIT MALFUNCTION
B14D2-13 LIFT MOTOR CIRCUIT MALFUNCTION
B1520-49 POSITION MEMORY CONTROL MODULE/SEAT WARMER CONTROL UNIT INTERNAL MALFUNCTION
B1520-54 SEAT POSITION INITIAL LEARNING OF POSITION MEMORY SYSTEM NOT IMPLEMENTED
B1520-87 COMMUNICATION ERROR WITH SEAT WARMER CONTROL UNIT
B1521-49 REAR SEAT WARMER CONTROL UNIT INTERNAL MALFUNCTION
B1521-87 COMMUNICATION ERROR WITH REAR SEAT WARMER CONTROL UNIT
B1526-49 REAR SEAT WARMER SWITCH INTERNAL MALFUNCTION
B1526-87 COMMUNICATION ERROR WITH REAR SEAT WARMER SWITCH
B1528-16 PTC HEATER LOW POWER SUPPLY VOLTAGE INPUT
B1528-17 PTC HEATER HIGH POWER SUPPLY VOLTAGE INPUT
B1528-1E PTC HEATER CIRCUIT MALFUNCTION
B1528-4B ABNORMAL PTC HEATER TEMPERATURE
B1528-86 ERROR SIGNAL RECEIVED FROM PTC HEATER
B1528-87 COMMUNICATION ERROR WITH PTC HEATER
B153D-23 TILT/TELESCOPING SWITCH (FRONT) CIRCUIT MALFUNCTION
B153E-23 TILT/TELESCOPING SWITCH (BACK) CIRCUIT MALFUNCTION
B153F-49 ELECTRIC TILT/TELESCOPING CONTROL UNIT INTERNAL MALFUNCTION
B153F-54 POSITION INITIAL LEARNING OF ELECTRIC TILT STEERING AND ELECTRIC TELESCOPIC STEERING IS NOT IMPLEMENTED
B153F-87 COMMUNICATION ERROR WITH ELECTRIC TILT/TELESCOPING CONTROL UNIT
B1547-00 REFRIGERANT PRESSURE SENSOR: NEGATIVE PRESSURE MALFUNCTION IN REFRIGERANT FOR COOLING VEHICLE INTERIOR
B1548-00 REFRIGERANT PRESSURE SENSOR: NEGATIVE PRESSURE MALFUNCTION IN REFRIGERANT FOR COOLING VEHICLE INTERIOR
B1549-00 PRESSURE SENSOR (LH/RH) SYSTEM: NEGATIVE PRESSURE MALFUNCTION IN REFRIGERANT FOR COOLING HIGH VOLTAGE BATTERY
B154B-00 PRESSURE MALFUNCTION IN REFRIGERANT PASSAGE IS DETERMINED
B1A61-11 PASSENGER COMPARTMENT TEMPERATURE SENSOR CIRCUIT MALFUNCTION
B1A61-15 PASSENGER COMPARTMENT TEMPERATURE SENSOR CIRCUIT MALFUNCTION
B1A63-86 ERROR SIGNAL RECEIVED FROM SOLAR RADIATION SENSOR
B1A64-86 ERROR SIGNAL RECEIVED FROM SOLAR RADIATION SENSOR
B1A69-86 ERROR SIGNAL RECEIVED FROM HUMIDITY SENSOR
B1B71-11 EVAPORATOR TEMPERATURE SENSOR CIRCUIT MALFUNCTION
B1B71-15 EVAPORATOR TEMPERATURE SENSOR CIRCUIT MALFUNCTION
B1B87-2A LIFT POSITION SENSOR CIRCUIT MALFUNCTION
B1B89-2A SLIDE POSITION SENSOR CIRCUIT MALFUNCTION
B1B91-2A TILT POSITION SENSOR (SEAT) CIRCUIT MALFUNCTION
B1B93-2A RECLINER POSITION SENSOR CIRCUIT MALFUNCTION
B1B94-23 LIFT SWITCH (UP) CIRCUIT MALFUNCTION
B1B95-23 LIFT SWITCH (DOWN) CIRCUIT MALFUNCTION
B1B96-23 SLIDE SWITCH (FRONT) CIRCUIT MALFUNCTION
B1B97-23 SLIDE SWITCH (BACK) CIRCUIT MALFUNCTION
B1B98-23 TILT SWITCH (UP) CIRCUIT MALFUNCTION
B1B99-23 TILT SWITCH (DOWN) CIRCUIT MALFUNCTION
B1C00-23 RECLINER SWITCH (FRONT) CIRCUIT MALFUNCTION
B1C01-23 RECLINER SWITCH (BACK) CIRCUIT MALFUNCTION
B1C1A-11 DRIVER-SIDE AIR MIX ACTUATOR (L.H.D.)/PASSENGER-SIDE AIR MIX ACTUATOR (R.H.D.) INTERNAL POTENTIOMETER CIRCUIT MALFUNCTION
B1C1A-12 DRIVER-SIDE AIR MIX ACTUATOR (L.H.D.)/PASSENGER-SIDE AIR MIX ACTUATOR (R.H.D.) INTERNAL POTENTIOMETER CIRCUIT MALFUNCTION
B1C1B-11 PASSENGER-SIDE AIR MIX ACTUATOR (L.H.D.)/DRIVER-SIDE AIR MIX ACTUATOR (R.H.D.) INTERNAL POTENTIOMETER CIRCUIT MALFUNCTION
B1C1B-12 PASSENGER-SIDE AIR MIX ACTUATOR (L.H.D.)/DRIVER-SIDE AIR MIX ACTUATOR (R.H.D.) INTERNAL POTENTIOMETER CIRCUIT MALFUNCTION
B1C1C-11 AIRFLOW MODE ACTUATOR INTERNAL POTENTIOMETER CIRCUIT MALFUNCTION
B1C1C-12 AIRFLOW MODE ACTUATOR INTERNAL POTENTIOMETER CIRCUIT MALFUNCTION
B2009-23 CLIMATE CONTROL UNIT OPERATION PANEL MALFUNCTION
B2009-92 COMMUNICATION ERROR WITH BODY CONTROL MODULE (BCM), DASH-ELECTRICAL SUPPLY UNIT, DOOR-ELECTRICAL SUPPLY UNIT OR PCM
P0D1D-00 EXPANSION VALVE WITH SOLENOID VALVE (A/C UNIT SIDE)/EXPANSION VALVE WITH SOLENOID VALVE (FRONT A/C UNIT SIDE) CIRCUIT MALFUNCTION
P0D1E-00 EXPANSION VALVE WITH SOLENOID VALVE (A/C UNIT SIDE)/EXPANSION VALVE WITH SOLENOID VALVE (FRONT A/C UNIT SIDE) CIRCUIT MALFUNCTION
U0076-00 MODULE COMMUNICATION ERROR (CAN BUS NO. 3)
U0100-00 COMMUNICATION ERROR WITH PCM
U010F-00 COMMUNICATION ERROR WITH A/C COMPRESSOR CONTROL MODULE
U0111-00 COMMUNICATION ERROR WITH BECM/MAZDA M HYBRID BOOST BATTERY
U0120-00 COMMUNICATION ERROR WITH DRIVE MOTOR CONTROL MODULE
U0121-00 COMMUNICATION ERROR WITH ELECTRONICALLY CONTROLLED BRAKE UNIT/DSC HU/CM
U0140-00 COMMUNICATION ERROR WITH BODY CONTROL MODULE (BCM)
U0151-00 COMMUNICATION ERROR WITH SAS CONTROL MODULE
U0401-00 ERROR SIGNAL RECEIVED FROM PCM
U0401-68 ERROR SIGNAL RECEIVED FROM PCM
U040A-00 ERROR SIGNAL RECEIVED FROM A/C COMPRESSOR CONTROL MODULE
U0412-68 ERROR SIGNAL RECEIVED FROM BECM/MAZDA M HYBRID BOOST BATTERY
U0415-00 ERROR SIGNAL RECEIVED FROM ELECTRONICALLY CONTROLLED BRAKE UNIT/DSC HU/CM
U0415-68 ERROR SIGNAL RECEIVED FROM ELECTRONICALLY CONTROLLED BRAKE UNIT/DSC HU/CM
U0422-68 ERROR SIGNAL RECEIVED FROM BODY CONTROL MODULE (BCM)
U0452-00 ERROR SIGNAL RECEIVED FROM SAS CONTROL MODULE
U0452-68 ERROR SIGNAL RECEIVED FROM SAS CONTROL MODULE
U210A-86 ERROR SIGNAL RECEIVED FROM HUMIDITY SENSOR
U212E-00 COMMUNICATION ERROR WITH DOOR-ELECTRICAL SUPPLY UNIT (DRIVER'S SIDE)
U2131-00 COMMUNICATION ERROR WITH ELECTRICAL SUPPLY UNIT (ESU)
U2133-00 COMMUNICATION ERROR WITH CLIMATE CONTROL UNIT
U213A-00 COMMUNICATION ERROR WITH DOOR-ELECTRICAL SUPPLY UNIT (PASSENGER'S SIDE)
U2300-54 CONFIGURATION DATA
U2300-55 CONFIGURATION DATA
U2300-56 CONFIGURATION DATA
U2300-64 CONFIGURATION DATA
U250E-00 ERROR SIGNAL RECEIVED FROM DOOR-ELECTRICAL SUPPLY UNIT (DRIVER'S SIDE)
U250E-68 ERROR SIGNAL RECEIVED FROM DOOR-ELECTRICAL SUPPLY UNIT (DRIVER'S SIDE)
U2511-00 ERROR SIGNAL RECEIVED FROM ELECTRICAL SUPPLY UNIT (ESU)
U2511-68 ERROR SIGNAL RECEIVED FROM ELECTRICAL SUPPLY UNIT (ESU)
U2513-00 ERROR SIGNAL RECEIVED FROM CLIMATE CONTROL UNIT
U2513-68 ERROR SIGNAL RECEIVED FROM CLIMATE CONTROL UNIT
U251A-00 ERROR SIGNAL RECEIVED FROM DOOR-ELECTRICAL SUPPLY UNIT (PASSENGER'S SIDE)
U251A-68 ERROR SIGNAL RECEIVED FROM DOOR-ELECTRICAL SUPPLY UNIT (PASSENGER'S SIDE)
U2648-16 CLIMATE CONTROL UNIT LOW POWER SUPPLY VOLTAGE INPUT
U2648-17 CLIMATE CONTROL UNIT HIGH POWER SUPPLY VOLTAGE INPUT
U264A-13 POWER SWITCH
U3003-16 DASH-ELECTRICAL SUPPLY UNIT LOW POWER SUPPLY VOLTAGE INPUT
U3003-17 DASH-ELECTRICAL SUPPLY UNIT HIGH POWER SUPPLY VOLTAGE INPUT
U300E-13 POWER SWITCH