Section 433 (Diagnostic Trouble Code Index DTC: Automatic Temperature Control Module (ATCM) -- Discovery Sport/L550)
WARNING: This page is about a different car, the 2018 Land Rover Discovery Sport, 2017 Land Rover Discovery Sport, 2016 Land Rover Discovery Sport, and 2015 Land Rover Discovery Sport. However, it is still accessible from the selected car via links, so may be relevant.
- Diagnostic Trouble Code Index DTC: Automatic Temperature Control Module (ATCM)
- Description And Operation
- Automatic Temperature Control Module (ATCM)
- DTC B102A-11: Flame Sensor - Circuit short to ground
- DTC B102A-15: Flame Sensor - Circuit short to battery or open
- DTC B102A-64: Flame Sensor - Signal plausibility failure
- DTC B102E-09: Air Quality Sensor - Component failures
- DTC B102E-11: Air Quality Sensor - Circuit short to ground
- DTC B102E-15: Air Quality Sensor - Circuit short to battery or open
- DTC B1030-09: Left Front Seat Heater - Component failures
- DTC B1030-4B: Left Front Seat Heater - Over temperature
- DTC B1030-87: Left Front Seat Heater - Missing message
- DTC B1031-09: Left Rear Seat Heater - Component failures
- DTC B1031-4B: Left Rear Seat Heater - Over temperature
- DTC B1031-87: Left Rear Seat Heater - Missing message
- DTC B1032-09: Right Front Seat Heater - Component failures
- DTC B1032-4B: Right Front Seat Heater - Over temperature
- DTC B1032-87: Right Front Seat Heater - Missing message
- DTC B1033-09: Right Rear Seat Heater - Component failures
- DTC B1033-4B: Right Rear Seat Heater - Over temperature
- DTC B1033-87: Right Rear Seat Heater - Missing message
- DTC B1034-01: Left Front Seat Heater Element - General electrical failure
- DTC B1035-01: Left Rear Seat Heater Element - General electrical failure
- DTC B1036-01: Right Front Seat Heater Element - General electrical failure
- DTC B1037-01: Right Rear Seat Heater Element - General electrical failure
- DTC B1038-01: Left Front Seat Heater Sensor - General electrical failure
- DTC B1039-01: Left Rear Seat Heater Sensor - General electrical failure
- DTC B103A-01: Right Front Seat Heater Sensor - General electrical failure
- DTC B103B-01: Right Rear Seat Heater Sensor - General electrical failure
- DTC B103F-87: Rear Seat Heater Control - Missing message
- DTC B105A-11: Cabin Temperature Sensor Fan - Circuit short to ground
- DTC B105A-15: Cabin Temperature Sensor Fan - Circuit short to battery or open
- DTC B105A-71: Cabin Temperature Sensor Fan - Actuator stuck
- DTC B1081-09: Left Temperature Damper Motor - Component failures
- DTC B1081-77: Left Temperature Damper Motor - Commanded position not reachable
- DTC B1081-87: Left Temperature Damper Motor - Missing message
- DTC B1082-09: Right Temperature Damper Motor - Component failures
- DTC B1082-77: Right Temperature Damper Motor - Commanded position not reachable
- DTC B1082-87: Right Temperature Damper Motor - Missing message
- DTC B1083-09: Recirculation Damper Motor - Component failures
- DTC B1083-77: Recirculation Damper Motor - Commanded position not reachable
- DTC B1083-87: Recirculation Damper Motor - Missing message
- DTC B1085-09: Defroster Damper Motor - Component failures
- DTC B1085-77: Defroster Damper Motor - Commanded position not reachable
- DTC B1085-87: Defroster Damper Motor - Missing message
- DTC B1086-09: Air Distribution Damper Motor - Component failures
- DTC B1086-77: Air Distribution Damper Motor - Commanded position not reachable
- DTC B1086-87: Air Distribution Damper Motor - Missing message
- DTC B1087-4A: LIN Bus "A" - Incorrect component installed
- DTC B1087-54: LIN Bus "A" - Missing calibration
- DTC B1087-83: LIN Bus "A" - Value of signal protection calculation incorrect
- DTC B1087-86: LIN Bus "A" - Signal invalid
- DTC B1087-88: LIN Bus "A" - Bus off
- DTC B1088-4A: LIN Bus "B" - Incorrect component installed
- DTC B1088-54: LIN Bus "B" - Missing calibration
- DTC B1088-83: LIN Bus "B" - Value of signal protection calculation incorrect
- DTC B1088-86: LIN Bus "B" - Signal invalid
- DTC B1088-87: LIN Bus "B" - Missing message
- DTC B1088-88: LIN Bus "B" - Bus off
- DTC B10B9-11: Blower Control - Circuit short to ground
- DTC B10B9-12: Blower Control - Circuit short to battery
- DTC B10B9-13: Blower Control - Circuit open
- DTC B10B9-14: Blower Control - Circuit short to ground or open
- DTC B10BA-11: Rear Blower Control - Circuit short to ground
- DTC B10BE-11: Solar Sensor - Circuit short to ground
- DTC B10BE-15: Solar Sensor - Circuit short to battery or open
- DTC B10EA-11: Positive Temperature Coefficient Heater - Circuit short to ground
- DTC B10EA-12: Positive Temperature Coefficient Heater - Circuit short to battery
- DTC B10EA-13: Positive Temperature Coefficient Heater - Circuit open
- DTC B10EA-14: Positive Temperature Coefficient Heater - Circuit short to ground or open
- DTC B10EA-15: Positive Temperature Coefficient Heater - Circuit short to battery or open
- DTC B11D1-4A: LIN Bus "C" - Incorrect component installed
- DTC B11D1-54: LIN Bus "C" - Missing calibration
- DTC B11D1-83: LIN Bus "C" - Value of signal protection calculation incorrect
- DTC B11D1-86: LIN Bus "C" - Signal invalid
- DTC B11D1-88: LIN Bus "C" - Bus off
- DTC B12B9-16: Auxiliary Heater Control Module - Circuit voltage below threshold
- DTC B12B9-17: Auxiliary Heater Control Module - Circuit voltage above threshold
- DTC B12B9-1C: Auxiliary Heater Control Module - Circuit voltage out of range
- DTC B12B9-49: Auxiliary Heater Control Module - Internal electronic failure
- DTC B12B9-4B: Auxiliary Heater Control Module - Over temperature
- DTC B12B9-57: Auxiliary Heater Control Module - Invalid/incomplete software component
- DTC B12B9-87: Auxiliary Heater Control Module - Missing message
- DTC B13C2-49: Front Windscreen/Windshield Misting Sensor - Internal electronic failure
- DTC B13C2-87: Front Windscreen/Windshield Misting Sensor - Missing message
- DTC B1406-87: Park Heater Remote Receiver Module - Missing message
- DTC B1406-88: Park Heater Remote Receiver Module - Bus off
- DTC B1406-96: Park Heater Remote Receiver Module - Component internal failure
- DTC B1414-11: Left Front Cooled/Heated Seat Module Blower #2 Motor Speed Control - Circuit short to ground
- DTC B1414-12: Left Front Cooled/Heated Seat Module Blower #2 Motor Speed Control - Circuit short to battery
- DTC B1415-49: Left Front Cooled/Heated Seat Control Module - Internal electronic failure
- DTC B1415-55: Left Front Cooled/Heated Seat Control Module - Not configured
- DTC B1415-87: Left Front Cooled/Heated Seat Control Module - Missing message
- DTC B1415-93: Left Front Cooled/Heated Seat Control Module - No operation
- DTC B1416-11: Left Front Cooled/Heated Seat Thermal Electric Device #2 Temperature Sensor - Circuit short to ground
- DTC B1416-15: Left Front Cooled/Heated Seat Thermal Electric Device #2 Temperature Sensor - Circuit short to battery or open
- DTC B1417-11: Left Front Cooled/Heated Seat Thermal Electric Device #1 Temperature Sensor - Circuit short to ground
- DTC B1417-15: Left Front Cooled/Heated Seat Thermal Electric Device #1 Temperature Sensor - Circuit short to battery or open
- DTC B1418-49: Right Front Cooled/Heated Seat Control Module - Internal electronic failure
- DTC B1418-55: Right Front Cooled/Heated Seat Control Module - Not configured
- DTC B1418-87: Right Front Cooled/Heated Seat Control Module - Missing message
- DTC B1418-93: Right Front Cooled/Heated Seat Control Module - No operation
- DTC B141B-11: Right Front Cooled/Heated Seat Thermal Electric Device #2 Temperature Sensor - Circuit short to ground
- DTC B141B-15: Right Front Cooled/Heated Seat Thermal Electric Device #2 Temperature Sensor - Circuit short to battery or open
- DTC B141C-11: Right Front Cooled/Heated Seat Thermal Electric Device #1 Temperature Sensor - Circuit short to ground
- DTC B141C-15: Right Front Cooled/Heated Seat Thermal Electric Device #1 Temperature Sensor - Circuit short to battery or open
- DTC B1421-11: Left Front Cooled/Heated Seat Thermal Electric Device #2 - Circuit short to ground
- DTC B1421-12: Left Front Cooled/Heated Seat Thermal Electric Device #2 - Circuit short to battery
- DTC B1421-13: Left Front Cooled/Heated Seat Thermal Electric Device #2 - Circuit open
- DTC B1421-4B: Left Front Cooled/Heated Seat Thermal Electric Device #2 - Over temperature
- DTC B1422-11: Left Front Cooled/Heated Seat Thermal Electric Device #1 - Circuit short to ground
- DTC B1422-12: Left Front Cooled/Heated Seat Thermal Electric Device #1 - Circuit short to battery
- DTC B1422-13: Left Front Cooled/Heated Seat Thermal Electric Device #1 - Circuit open
- DTC B1422-4B: Left Front Cooled/Heated Seat Thermal Electric Device #1 - Over temperature
- DTC B1423-11: Left Front Cooled/Heated Seat Module Blower #1 Motor Speed Control - Circuit short to ground
- DTC B1423-12: Left Front Cooled/Heated Seat Module Blower #1 Motor Speed Control - Circuit short to battery
- DTC B1424-11: Left Front Cooled/Heated Seat Module Blower Motor Power - Circuit short to ground
- DTC B1424-15: Left Front Cooled/Heated Seat Module Blower Motor Power - Circuit short to battery or open
- DTC B1425-11: Right Front Cooled/Heated Seat Thermal Electric Device #2 - Circuit short to ground
- DTC B1425-12: Right Front Cooled/Heated Seat Thermal Electric Device #2 - Circuit short to battery
- DTC B1425-13: Right Front Cooled/Heated Seat Thermal Electric Device #2 - Circuit open
- DTC B1425-4B: Right Front Cooled/Heated Seat Thermal Electric Device #2 - Over temperature
- DTC B1426-11: Right Front Cooled/Heated Seat Thermal Electric Device #1 - Circuit short to ground
- DTC B1426-12: Right Front Cooled/Heated Seat Thermal Electric Device #1 - Circuit short to battery
- DTC B1426-13: Right Front Cooled/Heated Seat Thermal Electric Device #1 - Circuit open
- DTC B1426-4B: Right Front Cooled/Heated Seat Thermal Electric Device #1 - Over temperature
- DTC B1427-11: Right Front Cooled/Heated Seat Module Blower Motor Power - Circuit short to ground
- DTC B1427-15: Right Front Cooled/Heated Seat Module Blower Motor Power - Circuit short to battery or open
- DTC B1428-11: Right Front Cooled/Heated Seat Module Blower #1 Motor Speed Control - Circuit short to ground
- DTC B1428-12: Right Front Cooled/Heated Seat Module Blower #1 Motor Speed Control - Circuit short to battery
- DTC B1429-11: Right Front Cooled/Heated Seat Module Blower #2 Motor Speed Control - Circuit short to ground
- DTC B1429-12: Right Front Cooled/Heated Seat Module Blower #2 Motor Speed Control - Circuit short to battery
- DTC B14E3-11: Screen Surround Left Switch Pack Variant Detection Circuit - Circuit short to ground
- DTC B14E3-12: Screen Surround Left Switch Pack Variant Detection Circuit - Circuit short to battery
- DTC B14E4-11: Screen Surround Right Switch Pack Variant Detection Circuit - Circuit short to ground
- DTC B14E4-12: Screen Surround Right Switch Pack Variant Detection Circuit - Circuit short to battery
- DTC B1A59-11: Sensor 5 Volt Supply - Circuit short to ground
- DTC B1A59-12: Sensor 5 Volt Supply - Circuit short to battery
- DTC B1A61-11: Cabin Temperature Sensor - Circuit short to ground
- DTC B1A61-15: Cabin Temperature Sensor - Circuit short to battery or open
- DTC B1B71-11: Evaporator Temperature Sensor - Circuit short to ground
- DTC B1B71-15: Evaporator Temperature Sensor - Circuit short to battery or open
- DTC B1B72-11: LIN Bus #1 Power Supply Circuit - Circuit short to ground
- DTC B1B72-12: LIN Bus #1 Power Supply Circuit - Circuit short to battery
- DTC B1B72-13: LIN Bus #1 Power Supply Circuit - Circuit open
- DTC B1B81-11: Rear Evaporator Temperature Sensor - Circuit short to ground
- DTC B1B81-12: Rear Evaporator Temperature Sensor - Circuit short to battery
- DTC B1C0B-11: Rear Refrigerant Magnetic Valve - Circuit short to ground
- DTC B1C0B-12: Rear Refrigerant Magnetic Valve - Circuit short to battery
- DTC B1D22-13: Coolant Temperature Sensor - Circuit open
- DTC B1D22-4B: Coolant Temperature Sensor - Over temperature
- DTC B1D23-11: Overheat Sensor - Circuit short to ground
- DTC B1D23-15: Overheat Sensor - Circuit short to battery or open
- DTC B1D23-85: Overheat Sensor - Signal above allowable range
- DTC B1D24-11: Glow Plug - Circuit short to ground
- DTC B1D24-13: Glow Plug - Circuit open
- DTC B1D24-1B: Glow Plug - Circuit resistance above threshold
- DTC B1D24-64: Glow Plug - Signal plausibility failure
- DTC B1D25-11: Heater Fuel Pump - Circuit short to ground
- DTC B1D25-12: Heater Fuel Pump - Circuit short to battery
- DTC B1D25-13: Heater Fuel Pump - Circuit open
- DTC B1D26-11: Combustion Air Blower - Circuit short to ground
- DTC B1D26-12: Combustion Air Blower - Circuit short to battery
- DTC B1D26-13: Combustion Air Blower - Circuit open
- DTC B1D26-71: Combustion Air Blower - Actuator stuck
- DTC B1D27-11: Heater Coolant Pump - Circuit short to ground
- DTC B1D27-12: Heater Coolant Pump - Circuit short to battery
- DTC B1D27-13: Heater Coolant Pump - Circuit open
- DTC B1D27-7B: Heater Coolant Pump - Insufficient coolant flow
- DTC B1D29-93: No Start, Even After Restart Attempt - No operation
- DTC B1D33-92: Flame Interruption During Normal Operation - Performance or incorrect operation
- DTC B1D34-66: Heater In Lock Out Mode - Signal has too many transitions/events
- DTC P0530-11: A/C Refrigerant Pressure Sensor A Circuit - Circuit short to ground
- DTC P0530-15: A/C Refrigerant Pressure Sensor A Circuit - Circuit short to battery or open
- DTC P06A2-11: Variable A/C Compressor Control Circuit High - Circuit short to ground
- DTC P06A2-12: Variable A/C Compressor Control Circuit High - Circuit short to battery
- DTC P06A2-13: Variable A/C Compressor Control Circuit High - Circuit open
- DTC P1308-11: A/C Clutch Circuit - Circuit short to ground
- DTC P1308-12: A/C Clutch Circuit - Circuit short to battery
- DTC U0001-82: High Speed CAN Communication Bus - Alive/sequence counter incorrect/not updated
- DTC U0001-87: High Speed CAN Communication Bus - Missing message
- DTC U0001-88: High Speed CAN Communication Bus - Bus off
- DTC U0028-00: Vehicle Communication Bus A - No Sub type information
- DTC U0028-48: Vehicle Communication Bus A - Supervision software failure
- DTC U0037-88: Vehicle Communication Bus B - Bus off
- DTC U0073-08: Control Module Communication Bus "A" Off - Bus signal/message failures
- DTC U0073-87: Control Module Communication Bus "A" Off - Missing message
- DTC U0073-88: Control Module Communication Bus "A" Off - Bus off
- DTC U0140-00: Lost Communication With Body Control Module - No sub type information
- DTC U0165-4A: Lost Communication With HVAC Control Module - Rear - Incorrect component installed
- DTC U0165-87: Lost Communication With HVAC Control Module - Rear - Missing message
- DTC U0300-00: Internal Control Module Software Incompatibility - No sub type information
- DTC U0300-48: Internal Control Module Software Incompatibility - Supervision software failure
- DTC U1000-00: Solid State Driver Protection Activated - Driver Disabled - No sub type information
- DTC U2002-23: Switch - Signal stuck low
- DTC U2016-48: Control Module Main Software - Supervision software failure
- DTC U2101-56: Control Module Configuration Incompatible - Invalid/incomplete configuration
- DTC U2105-11: Switch Pack Signal "A" - Circuit short to ground
- DTC U2105-12: Switch Pack Signal "A" - Circuit short to battery
- DTC U2105-4A: Switch Pack Signal "A" - Incorrect component installed
- DTC U2106-11: Switch Pack Signal "B" - Circuit short to ground
- DTC U2106-12: Switch Pack Signal "B" - Circuit short to battery
- DTC U2106-4A: Switch Pack Signal "B" - Incorrect component installed
- DTC U2300-01: Central Configuration - General electrical failure
- DTC U2300-54: Central Configuration - Missing calibration
- DTC U2300-55: Central Configuration - Not configured
- DTC U2300-56: Central Configuration - Invalid/incomplete configuration
- DTC U3000-41: Control Module - General checksum failure
- DTC U3000-44: Control Module - Data memory failure
- DTC U3003-62: Battery Voltage - Signal compare failure
- Description And Operation