Climate Control Module (HVAC): DTC's

DTC	Description	Possible Causes	Action
P0530-11	A/C Refrigerant Pressure Sensor A Circuit - circuit short to ground	A/C refrigerant pressure sensor circuit short to ground A/C refrigerant pressure sensor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check A/C refrigerant pressure sensor circuit for short to ground. Check and install a new A/C refrigerant pressure sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
P0530-15	A/C Refrigerant Pressure Sensor A Circuit - circuit short to battery or open	A/C refrigerant pressure sensor circuit short to power, open circuit A/C refrigerant pressure sensor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check A/C refrigerant pressure sensor circuit for short to power, open circuit. Check and install a new A/C refrigerant pressure sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
P0645-11	A/C Clutch Relay Control Circuit - Circuit short to ground	A/C clutch relay control circuit short to ground	Refer to the electrical circuit diagrams and check A/C clutch relay control circuit for short to ground
C1B14-13	Sensor Supply Voltage A - circuit open	Fresh - Recirculated air mode motor circuit short to ground, open circuit Fresh - Recirculated air mode motor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check Fresh - Recirculated air mode motor circuit for short to ground, open circuit. Check and install a new Fresh - Recirculated air mode motor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
C1B15-13	Sensor Supply Voltage B - circuit open	Fresh - Recirculated air mode motor circuit open circuit Evaporator sensor circuit open circuit Fresh - Recirculated air mode motor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check Fresh - Recirculated air mode motor circuit for open circuit. Refer to the electrical circuit diagrams and check evaporator sensor circuit for open circuit. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures infromation if a module is suspect
B1030-01	Left Front Seat Heater - General Electrical Failure	Left front seat heater circuit short to ground, short to power, open circuit Left front seat heater element(s) failure Left front seat heater thermistor failure Left front heated seat module failure Climate Control Module failure	Refer to the electrical circuit diagrams and check left front seat heater circuit for short to ground, short to power, open circuit. Check and install a new left front seat heater element as required. Check and install a new left front heated seat module as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures inforamtion if a module is suspect
B1030-4B	Left Front Seat Heater - over temperature	Left front seat heater thermistor failure Left front heated seat module failure Climate Control Module failure	Check and install a new left front heater element as required. Check and install a new left front heated seat module as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures inforamtion if a module is suspect
B1030-87	Left Front Seat Heater - missing message	Left front seat heater LIN circuit short to ground, short to power, open circuit Left front heated seat module failure Climate Control Module failure	Refer to the electrical circuit diagrams and check left front seat heater LIN circuit for short to ground, short to power, open circuit. Check and install a new left front heated seat module as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1032-01	Right Front Seat Heater - General Electrical Failure	Right front seat heater circuit short to ground, short to power, open circuit Right front seat heater element(s) failure Right front seat heater thermistor failure Right front heated seat module failure Climate Control Module failure	Refer to the electrical circuit diagrams and check right front seat heater circuit for short to ground, short to power, open circuit. Check and install a new right front seat heater element as required. Check and install a new right front heated seat module as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1032-4B	Right Front Seat Heater - over temperature	Right front seat heater thermistor failure Right front heated seat module failure Climate Control Module failure	Check and install a new right front heater element as required. Check and install a new right front heated seat module as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1032-87	Right Front Seat Heater - missing message	Right front seat heater LIN circuit short to ground, short to power, open circuit Right front heated seat module failure Climate Control Module failure	Refer to the electrical circuit diagrams and check right front seat heater LIN circuit for short to ground, short to power, open circuit. Check and install a new right front heated seat module as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1034-01	Left Front Seat Heater Element - General Electrical Failure	Left front seat heater circuit short to ground, short to power, open circuit Left front seat heater element failure Left front heated seat module failure Climate Control Module failure	Refer to the electrical circuit diagrams and check left front seat heater circuit for short to ground, short to power, open circuit. Check and install a new left front seat heater element as required. Check and install a new left front heated seat module as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1036-01	Right Front Seat Heater Element - General Electrical Failure	Right front seat heater circuit short to ground, short to power, open circuit Right front seat heater element failure Right front heated seat module failure Climate Control Module failure	Refer to the electrical circuit diagrams and check right front seat heater circuit for short to ground, short to power, open circuit. Check and install a new right front seat heater element as required. Check and install a new right front heated seat module as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1038-01	Left Front Seat Heater Sensor - General Electrical failure	Left front seat heater circuit short to ground, short to power, open circuit Left front seat heater sensor failure Left front heated seat module failure Climate Control Module failure	Refer to the electrical circuit diagrams and check left front seat heater circuit for short to ground, short to power, open circuit. Check and install a new right front seat heater as required. Check and install a new left front heated seat module as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B103A-01	Right Front Seat Heater Sensor - General Electrical failure	Right front seat heater circuit short to ground, short to power, open circuit Right front seat heater sensor failure Right front heated seat module failure Climate Control Module failure	Refer to the electrical circuit diagrams and check right front seat heater circuit for short to ground, short to power, open circuit. Check and install a new right front seat heater as required. Check and install a new right front heated seat module as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1081-00	Left Temperature Damper Motor - no sub type information	Foreign object obstructing left hand temperature distribution door Left hand temperature distribution motor circuit short to ground, short to power, open circuit Damaged left hand temperature distribution door Left hand temperature distribution motor failure	Check and remove any obstruction in left hand temperature distribution door. Refer to the electrical circuit diagrams and check left hand temperature distribution motor circuit for short to ground, short to power, open circuit. Check and install a new left hand temperature distribution door as required. Check and install a new left hand temperature distribution motor as required. Refer to the warranty policy and procedures information if a module is suspect
B1081-49	Left Temperature Damper Motor - internal electronic failure	Left hand temperature distribution motor failure	Check and install a new left hand temperature distribution motor as required. Refer to the warranty policy and procedures information if a module is suspect
B1082-00	Right Temperature Damper Motor - no sub type information	Foreign object obstructing right hand temperature distribution door Right hand temperature distribution motor circuit short to ground, short to power, open circuit Damaged right hand temperature distribution door Right hand temperature distribution motor failure	Check and remove any obstruction in right hand temperature distribution door. Refer to the electrical circuit diagrams and check right hand temperature distribution motor circuit for short to ground, short to power, open circuit. Check and install a new right hand temperature distribution door as required. Check and install a new right hand temperature distribution motor as required. Refer to the warranty policy and procedures information if a module is suspect
B1082-49	Right Temperature Damper Motor - internal electronic failure	Right hand temperature distribution motor failure	Check and install a new right hand temperature distribution motor as required. Refer to the warranty policy and procedures information if a module is suspect
B1083-01	Recirculation Damper Motor - General Electrical Failure	Recirculation motor circuit short to ground, short to power, open circuit Recirculation motor jammed Recirculation motor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check recirculation motor circuit for short to power, open circuit. Check recirculation motor has not jammed or been obstructed. Check and install a new recirculation motor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1085-00	Defroster Damper Motor - no sub type information	Foreign object obstructing windshield distribution door Windshield distribution motor circuit short to ground, short to power, open circuit Damaged windshield distribution door Windshield distribution motor failure	Check and remove any obstruction in windshield distribution door. Refer to the electrical circuit diagrams and check windshield distribution motor circuit for short to ground, short to power, open circuit. Check and install a new windshield distribution door as required. Check and install a new windshield distribution motor as required. Refer to the warranty policy and procedures information if a module is suspect
B1085-49	Defroster Damper Motor - internal electronic failure	Windshield distribution motor failure	Check and install a new windshield distribution motor as required. Refer to the warranty policy and procedures information if a module is suspect
B1086-00	Air Distribution Damper Motor - no sub type information	Foreign object obstructing face and feet distribution door Face and feet distribution motor circuit short to ground, short to power, open circuit Damaged face and feet distribution door Face and feet distribution motor failure	Check and remove any obstruction in face and feet distribution door. Refer to the electrical circuit diagrams and check face and feet distribution motor circuit for short to ground, short to power, open circuit. Check and install a new face and feet distribution door as required. Check and install a new face and feet distribution motor as required. Refer to the warranty policy and procedures information if a module is suspect
B1086-49	Air Distribution Damper Motor - internal electronic failure	Face and feet distribution motor failure	Check and install a new face and feet distribution motor as required. Refer to the warranty policy and procedures information if a module is suspect
B1087-88	LIN Bus "A" - bus off	LIN bus "A" circuit short to ground, short to power, high resistance, open circuit All front actuators failed Climate Control Module failure	Refer to the electrical circuit diagrams and check LIN bus "A" circuit for short to ground, short to power, high resistance, open circuit. Check and install new front actuators as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1088-88	LIN Bus "B" - bus off	LIN bus "B" circuit short to ground, short to power, high resistance, open circuit All rear actuators failed Climate Control Module failure	Refer to the electrical circuit diagrams and check LIN bus "B" circuit for short to ground, short to power, high resistance, open circuit. Check and install new rear actuators as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B10BE-11	Solar Sensor - circuit short to ground	Solar sensor circuit short to ground Solar sensor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check solar sensor circuit for short to ground. Check and install a new solar sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B11EE-01	A/C Air supply unit - General Electrical Failure	Refrigerant solenoid valve circuit short to ground, short to each other Refrigerant solenoid valve failure Climate Control Module failure	Refer to the electrical circuit diagrams and check refrigerant solenoid valve circuit for short to ground, short to each other. Check and install a new refrigerant solenoid valve as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B11F0-11	Air Intake Damper Position Sensor - circuit short to ground	Recirculation motor circuit short to ground Recirculation motor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check recirculation motor circuit for short to ground. Check and install a new recirculation motor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures inforamtion if a module is suspect
B11F0-15	Air Intake Damper Position Sensor - circuit short to battery or open	Recirculation motor circuit short to power, open circuit Recirculation motor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check recirculation motor circuit for short to power, open circuit. Check and install a new recirculation motor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures inforamtion if a module is suspect
B11FF-84	A/C Refrigerant Pressure - signal below allowable range	Insufficient refrigerant in system Refrigerant pressure sensor failure Climate Control Module failure	Using the manufacturer approved diagnostic system, datalogger. Check and review Climate control system / Air conditioning / External ambient temperature. If External ambient temperature is less than (plus) 5 °C this DTC should be ignored and cleared. If External ambient temperature shows greater than (plus) 5 °C check the refrigerant system using a suitable charging station. Check and install a new refrigerant pressure sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures inforamtion if a module / component is suspect
B11FF-85	A/C Refrigerant Pressure - signal above allowable range	Excessive refrigerant in system Blockage in air conditioning system pipework or condenser Air conditioning fan inoperative Refrigerant pressure sensor failure Climate Control Module failure	Check the refrigerant system using a suitable charging station. Check the condenser and pipework for damage or restriction. Check and install a new Refrigerant pressure sensor as required. Check the air conditioning fan for correct operation. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures inforamtion if a module / component is suspect
B12B2-11	AUX Heater Coolant Diverter Valve - circuit short to ground	Auxiliary heater coolant diverter valve circuit short to ground Auxiliary heater coolant diverter valve failure Climate Control Module failure	Refer to the electrical circuit diagrams and check Auxiliary heater coolant diverter valve circuit for short to ground. Check and install a new Auxiliary heater coolant diverter valve as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1A59-11	Sensor 5 Volt Supply - circuit short to ground	Sensor 5 volt supply circuit short to ground Refrigerant pressure sensor failure Fresh - Recirculated air mode motor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check sensor 5 volt supply circuit for short to ground. Check and install a new Refrigerant pressure sensor as required. Check and install a new Fresh - Recirculated air mode motor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1A59-13	Sensor 5 Volt Supply - circuit open	Sensor 5 volt supply circuit open circuit Refrigerant pressure sensor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check sensor 5 volt supply circuit for open circuit. Check and install a new Refrigerant pressure sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1A60-11	Pollution Sensor - Hydrocarbon - circuit short to ground	Air quality sensor circuit short to ground Air quality sensor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check air quality sensor circuit for short to ground. Check and install a new air quality sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1A61-11	Cabin Temperature Sensor - circuit short to ground	Cabin temperature sensor circuit short to ground Cabin temperature sensor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check cabin temperature sensor circuit for short to ground. Check and install a new cabin temperature sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1A61-15	Cabin Temperature Sensor - circuit short to battery or open	Cabin temperature sensor circuit short to power, open circuit Cabin temperature sensor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check cabin temperature sensor circuit for short to power, open circuit. Check and install a new cabin temperature sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1A63-11	Right Solar Sensor - circuit short to ground	Right solar sensor circuit short to ground Right solar sensor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check right solar sensor circuit for short to ground. Check and install a new solar sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1A64-11	Left Solar Sensor - circuit short to ground	Left solar sensor circuit short to ground Left solar sensor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check left solar sensor circuit for short to ground. Check and install a new solar sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1A67-13	Sensor Ground - circuit open	Sensor(s) ground circuit open circuit Climate Control Module failure	Refer to the electrical circuit diagrams and check sensor circuit for open circuit. DTCs B1A61-15, B1A59-13 and P0530-15 will also be logged. Check and install a new Climate Control Module as required. Refer to the new module/component installation note at the top of the DTC Index.
B1A69-11	Humidity Sensor -circuit short to ground	Humidity sensor circuit short to ground Humidity sensor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check humidity sensor circuit for short to ground. Check and install a new combined cabin temperature & humidity sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1A69-15	Humidity Sensor - circuit short to battery or open	Humidity sensor circuit short to power, open circuit Humidity sensor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check humidity sensor circuit for short to power, open circuit. Check and install a new combined cabin temperature & humidity sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures informaiton if a module is suspect
B1B62-11	Pollution Sensor - NOx - circuit short to ground	Air quality sensor circuit short to ground Air quality sensor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check air quality sensor circuit for short to ground. Check and install a new air quality sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1B71-11	Evaporator Temperature Sensor - circuit short to ground	Evaporator temperature sensor circuit short to ground Evaporator temperature sensor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check evaporator temperature sensor circuit for short to ground. Check and install a new evaporator temperature sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1B71-15	Evaporator Temperature Sensor - circuit short to battery or open	Evaporator temperature sensor circuit short to power, open circuit Evaporator temperature sensor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check evaporator temperature sensor circuit for short to power, open circuit. Check and install a new evaporator temperature sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1B72-11	LIN Bus #1 Power Supply Circuit - circuit short to ground	LIN bus 1 circuit short to ground Face and feet distribution motor failure Windshield distribution motor failure Left hand temperature distribution motor failure Right hand temperature distribution motor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check LIN bus 1 circuit for short to ground. Check and install a new face and feet distribution motor as required. Check and install a new windshield distribution motor as required. Check and install a new left hand temperature distribution motor as required. Check and install a new right hand temperature distribution motor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1B73-11	LIN Bus #2 Power Supply Circuit - circuit short to ground	LIN bus 2 circuit short to ground Rear air distribution motor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check LIN bus 2 circuit for short to ground. Check and install a new rear air distribution motor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1B7B-00	Left Rear Air Blend Actuator - no sub type information	LIN bus 2 circuit short to ground, power, open circuit Foreign object obstructing rear temperature distribution door Rear temperature distribution motor circuit short to ground, short to power, open circuit Damaged rear temperature distribution door Rear temperature distribution motor failure	Refer to the electrical circuit diagrams and check LIN bus 2 circuit for short to ground, short to power, open circuit. Check and remove any obstruction in rear temperature distribution door. Refer to the electrical circuit diagrams and check rear temperature distribution motor circuit for short to ground, short to power, open circuit. Check and install a new rear temperature distribution door as required. Check and install a new rear temperature distribution motor as required. Refer to the warranty policy and procedures information if a module is suspect
B1B7B-49	Left Rear Air Blend Actuator - internal electronic failure	Rear temperature distribution motor failure	Check and install a new rear temperature distribution motor as required. Refer to the warranty policy and procedures information if a module is suspect
B1B7D-00	Rear Air Distribution Actuator - no sub type information	LIN bus 2 circuit short to ground, power, open circuit Foreign object obstructing rear air distribution door Rear air distribution motor circuit short to ground, short to power, open circuit Damaged rear air distribution door Rear air distribution motor failure	Refer to the electrical circuit diagrams and check LIN bus 2 circuit for short to ground, short to power, open circuit. Check and remove any obstruction in rear air distribution door. Refer to the electrical circuit diagrams and check rear air distribution motor circuit for short to ground, short to power, open circuit. Check and install a new rear air distribution door as required. Check and install a new rear air distribution motor as required. Refer to the warranty policy and procedures information if a module is suspect
B1B7D-49	Rear Air Distribution Actuator - internal electronic failure	Rear air distribution motor failure	Check and install a new rear distribution motor as required. Refer to the warranty policy and procedures information if a module is suspect
B1B81-11	Rear Evaporator Temperature Sensor - circuit short to ground	Rear evaporator temperature sensor circuit short to ground Rear evaporator temperature sensor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check rear evaporator temperature sensor circuit for short to ground. Check and install a new rear evaporator temperature sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1B81-15	Rear Evaporator Temperature Sensor - circuit short to battery or open	Rear evaporator temperature sensor circuit short to power, open circuit Rear evaporator temperature sensor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check rear evaporator temperature sensor circuit for short to power, open circuit. Check and install a new rear evaporator temperature sensor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
B1C0A-88	Rear Control panel - bus off	LIN bus 2 circuit short to ground, short to power, open circuit Rear air distribution motor failure Rear temperature distribution motor failure Climate Control Module failure	Refer to the electrical circuit diagrams and check LIN bus 2 circuit for short to ground, short to power, open circuit. Check and install a new rear air distribution motor as required. Check and install a new rear air temperature motor as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
U0010-88	Medium Speed CAN Communication Bus - bus off	CAN circuit short to ground, short to power, open circuit Climate Control Module failure	Refer to the electrical circuit diagrams and check the power and ground connections to the module. Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the electrical circuit diagrams and check the CAN network. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
U0140-87	Lost Communication With Body Control Module - missing message	Lost communication with Central Junction Box CAN circuit short to ground, short to power, open circuit Central Junction Box failure Climate Control Module failure	Refer to the electrical circuit diagrams and check the power and ground connections to the module. Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the electrical circuit diagrams and check the CAN network. Check and install a new Central Junction Box as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
U0166-87	Lost Communication With Auxiliary Heater Control Module - missing message	Lost communication with Fuel Fired Booster Heater Module CAN circuit short to ground, short to power, open circuit Fuel Fired Booster Heater Module failure Central Junction Box failure Climate Control Module failure	Refer to the electrical circuit diagrams and check the power and ground connections to the module. Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the electrical circuit diagrams and check the CAN network. Check and install a new Fuel Fired Booster Heater Module as required. Check and install a new Central Junction Box as required. Check and install a new Climate Control Module as required. Refer to the warranty policy and procedures information if a module is suspect
U0256-87	Lost Communication With Front Controls Interface Module "A" - missing message	Lost communication with Front Integrated Control Panel CAN circuit short to ground, short to power, open circuit Front Integrated Control Panel failure Central Junction Box failure Climate Control Module failure	Refer to the electrical circuit diagrams and check the power and ground connections to the module. Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the electrical circuit diagrams and check the CAN network. Check and install a new Front Integrated Control Panel as required. Check and install a new Central Junction Box as required. Check and install a new Climate Control Module as required. Refer to the new module/component installation note at top of DTC Index
U0300-00	Internal Control Module Software Incompatibility - no sub type information	Central Junction Box not configured Climate Control Module not configured Climate Control Module failure	Re-configure the Central Junction Box using the manufacturer approved diagnostic system, clear DTC and re-test. Re-configure the Climate Control Module using the manufacturer approved diagnostic system. Check and install a new Climate Control Module as required. Refer to the new module/component installation note at the top of the DTC Index
U0422-86	Invalid Data Received From Body Control Module - signal invalid	Car Configuration File incorrect Central Junction Box not configured Climate Control Module not configured Central Junction Box failure	Check Car Configuration File is correct. Re-configure the Central Junction Box using the manufacturer approved diagnostic system. Clear Climate Control Module DTC and re-test. Check and install a new Central Junction Box as required. Refer to the new module/component installation note at the top of the DTC Index
U0425-86	Invalid Data Received From Auxiliary Heater Control Module - signal invalid	Fuel Fired Booster Heater Module not configured Fuel Fired Booster Heater Module failure	Re-configure the Fuel Fired Booster Heater Module using the manufacturer approved diagnostic system, clear DTC and re-test. Check and install a new Fuel Fired Booster Heater Module as required. Refer to the new module/component installation note at the top of the DTC Index
U0557-86	Invalid Data Received From Front Controls Interface Module "A" - signal invalid	Front Integrated Control Panel Module not configured Front Integrated Control Panel failure	Re-configure the Front Integrated Control Panel using the manufacturer approved diagnostic system, clear DTC and re-test. Check and install a new Front Integrated Control Panel as required. Refer to the new module/component installation note at the top of the DTC Index
U1A14-49	CAN Initialization failure- internal electronic failure	CAN network fault Climate Control Module failure	Refer to the electrical circuit diagrams and check the power and ground connections to the module. Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the electrical circuit diagrams and check the CAN network. Check and install a new Climate Control Module as required. Refer to the new module/component installation note at the top of the DTC Index
U3000-55	Control Module - not configured	Car Configuration File incorrect Central Junction Box not configured Central Junction Box failure	Check Car Configuration File is correct. Check VIN is correct. Re-configure the Central Junction Box using the manufacturer approved diagnostic system, clear DTC and re-test. Re-configure the Climate Control Module using the manufacturer approved diagnostic system. Check and install a Central Junction Box as required. Refer to the new module/component installation note at the top of the DTC Index
U3000-87	Control Module - missing message	CAN link between Instrument Pack and Climate Control Module fault Climate Control Module failure	Check the Climate Control Module for related DTCs and refer to the relevant DTC index. Check and install a new Climate Control Module as required. Refer to the new module/component installation note at the top of the DTC Index
U3002-81	Vehicle Identification Number - invalid serial data received	Central Junction Box not configured Climate Control Module not configured Climate Control Module failure	Check the Climate Control Module for related DTCs and refer to the relevant DTC index. Re-configure the Central Junction Box using the manufacturer approved diagnostic system, clear DTC and re-test. Check and install a new Climate Control Module as required. Refer to the new module/component installation note at the top of the DTC Index