Climate Controlled Seat Module - Front/Rear (SCME/SCMF): DTCs

CLIMATE CONTROLLED SEAT MODULE - FRONT/REAR (SCME/SCMF) DTCs

DTC	Description	Possible Causes	Action
B10B9-13	Blower Control - Circuit open	LH seat blower + circuit, open circuit LH seat blower - circuit, open circuit Connectors disconnected Connector pin damage Blower motor assembly open circuit Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check LH seat blower + circuit for open circuit. Check LH seat blower - circuit for open circuit. Check for any disconnected connectors or damaged connector pins. Check blower motor assembly for open circuit. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
B10B9-4B	Blower Control - Over temperature	Mechanical restriction in blower motor assembly LH seat blower + circuit, short to ground LH seat blower - circuit, short to ground Blower motor assembly, short to ground Climate Control Seat Module failure	Check for mechanical restriction or debris in blower motor assembly. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check LH seat blower + circuit for short to ground. Check LH seat blower - circuit for short to ground. Check blower motor assembly for short to ground. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
B1157-13	Blower Control B - Circuit open	RH seat blower + circuit, open circuit RH seat blower - circuit, open circuit Connectors disconnected Connector pin damage Blower motor assembly open circuit Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check RH seat blower + circuit for open circuit. Check RH seat blower - circuit for open circuit. Check for any disconnected connectors or damaged connector pins. Check blower motor assembly for open circuit. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
B1157-4B	Blower Control B - Over temperature	Mechanical restriction in blower motor assembly RH seat blower + circuit, short to ground RH seat blower - circuit, short to ground Blower motor assembly, short to ground Climate Control Seat Module failure	Check for mechanical restriction or debris in blower motor assembly. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check RH seat blower + circuit for short to ground. Check RH seat blower - circuit for short to ground. Check blower motor assembly for short to ground. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
B120E-13	Right Thermal Electric Device Control - Circuit open	RH seat back thermal electric device + circuit, open circuit RH seat back thermal electric device - circuit, open circuit RH seat cushion thermal electric device + circuit, open circuit RH seat cushion thermal electric device - circuit, open circuit Connectors disconnected Connector pin damage Climate seat backrest thermal electric device assembly, open circuit Climate seat cushion thermal electric device assembly, open circuit Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, RH seat back thermal electric device + circuit for open circuit. Check RH seat back thermal electric device - circuit for open circuit. Check RH seat cushion thermal electric device + circuit for open circuit. Check RH seat cushion thermal electric device - circuit for open circuit. Check for any disconnected connectors or damaged connector pins. Check climate seat backrest thermal electric device assembly for open circuit. Check climate seat cushion thermal electric device assembly for open circuit. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
B120E-19	Right Thermal Electric Device Control - Circuit current above threshold	RH seat back thermal electric device + circuit, short to ground RH seat back thermal electric device - circuit, short to ground RH seat cushion thermal electric device + circuit, short to ground RH seat cushion thermal electric device - circuit, short to ground Climate seat backrest thermal electric device assembly, short to ground Climate seat cushion thermal electric device assembly, short to ground Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, RH seat back thermal electric device + circuit for short to ground. Check RH seat back thermal electric device - circuit for short to ground. Check RH seat cushion thermal electric device + circuit for short to ground. Check RH seat cushion thermal electric device - circuit for short to ground. Check climate seat backrest thermal electric device assembly for short to ground. Check climate seat cushion thermal electric device assembly for short to ground. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
B120E-4B	Right Thermal Electric Device Control - Over temperature	Restriction in thermal electric device air path RH seat back thermal electric device + circuit, short to ground RH seat back thermal electric device - circuit, short to ground RH seat cushion thermal electric device + circuit, short to ground RH seat cushion thermal electric device - circuit, short to ground Climate seat backrest thermal electric device assembly, short to ground Climate seat cushion thermal electric device assembly, short to ground Climate Control Seat Module failure	Check for blockage or restriction in thermal electric device air path. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, RH seat back thermal electric device + circuit for short to ground. Check RH seat back thermal electric device - circuit for short to ground. Check RH seat cushion thermal electric device + circuit for short to ground. Check RH seat cushion thermal electric device - circuit for short to ground. Check climate seat backrest thermal electric device assembly for short to ground. Check climate seat cushion thermal electric device assembly for short to ground. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
B120F-98	Left Seat Cushion - Component or system over temperature	The Climate Control Seat Module LH cushion sensor input circuit temperature exceeds 65 Degrees C continuously for more than 4 seconds during cooling The Climate Control Seat Module LH cushion sensor input circuit temperature is greater than 110 Degrees C for more than 4 seconds during heating Blocked or restricted thermal electric device fan exhaust vent Restricted thermal electric fan movement	Check for blockage or restriction in thermal electric device fan exhaust vent. Check for restricted thermal electric fan movement. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
B1223-13	Right Seat Cushion Temperature Sensor - Circuit open	RH seat cushion sensor circuit, open circuit RH seat cushion sensor - circuit, open circuit Connectors disconnected Connector pin damage Climate seat cushion temperature sensor assembly, open circuit Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, RH seat cushion sensor circuit for open circuit. Check RH seat cushion sensor - circuit for open circuit. Check for any disconnected connectors or damaged connector pins. Check Climate seat cushion temperature sensor assembly for open circuit. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
B1224-13	Left Seat Cushion Temperature Sensor - Circuit open	LH seat back thermal electric device + circuit, open circuit LH seat back thermal electric device - circuit, open circuit LH seat cushion thermal electric device + circuit, open circuit LH seat cushion thermal electric device - circuit, open circuit Connectors disconnected Connector pin damage Climate seat backrest thermal electric device assembly, open circuit Climate seat cushion thermal electric device assembly, open circuit Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, LH seat back thermal electric device + circuit for open circuit. Check LH seat back thermal electric device - circuit for open circuit. Check LH seat cushion thermal electric device + circuit for open circuit. Check LH seat cushion thermal electric device - circuit for open circuit. Check for any disconnected connectors or damaged connector pins. Check climate seat backrest thermal electric device assembly for open circuit. Check climate seat cushion thermal electric device assembly for open circuit. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
B1224-19	Left Thermal Electric Device Control - Circuit current above threshold	LH seat back thermal electric device + circuit, short to ground LH seat back thermal electric device - circuit, short to ground LH seat cushion thermal electric device + circuit, short to ground LH seat cushion thermal electric device - circuit, short to ground Climate seat backrest thermal electric device assembly, short to ground Climate seat cushion thermal electric device assembly, short to ground Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, LH seat back thermal electric device + circuit for short to ground. Check LH seat back thermal electric device - circuit for short to ground. Check LH seat cushion thermal electric device + circuit for short to ground. Check LH seat cushion thermal electric device - circuit for short to ground. Check climate seat backrest thermal electric device assembly for short to ground. Check climate seat cushion thermal electric device assembly for short to ground. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
B1224-4B	Left Thermal Electric Device Control - Over temperature	Restriction in thermal electric device air path LH seat back thermal electric device + circuit, short to ground LH seat back thermal electric device - circuit, short to ground LH seat cushion thermal electric device + circuit, short to ground LH seat cushion thermal electric device - circuit, short to ground Climate seat backrest thermal electric device assembly, short to ground Climate seat cushion thermal electric device assembly, short to ground Climate Control Seat Module failure	Check for blockage or restriction in thermal electric device air path. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, LH seat back thermal electric device + circuit for short to ground. Check LH seat back thermal electric device - circuit for short to ground. Check LH seat cushion thermal electric device + circuit for short to ground. Check LH seat cushion thermal electric device - circuit for short to ground. Check climate seat backrest thermal electric device assembly for short to ground. Check climate seat cushion thermal electric device assembly for short to ground. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
B1225-13	Right Seat Back Temperature Sensor - Circuit open	RH seat back sensor circuit, open circuit RH seat back sensor - circuit, open circuit Connectors disconnected Connector pin damage Climate seat back temperature sensor assembly, open circuit Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, RH seat back sensor circuit for open circuit. Check RH seat back sensor - circuit for open circuit. Check for any disconnected connectors or damaged connector pins. Check Climate seat back temperature sensor assembly for open circuit. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
B1229-13	Left Seat Back Temperature Sensor - Circuit open	LH seat back sensor circuit, open circuit LH seat back sensor - circuit, open circuit Connectors disconnected Connector pin damage Climate seat back temperature sensor assembly, open circuit Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, LH seat back sensor circuit for open circuit. Check LH seat back sensor - circuit for open circuit. Check for any disconnected connectors or damaged connector pins. Check Climate seat back temperature sensor assembly for open circuit. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
B122A-11	Right Seat Cushion Blower Speed Sensor - Circuit short to ground	RH cushion fan speed, circuit short to ground Blower motor assembly, short to ground Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, RH cushion fan speed for circuit short to ground. Check blower motor assembly for short to ground. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
B122A-12	Right Seat Cushion Blower Speed Sensor - Circuit short to battery	RH cushion fan speed, circuit short to power Blower motor assembly, short to power Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, RH cushion fan speed for circuit short to power. Check blower motor assembly for short to power. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
B122B-11	Right Seat Back Blower Speed Sensor - Circuit short to ground	RH seat back fan speed, circuit short to ground Blower motor assembly, short to ground Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, RH seat back fan speed for circuit short to ground. Check blower motor assembly for short to ground. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
B122B-12	Right Seat Back Blower Speed Sensor - Circuit short to battery	RH seat back fan speed, circuit short to power Blower motor assembly, short to power Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, RH seat back fan speed for circuit short to power. Check blower motor assembly for short to power. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
B122C-11	Left Seat Cushion Blower Speed Sensor - Circuit short to ground	LH cushion fan speed, circuit short to ground Blower motor assembly, short to ground Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, LH cushion fan speed for circuit short to ground. Check blower motor assembly for short to ground. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
B122C-12	Left Seat Cushion Blower Speed Sensor - Circuit short to battery	LH cushion fan speed, circuit short to power Blower motor assembly, short to power Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, LH cushion fan speed for circuit short to power. Check blower motor assembly for short to power. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
B122D-11	Left Seat Back Blower Speed Sensor - Circuit short to ground	LH seat back fan speed, circuit short to ground Blower motor assembly, short to ground Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, LH seat back fan speed for circuit short to ground. Check blower motor assembly for short to ground. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
B122D-12	Left Seat Back Blower Speed Sensor - Circuit short to battery	LH seat back fan speed, circuit short to power Blower motor assembly, short to power Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, LH seat back fan speed for circuit short to power. Check blower motor assembly for short to power. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
B122E-98	Right Seat Cushion - Component or system over temperature	The Climate Control Seat Module RH cushion sensor input circuit temperature exceeds 65 Degrees C continuously for more than 4 seconds during cooling The Climate Control Seat Module RH cushion sensor input circuit temperature is greater than 110 Degrees C for more than 4 seconds during heating Blocked or restricted thermal electric device fan exhaust vent Restricted thermal electric fan movement	Check for blockage or restriction in thermal electric device fan exhaust vent. Check for restricted thermal electric fan movement. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
B122F-98	Right Seat Back - Component or system over temperature	The Climate Control Seat Module RH seat back sensor input circuit temperature exceeds 65 Degrees C continuously for more than 4 seconds during cooling The Climate Control Seat Module RH seat back sensor input circuit temperature is greater than 110 Degrees C for more than 4 seconds during heating Blocked or restricted thermal electric device fan exhaust vent Restricted thermal electric fan movement	Check for blockage or restriction in thermal electric device fan exhaust vent. Check for restricted thermal electric fan movement. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
B1230-98	Left Seat Back - Component or system over temperature	The Climate Control Seat Module LH seat back sensor input circuit temperature exceeds 65 Degrees C continuously for more than 4 seconds during cooling The Climate Control Seat Module LH seat back sensor input circuit temperature is greater than 110 Degrees C for more than 4 seconds during heating Blocked or restricted thermal electric device fan exhaust vent Restricted thermal electric fan movement	Check for blockage or restriction in thermal electric device fan exhaust vent. Check for restricted thermal electric fan movement. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
B1231-7A	Right Seat - Fluid leak or seal failure	The Climate Control Seat Module has detected an input temperature difference greater than expected between RH seat back sensor and RH cushion sensor Climate seat back assembly air path leaking Climate seat cushion assembly air path leaking Seat assembly damaged	Check for blockage or restriction in seat back thermal electric device fan ducts. Check seat back thermal electric device fan exhaust vent is clear. Check for blockage or restriction in seat cushion thermal electric device fan ducts. Check seat cushion thermal electric device fan exhaust vent is clear. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
B1232-7A	Left Seat - Fluid leak or seal failure	The Climate Control Seat Module has detected an input temperature difference greater than expected between LH seat back sensor and LH cushion sensor Climate seat back assembly air path leaking Climate seat cushion assembly air path leaking Seat assembly damaged	Check for blockage or restriction in seat back thermal electric device fan ducts. Check seat back thermal electric device fan exhaust vent is clear. Check for blockage or restriction in seat cushion thermal electric device fan ducts. Check seat cushion thermal electric device fan exhaust vent is clear. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
B1235-13	Left Seat Cushion Temperature Sensor - Circuit open	LH seat cushion sensor circuit, open circuit LH seat cushion sensor - circuit, open circuit Connectors disconnected Connector pin damage Climate seat cushion temperature sensor assembly, open circuit Climate Control Seat Module failure	Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm the fault is present. Refer to the electrical circuit diagrams and check, LH seat cushion sensor circuit for open circuit. Check LH seat cushion sensor - circuit for open circuit. Check for any disconnected connectors or damaged connector pins. Check Climate seat cushion temperature sensor assembly for open circuit. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
U0010-88	Medium Speed CAN Communication Bus - Bus off	Medium Speed CAN communication bus off	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. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
U0140-00	Lost Communication With Body Control Module - No sub type information	CAN harness link between Climate Control Seat Module and Central Junction Box malfunction The Climate Control Seat Module has not received the expected CAN signal from the Central Junction Box within the specified time interval	Using the manufacturer approved diagnostic system, check Central Junction Box for DTCs and refer to the relevant DTC Index. Using the manufacturer approved diagnostic system, carry out network integrity test. Refer to the electrical circuit diagrams and check Central Junction Box power and ground circuits for open circuit. Check CAN harness between Climate Control Seat Module and Central Junction Box, repair as necessary. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
U0142-00	Lost Communication With Body Control Module "B" - No sub type information	CAN harness link between Climate Control Seat Module and Rear Junction Box malfunction The Climate Control Seat Module has not received the expected CAN signal from the Rear Junction Box within the specified time interval	Using the manufacturer approved diagnostic system, check Rear Junction Box for DTCs and refer to the relevant DTC Index. Using the manufacturer approved diagnostic system, carry out network integrity test. Refer to the electrical circuit diagrams and check Rear Junction Box power and ground circuits for open circuit. Check CAN harness between Climate Control Seat Module and Rear Junction Box, repair as necessary. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
U0155-00	Lost Communication With Instrument Panel Cluster (IPC) Control Module - No sub type information	CAN harness link between Climate Control Seat Module and Instrument Panel Cluster (IPC) network malfunction The Climate Control Seat Module has not received the expected CAN signal from the Instrument Panel Cluster (IPC) within the specified time interval	Using the manufacturer approved diagnostic system, check Instrument Panel Cluster (IPC) for DTCs and refer to the relevant DTC Index. Using the manufacturer approved diagnostic system, carry out network integrity test. Refer to the electrical circuit diagrams and check Instrument Panel Cluster (IPC) power and ground circuits for open circuit. Check CAN harness between Climate Control Seat Module and Instrument Panel Cluster (IPC), repair as necessary. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
U0156-00	Lost Communication With Information Center "A" - No sub type information	CAN harness link between Climate Control Seat Module and Information and Entertainment Control Module network malfunction The Climate Control Seat Module has not received the expected CAN signal from the Information and Entertainment Control Module within the specified time interval	Using the manufacturer approved diagnostic system, check Information and Entertainment Control Module for DTCs and refer to the relevant DTC Index. Using the manufacturer approved diagnostic system, carry out network integrity test. Refer to the electrical circuit diagrams and check Information and Entertainment Control Module power and ground circuits for open circuit. Check CAN harness between Climate Control Seat Module and Information and Entertainment Control Module, repair as necessary. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.
U0300-00	Internal Control Module Software Incompatibility - No sub type information	Incorrect or invalid software has been installed	Using the manufacturer approved diagnostic system, re-configure the Climate Control Seat Module and the Rear Junction Box. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification. Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect.
U0401-00	Invalid Data Received from ECM/PCM A - No sub type information	The Engine Control Module (ECM) has transmitted engine speed quality factor CAN signal at a specific value for a greater than expected time period	Using the manufacturer approved diagnostic system, check Engine Control Module for DTCs and refer to the relevant DTC Index.
U2101-00	Control module Configuration Incompatible - No sub type information	Calibration incomplete/corrupt	Using the manufacturer approved diagnostic system, re-configure the Climate Control Seat Module and the Rear Junction Box. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification.
U3000-04	Control Module - System internal failures	Climate Control Seat Module failure Climate Control Seat Module microprocessor failed internal ROM and/or RAM checksum test	Refer to the warranty policy and Procedures information if the Climate Control Seat Module is suspect.
U3003-62	Battery Voltage - Signal compare failure	Mismatch in battery voltage of 2 volts or more between the measured battery voltage at the Climate Control Seat Module and the battery voltage signal sent from the Rear Junction Box	Refer to the electrical circuit diagrams and check that power supply voltage at Climate Control Seat Module and Rear Junction Box is not different by more than 2 volts. Rectify as required. Carry out On Demand Self Test (ODST) using manufacturer approved diagnostic system to confirm rectification. Alternatively carry out any pinpoint tests associated with this DTC using the manufacturer approved diagnostic system.