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Dual Automatic Temperature Control (DATC) Module

DUAL AUTOMATIC TEMPERATURE CONTROL (DATC) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action
B1251 Air Temperature Internal Sensor Circuit Open See PINPOINT TEST 1: DTC B1251 OR B1253 - AIR TEMPERATURE INTERNAL SENSOR CIRCUIT OPEN OR SHORT TO GROUND - HYBRID .
B1253 Air Temperature Internal Sensor Circuit Short to Ground See PINPOINT TEST 1: DTC B1251 OR B1253 - AIR TEMPERATURE INTERNAL SENSOR CIRCUIT OPEN OR SHORT TO GROUND - HYBRID .
B2783 Interior Humidity Sensor to DATC Short Circuit See PINPOINT TEST 15: DTC B2784 OR DTC B2783 - INTERIOR HUMIDITY SENSOR TO DATC OPEN OR SHORT CIRCUIT - HYBRID .
B2784 Interior Humidity Sensor to DATC Open Circuit See PINPOINT TEST 15: DTC B2784 OR DTC B2783 - INTERIOR HUMIDITY SENSOR TO DATC OPEN OR SHORT CIRCUIT - HYBRID .
B1255 Air Temperature External Sensor Circuit Open See PINPOINT TEST 2: DTC B1255 OR B1257 - AIR TEMPERATURE EXTERNAL SENSOR CIRCUIT OPEN OR SHORT TO GROUND - HYBRID .
B1257 Air Temperature External Sensor Circuit Short to Ground See PINPOINT TEST 2: DTC B1255 OR B1257 - AIR TEMPERATURE EXTERNAL SENSOR CIRCUIT OPEN OR SHORT TO GROUND - HYBRID .
B129B Driver Blend Door Actuator, Drive Circuit(s) Shorted to Battery Voltage See PINPOINT TEST 11: TEMPERATURE CONTROL IS INOPERATIVE/DOES NOT OPERATE CORRECTLY - HYBRID .
B129C Driver Blend Door Actuator, Feedback Circuit Open or Shorted to Battery Voltage See PINPOINT TEST 11: TEMPERATURE CONTROL IS INOPERATIVE/DOES NOT OPERATE CORRECTLY - HYBRID .
B129D Driver Blend Door Actuator, Feedback Circuit Shorted to Ground See PINPOINT TEST 11: TEMPERATURE CONTROL IS INOPERATIVE/DOES NOT OPERATE CORRECTLY - HYBRID .
B129F Passenger Blend Door Actuator, Drive Circuit(s) Shorted to Battery Voltage See PINPOINT TEST 11: TEMPERATURE CONTROL IS INOPERATIVE/DOES NOT OPERATE CORRECTLY - HYBRID .
B12A0 Passenger Blend Door Actuator, Feedback Circuit Open or Shorted to Battery Voltage See PINPOINT TEST 11: TEMPERATURE CONTROL IS INOPERATIVE/DOES NOT OPERATE CORRECTLY - HYBRID .
B12A1 Passenger Blend Door Actuator, Feedback Circuit Shorted to Ground See PINPOINT TEST 11: TEMPERATURE CONTROL IS INOPERATIVE/DOES NOT OPERATE CORRECTLY - HYBRID .
B12A2 Passenger Blend Door Actuator, Slow or Door Obstructed See PINPOINT TEST 11: TEMPERATURE CONTROL IS INOPERATIVE/DOES NOT OPERATE CORRECTLY - HYBRID .
B12A4 Mode Door Actuator, Drive Circuit(s) Shorted to Battery Voltage See PINPOINT TEST 6: INCORRECT/ERRATIC DIRECTION OF AIRFLOW FROM OUTLETS - HYBRID .
B12A5 Mode Door Actuator, Feedback Circuit Open or Shorted to Battery Voltage See PINPOINT TEST 6: INCORRECT/ERRATIC DIRECTION OF AIRFLOW FROM OUTLETS - HYBRID .
B12A6 Mode Door Actuator, Feedback Circuit Shorted to Ground See PINPOINT TEST 6: INCORRECT/ERRATIC DIRECTION OF AIRFLOW FROM OUTLETS - HYBRID .
B12A7 Mode Door Actuator, Slow or Door Obstructed See PINPOINT TEST 6: INCORRECT/ERRATIC DIRECTION OF AIRFLOW FROM OUTLETS - HYBRID .
B12A9 Recirc Door Actuator, Drive Circuit(s) Shorted to Battery Voltage See PINPOINT TEST 5: THE AIR INLET DOOR IS INOPERATIVE - HYBRID .
B12AF Front Blower Motor Relay Drive Circuit Shorted to Battery Voltage See PINPOINT TEST 12: THE BLOWER MOTOR IS INOPERATIVE - DATC - HYBRID .
B12B0 Front Blower Motor Relay Drive Circuit Open or Shorted to Ground See PINPOINT TEST 12: THE BLOWER MOTOR IS INOPERATIVE - DATC - HYBRID .
B12B1 Front Blower Motor PWM Drive Circuit Shorted to Battery Voltage See PINPOINT TEST 13: THE BLOWER MOTOR DOES NOT OPERATE CORRECTLY - DATC - HYBRID .
B12B2 Front Blower Motor PWM Drive Circuit Open or Shorted to Ground See PINPOINT TEST 12: THE BLOWER MOTOR IS INOPERATIVE - DATC - HYBRID .
B12B8 Driver Blend Door Actuator, Slow or Door Obstructed See PINPOINT TEST 11: TEMPERATURE CONTROL IS INOPERATIVE/DOES NOT OPERATE CORRECTLY - HYBRID .
B12B9 Vref (5V) Drive Circuit Shorted to Battery Voltage REPAIR circuit (BR/W) for a short to voltage. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
B12BA Vref (5V) Drive Circuit Shorted to Ground REPAIR circuit (BR/W) for a short to voltage. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
B1342 Module Is Faulted INSTALL a new DATC module. See CLIMATE CONTROL MODULE REMOVAL/INSTALLATION .
B1676 Battery Voltage Out of Range See PINPOINT TEST 14: BATTERY VOLTAGE OUT OF RANGE - HYBRID .
B2426 Passenger Solar Radiation Sensor Circuit Open See PINPOINT TEST 3: DTC B2426, B2427, B2795 OR B2796 - SOLAR RADIATION SENSOR CIRCUIT OPEN OR SHORT TO GROUND - HYBRID .
B2427 Passenger Solar Radiation Sensor Circuit Short to Ground See PINPOINT TEST 3: DTC B2426, B2427, B2795 OR B2796 - SOLAR RADIATION SENSOR CIRCUIT OPEN OR SHORT TO GROUND - HYBRID .
B2477 Module Configuration Failure INSTALL a new DATC module. See CLIMATE CONTROL MODULE REMOVAL/INSTALLATION .
B2795 Driver Solar Radiation Sensor Circuit Short to Ground See PINPOINT TEST 3: DTC B2426, B2427, B2795 OR B2796 - SOLAR RADIATION SENSOR CIRCUIT OPEN OR SHORT TO GROUND - HYBRID .
B2796 Driver Solar Radiation Sensor Circuit Open See PINPOINT TEST 3: DTC B2426, B2427, B2795 OR B2796 - SOLAR RADIATION SENSOR CIRCUIT OPEN OR SHORT TO GROUND - HYBRID .
B2826 Front Evaporator Temp Sensor Circuit Failure See PINPOINT TEST 4: DTC B2826 OR B2827 - FRONT EVAPORATOR TEMP SENSOR CIRCUIT FAILURE OR SHORT TO GROUND - HYBRID .
B2827 Front Evaporator Temp Sensor Short to Ground See PINPOINT TEST 4: DTC B2826 OR B2827 - FRONT EVAPORATOR TEMP SENSOR CIRCUIT FAILURE OR SHORT TO GROUND - HYBRID .
B297B Blend Door Actuator, Drive Circuit(s) Shorted to Ground See PINPOINT TEST 11: TEMPERATURE CONTROL IS INOPERATIVE/DOES NOT OPERATE CORRECTLY - HYBRID .
B297C Driver Blend Door Actuator, Drive Circuit(s) Open See PINPOINT TEST 11: TEMPERATURE CONTROL IS INOPERATIVE/DOES NOT OPERATE CORRECTLY - HYBRID .
B297D Driver Blend Door Actuator, Drive Circuit(s) Shorted to Ground See PINPOINT TEST 11: TEMPERATURE CONTROL IS INOPERATIVE/DOES NOT OPERATE CORRECTLY - HYBRID .
B297E Passenger Blend Door Actuator, Drive Circuit(s) Open See PINPOINT TEST 11: TEMPERATURE CONTROL IS INOPERATIVE/DOES NOT OPERATE CORRECTLY - HYBRID .
B297F Passenger Blend Door Actuator, Drive Circuit(s) Shorted to Ground See PINPOINT TEST 11: TEMPERATURE CONTROL IS INOPERATIVE/DOES NOT OPERATE CORRECTLY - HYBRID .
B298A Mode Door Actuator, Drive Circuit(s) Open See PINPOINT TEST 6: INCORRECT/ERRATIC DIRECTION OF AIRFLOW FROM OUTLETS - HYBRID .
B298B Mode Door Actuator, Drive Circuit(s) Shorted to Ground See PINPOINT TEST 6: INCORRECT/ERRATIC DIRECTION OF AIRFLOW FROM OUTLETS - HYBRID .
B298C Recirc Door Actuator, Drive Circuit(s) Open See PINPOINT TEST 5: THE AIR INLET DOOR IS INOPERATIVE - HYBRID .
B298D Recirc Door Actuator, Drive Circuit(s) Shorted to Ground See PINPOINT TEST 5: THE AIR INLET DOOR IS INOPERATIVE - HYBRID .
U0140 Lost Communication With Body Control Module (GEM) CLEAR The DTCs. REPEAT the self-test. If the DTC returns, see PINPOINT TEST 8: THE SMART JUNCTION BOX (SJB) DOES NOT RESPOND TO THE SCAN TOOL .
U0300 Internal Control Module Software Incompatibility INSTALL a new DATC module. See CLIMATE CONTROL MODULE REMOVAL/INSTALLATION .
U2050 No Application Present INSTALL a new DATC module. See CLIMATE CONTROL MODULE REMOVAL/INSTALLATION .
U2051 One or More Calibration Files Missing/Corrupt INSTALL a new DATC module. See CLIMATE CONTROL MODULE REMOVAL/INSTALLATION .
All Other DTCs - See DIAGNOSTIC TROUBLE CODE (DTC) CHART - B, C AND U CODES .
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