DTC Table
WARNING: This page is about a different car, the 2010 Suzuki Kizashi. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Be sure to perform HVAC SYSTEM CHECK before starting DTC troubleshooting.
DTC CHART
| DTC | DTC name | DTC detecting condition | Priority of DTC code displayed by auto A/C panel | "AUTO" indicator | ||
|---|---|---|---|---|---|---|
| Displayed on SUZUKI scan tool | Displayed on auto A/C panel | Current | History | |||
| - | End | - | Normality. | - | - | - |
| B1502-H | 2.1 | Inside Air Temperature Sensor and/or Its Circuit Malfunction | Inside air temperature sensor signal voltage is higher than specified value (4.9 V) for specified time continuously. | 7 | 5 | Lights up |
| B1502-L | 2.2 | Inside air temperature sensor signal voltage is lower than specified value (0.1 V) for specified time continuously. | 8 | 6 | Lights up | |
| B1503 | 3.4 | Evaporator Temperature Sensor and/or Its Circuit Malfunction | HVAC control module receives invalid data of evaporator temperature sensor from BCM continuously through CAN communication line. | 30 | 26 | Lights up |
| B1504-H | 4.2 | Driver Side Sunload Sensor and/or Its Circuit Malfunction | Driver side sunload sensor signal voltage is higher than specified value (3.9 V) for specified time continuously. | 9 | 7 | Lights up |
| B1504-L | 4.1 | Driver side sunload sensor signal voltage is lower than specified value (0.1 V) for specified time continuously. | 35 | - | Off | |
| B1505-H | 5.2 | Passenger Side Sunload Sensor and/or Its Circuit Malfunction | Passenger side sunload sensor signal voltage is higher than specified value (3.9 V) for specified time continuously. | 10 | 8 | Lights up |
| B1505-L | 5.1 | Passenger side sunload sensor signal voltage is lower than specified value (0.1 V) for specified time continuously. | 36 | - | Off | |
| B1511-H | 20.1 | Driver Side Temperature Control Actuator (Position Sensor) and/or Its Circuit Malfunction | Driver side temperature control actuator position sensor signal voltage is higher than specified value (4.8 V) for specified time continuously. | 11 | 9 | Lights up |
| B1511-L | 20.2 | Driver side temperature control actuator position sensor signal voltage is lower than specified value (0.1 V) for specified time continuously. | 12 | 10 | Lights up | |
| B1512-H | 23.1 | Air Flow Control Actuator (Position Sensor) and/or Its Circuit Malfunction | Air flow control actuator position sensor signal voltage is higher than specified value (4.8 V) for specified time continuously. | 17 | 15 | Lights up |
| B1512-L | 23.2 | Air flow control actuator position sensor signal voltage is lower than specified value (0.1 V) for specified time continuously. | 18 | 16 | Lights up | |
| B1513 | 20.3 | Driver Side Temperature Control Actuator (Motor) and/or Its Circuit Malfunction | Difference between target opening and actual opening is more than specified value even though driver side temperature control actuator has operated for specified time. | 13 | 11 | Lights up |
| B1514 | 23.3 | Air Flow Control Actuator (Motor) and/or Its Circuit Malfunction | Difference between target opening and actual opening is more than specified value even though air flow control actuator has operated for specified time. | 19 | 17 | Lights up |
| B1515-H | 21.1 | Passenger Side Temperature Control Actuator (Position Sensor) and/or Its Circuit Malfunction | Passenger side temperature control actuator position sensor signal voltage is higher than specified value (4.8 V) for specified time continuously. | 14 | 12 | Lights up |
| B1515-L | 21.2 | Passenger side temperature control actuator position sensor signal voltage is lower than specified value (0.1 V) for specified time continuously. | 15 | 13 | Lights up | |
| B1517 | 21.3 | Passenger Side Temperature Control Actuator (Motor) and/or Its Circuit Malfunction | Difference between target opening and actual opening is more than specified value even though passenger side temperature control actuator has operated for specified time. | 16 | 14 | Lights up |
| B1530-H | 26.1 | Air Intake Control Actuator (Position Sensor) and/or Its Circuit Malfunction | Air intake control actuator position sensor signal voltage is higher than specified value (4.8 V) for specified time continuously. | 20 | 18 | Lights up |
| B1530-L | 26.2 | Air intake control actuator position sensor signal voltage is lower than specified value (0.1 V) for specified time continuously. | 21 | 19 | Lights up | |
| B1531 | 26.3 | Air Intake Control Actuator and/or Its Circuit Malfunction | Difference between target opening and actual opening is more than specified value even though air intake control actuator has operated for specified time. | 22 | 20 | Lights up |
| B1540 | 54.1 | Panel Back-Up Power Supply Circuit Malfunction | Battery voltage of auto A/C panel is not detected when ignition mode of keyless push start system is "OFF". | 24 | - | Off |
| B1541 | 50.1 | Back-Up Power Supply Circuit Malfunction | Back-up power supply voltage is lower than specified value (3.6 V) for specified time continuously. | 23 | - | Off |
| B1544 | 30.4 | Invalid Data between HVAC Control Module and Auto A/C Panel | HVAC control module sent invalid signal to Auto A/C panel. | 6 | 4 | Lights up |
| 30.5 | HVAC control module received invalid signal from auto A/C panel. | 5 | 3 | Lights up | ||
| B1546 | 13.6 | A/C Refrigerant Pressure Malfunction | A/C refrigerant pressure is less than specified value, though outside temperature is more than specified value. | 34 | - | Off |
| B1550-H | 30.1 | Lost Communication between HVAC Control Module and Auto A/C Panel | Between HVAC control module and auto A/C panel communication signal voltage is higher than specified value for specified time continuously. | 3 | 1 | Lights up |
| B1550-L | 30.2 | Between HVAC control module and auto A/C panel communication signal voltage is lower than specified value for specified time continuously. | 4 | 2 | Lights up | |
| B1557 | 11.4 | Wheel Speed Sensor and/or Its Circuit Malfunction | HVAC control module receives invalid data of vehicle speed sensor signal from ECM. | 32 | 28 | Lights up |
| B1561 | 10.4 | Engine Coolant Temperature Sensor and/or Its Circuit Malfunction | HVAC control module receives invalid data of ECT signal from ECM. | 31 | 27 | Lights up |
| B1562 | 1.4 | Outside Air Temperature Sensor and/or Its Circuit Malfunction | HVAC control module receives invalid data of outside air temperature signal from BCM continuously through CAN communication line. | 29 | 25 | Lights up |
| B1563 | 13.4 | A/C Refrigerant Pressure Sensor and/or Its Circuit Malfunction | HVAC control module receives invalid data of A/C refrigerant pressure signal from ECM. | 33 | - | Off |
| B1580 | 62.6 | EEPROM Error | EEPROM error has occurred in HVAC control module. | 1 | - | Off |
| B1581 | 64.6 | Panel EEPROM Error | EEPROM error has occurred in auto A/C panel. | 2 | - | Off |
| U0073 | 33.4 | Control Module Communication Bus Off | Transmitting and receiving error of HVAC control module for specified time continuously. | 25 | 21 | Lights up |
| U0100 | 35.4 | Lost Communication with ECM | Receiving error of HVAC control module from ECM for specified time continuously. | 27 | 23 | Lights up |
| U0140 | 34.4 | Lost Communication with BCM | Receiving error of HVAC control module from BCM for specified time continuously. | 26 | 22 | Lights up |
| U0155 | 37.4 | Lost Communication with Instrument Panel Cluster (IPC) Control Module | Receiving error of HVAC control module from combination meter for specified time continuously. | 28 | 24 | Lights up |