DTC Table
NOTE:
Be sure to perform AIR CONDITIONING SYSTEM CHECK before starting DTC troubleshooting.
DTC REFERENCE CHART
| DTC | Priority of display | Diagnosis | |||
|---|---|---|---|---|---|
| Displayed on SUZUKI scan tool | Displayed on HVAC control module | ||||
| - | End | - | Normality | - | |
| B1502 | H | 2.1 | 1 | Inside air temperature sensor and/or its circuit malfunction | Open |
| L | 2.2 | 2 | Short | ||
| B1503 | H | 3.1 | 3 | Evaporator temperature sensor and/or its circuit malfunction | Open |
| L | 3.2 | 4 | Short | ||
| B1504 | H | 4.1 | 24 | Sunload sensor and/or its circuit malfunction | Open |
| L | 4.2 | 5 | Short | ||
| B1511 | H | 6.1 | 6 | Temperature control actuator (position sensor) and/or its circuit malfunction | Open |
| L | 6.2 | 7 | Short | ||
| B1512 | H | 7.1 | 8 | Air flow control actuator (position sensor) and/or its circuit malfunction | Open |
| L | 7.2 | 9 | Short | ||
| B1513 | 6.3 | 12 | Temperature control actuator and/or its circuit malfunction | Lock detect | |
| B1514 | 7.3 | 13 | Air flow control actuator and/or its circuit malfunction | Lock detect | |
| B1530 | H | 8.1 | 10 | Air intake control actuator (position sensor) and/or its circuit malfunction | Open |
| L | 8.2 | 11 | Short | ||
| B1531 | 8.3 | 14 | Air intake control actuator and/or its circuit malfunction | Lock detect | |
| B1541 | 50.1 | 15 | Back-up power supply circuit malfunction | Open or short | |
| B1546 | 13.5 | 25 | A/C refrigerant pressure malfunction | Refrigerant pressure malfunction | |
| B1556 | 12.4 | 22 | Crankshaft position (CKP) sensor and/or its circuit malfunction | Data error | |
| B1557 | 11.4 | 21 | Wheel speed sensor and/or its circuit malfunction | Data error | |
| B1561 | 5.4 | 19 | Engine coolant temperature sensor and/or its circuit malfunction | Data error | |
| B1562 | 1.4 | 20 | Outside air temperature sensor and/or its circuit malfunction | Data error | |
| B1563 | 13.4 | 23 | A/C refrigerant pressure sensor and/or its circuit malfunction | Data error | |
| U0073 | 33.4 | 16 | Control Module Communication Bus Off Refer to CAN DTC (LOST COMMUNICATION AND COMMUNICATION BUS OFF) TABLE . | Data error | |
| U0100 | 35.4 | 17 | Lost Communication with ECM Refer to CAN DTC (LOST COMMUNICATION AND COMMUNICATION BUS OFF) TABLE . | Data error | |
| U0140 | 34.4 | 18 | Lost Communication with BCM Refer to CAN DTC (LOST COMMUNICATION AND COMMUNICATION BUS OFF) TABLE . | Data error | |