DTC Table (LCD model)
WARNING: This page is about a different car, the 2008 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Be sure to perform Air Conditioning System Check
before starting DTC troubleshooting.
DTC TROUBLESHOOTING CHART
| DTC No. (displayed on SUZUKI scan tool) | DTC (displayed on HVAC control module) | Priority of display | Diagnosis | |
|---|---|---|---|---|
| B1562 | 1.4 | 1 | Outside air temperature sensor and/or its circuit malfunction | Data error |
| B1502 | 2.1 | 2 | Inside air temperature sensor and/or its circuit malfunction | Open |
| 2.2 | 3 | Short | ||
| B1503 | 3.1 | 4 | Evaporator temperature sensor and/or its circuit malfunction | Open |
| 3.2 | 5 | Short | ||
| B1504 | 4.1 | 25 | Sunload sensor and/or its circuit malfunction | Open |
| 4.2 | 6 | Short | ||
| B1561 | 5.4 | 7 | Engine coolant temperature sensor and/or its circuit malfunction | Data error |
| B1511 | 6.1 | 8 | Temperature control actuator (position sensor) and/or its circuit malfunction | Open |
| 6.2 | 9 | Short | ||
| B1513 | 6.3 | 10 | Temperature control actuator and/or its circuit malfunction | Lock detect |
| B1512 | 7.1 | 11 | Air flow control actuator (position sensor) and/or its circuit malfunction | Open |
| 7.2 | 12 | Short | ||
| B1514 | 7.3 | 13 | Air flow control actuator and/or its circuit malfunction | Lock detect |
| B1530 | 8.1 | 14 | Air intake control actuator (position sensor) and/or its circuit malfunction | Open |
| 8.2 | 15 | Short | ||
| B1531 | 8.3 | 16 | Air intake control actuator and/or its circuit malfunction | Lock detect |
| B1551 | 9.1 | 17 | Serial communication circuit malfunction | Open |
| 9.2 | 18 | Short | ||
| B1552 | 9.4 | 19 | Data error | |
| B1553 | 10.4 | 20 | CAN communication circuit malfunction | Data error |
| B1557 | 11.4 | 21 | Wheel speed sensor and/or its circuit malfunction | Data error |
| B1556 | 12.4 | 22 | Camshaft position (CMP) sensor and/or its circuit malfunction | Data error |
| B1563 | 13.4 | 23 | A/C refrigerant pressure sensor and/or its circuit malfunction | Data error |
| B1546 | 13.5 | 24 | A/C refrigerant pressure malfunction | Refrigerant pressure malfunction |