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DTC Table: Notes

WARNING: This page is about a different car, the 2007 Suzuki Grand Vitara and 2006 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Be sure to perform AIR CONDITIONING SYSTEM CHECK  before starting diagnosis.
DTC CHART

DTC No. (displayed on SUZUKI scan tool) DTC (indicated on HVAC control module) Priority of display Diagnosis
Indicated by "REC" indicator lamp Indicated by "FRE" indicator lamp
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 3 Short
B1503  3 1 4 Evaporator temperature sensor and/or its circuit malfunction Open
2 5 Short
B1504  4 1 29 Sunload sensor and/or its circuit malfunction Open
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
2 9 Short
B1513  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
2 12 Short
B1514  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
2 15 Short
B1531  3 16 Air intake control actuator and/or its circuit malfunction Lock detect
B1551  9 1 17 Serial communication circuit malfunction Open
2 18 Short
B1552  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  5 24 A/C refrigerant pressure malfunction Refrigerant pressure malfunction
B1520  15 1 25 Temperature selector malfunction Open
2 26 Short
B1521  16 1 27 Blower speed selector malfunction Open
2 28 Short
- See NOTE below - Normal -
NOTE: When no abnormality is detected, "FRE" indicator lamp and "REC" indicator lamp repeat cycle of ON for 2 seconds and OFF for 1 second.