HVAC DTCS
HVAC DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B1411/11 | Room Temperature Sensor Circuit |
| DTC B1412/12 | Ambient Temperature Sensor Circuit |
| DTC B1413/13 | Evaporator Temperature Sensor Circuit |
| DTC B1418/18 | Exhaust Gas Sensor Circuit |
| DTC B1421/21 | Solar Sensor Circuit (Passenger Side) |
| DTC B1422/22 | Compressor Lock Sensor Circuit |
| DTC B1423/23 | Pressure Switch Circuit |
| DTC B1424/24 | Solar Sensor Circuit (Driver Side) |
| DTC B1441/41 | Air Mix Damper Control Servo Motor Circuit (Passenger Side) |
| DTC B1442/42 | Air Inlet Damper Control Servo Motor Circuit |
| DTC B1443/43 | Air Outlet Damper Control Servo Motor Circuit |
| DTC B1445/45 | Front Passenger Seat Side Cool Air Bypass Damper Control Servo Motor Circuit |
| DTC B1446/46 | Air Mix Damper Control Servo Motor Circuit (Driver Side) |
| DTC B1451/51 | Compressor Solenoid Circuit |
| DTC B1461/61 | Emission Gas NOx Sensor Circuit |
| DTC B1497/97 | BUS IC Communication Malfunction |
| DTC B1499/99 | Multiplex Communication Circuit |