HVAC DTCS
HVAC DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| B1411/11 | Room Temperature Sensor Circuit |
| B1412/12 | Ambient Temperature Sensor Circuit |
| B1413/13 | Evaporator Temperature Sensor Circuit |
| B1418/18 | Exhaust Gas Sensor Circuit |
| B1421/21 | Solar Sensor Circuit (Passenger Side) |
| B1423/23 | Pressure Sensor Circuit |
| B1424/24 | Solar Sensor Circuit (Driver Side) |
| B1441/41 | Air Mix Damper Control Servo Motor Circuit (Passenger Side) |
| B1442/42 | Air Inlet Damper Control Servo Motor Circuit |
| B1443/43 | Air Outlet Damper Control Servo Motor Circuit |
| B1445/45 | Front Passenger Seat Side Cool Air Bypass Damper Control Servo Motor Circuit |
| B1446/46 | Air Mix Damper Control Servo Motor Circuit (Driver Side) |
| B1461/61 | Emission Gas NOx Sensor Circuit |
| B1462/62 | Room Humidity Sensor Circuit |
| B1471/71 | A/C Inverter High Voltage Power Resource System Malfunction |
| B1472/72 | A/C Inverter High Voltage Output System Malfunction |
| B1473/73 | A/C Inverter Start-up Signal System Malfunction |
| B1474/74 | A/C Inverter Malfunction |
| B1475/75 | A/C Inverter Cooling / Heating System Malfunction |
| B1476/76 | A/C Inverter Load System Malfunction |
| B1477/77 | A/C Inverter Low Voltage Power Resource System Malfunction |
| B1497/97 | BUS IC Communication Malfunction |
| B1498/98 | Communication Malfunction (A/C Inverter Local) |
| B1499/99 | Multiplex Communication Circuit |
| P0AA6-611 | Hybrid Battery Voltage System Isolation Fault |
| HINT: *: The A/C amplifier memorizes the DTC of the respective malfunction that has occurred for a period of the time indicated in the brackets. |
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