Seat Heater/Ventilation System DTCS
FRONT SEAT HEATER CONTROL UNIT
| DTC | Description | DTC type |
|---|---|---|
| B1C55 | Driver's heater thermistor circuit open | Signal error |
| B1C56 | Driver's heater thermistor circuit short | Signal error |
| B1C57 | Passenger's heater thermistor circuit open | Signal error |
| B1C58 | Passenger's heater thermistor circuit short | Signal error |
| B1C60 | Driver's heater current abnormal high | Signal error |
| B1C61 | Driver's heater current abnormal low | Signal error |
| B1C62 | Passenger's heater current abnormal high | Signal error |
| B1C63 | Passenger's heater current abnormal low | Signal error |
| B1C68 | Driver's heater not heating | Signal error |
| B1C69 | Passenger's heater not heating | Signal error |
| B1C70 | Driver's main heater switch failure | Signal error |
| B1C71 | Passenger's main heater switch failure | Signal error |
| U1064 | Seat heater control unit lost communication with climate control unit | Loss of communication |
| U1280 | B-CAN communication bus line error (BUS-OFF) | Loss of communication |
VENTILATED SEAT CONTROL UNIT
| DTC | Description | DTC type |
|---|---|---|
| B1C55 | Driver's heater thermistor circuit open | Signal error |
| B1C56 | Driver's heater thermistor circuit short | Signal error |
| B1C57 | Passenger's heater thermistor circuit open | Signal error |
| B1C58 | Passenger's heater thermistor circuit short | Signal error |
| B1C60 | Driver's heater current abnormal high | Signal error |
| B1C61 | Driver's heater current abnormal low | Signal error |
| B1C62 | Passenger's heater current abnormal high | Signal error |
| B1C63 | Passenger's heater current abnormal low | Signal error |
| B1C68 | Driver's heater not heating | Signal error |
| B1C69 | Passenger's heater not heating | Signal error |
| B1C70 | Driver's main heater switch failure | Signal error |
| B1C71 | Passenger's main heater switch failure | Signal error |
| U1064 | Seat heater control unit (ventilated seat control unit) lost communication with climate control unit | Loss of communication |
| U1280 | B-CAN communication bus line error (BUS-OFF) | Loss of communication |