DTC B1C69
DTC B1C69 : Front passenger's heater not heating
| DTC Description | DTC |
|---|---|
| B1C69 Passenger's heater not heating |
DTC (Front Seat Heater Control Unit)
- If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks (2014 2015 2016), or Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks (2017 2018 2019 2020) .
- The seat heater control unit does not turn on the seat heater until the seat core temperature is 85 degrees or less. Make sure the seat core temperature is below 85 degrees before troubleshooting.
- Problem verification
-1. Clear the DTCs with the HDS.
- 2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
- 3. Check for DTCs with the HDS.
DTC Description DTC B1C69 Passenger's heater not heating Is DTC B1C69 indicated?
YES
Go to step 2.
NO
Intermittent failure, the system is OK at this time. Check for loose or poor connections.
- DTC check
-1. Check for DTCs with the HDS.
DTC Description DTC B1C57 Front passenger's heater thermistor circuit open B1C58 Front passenger's heater thermistor circuit short B1C62 Front passenger's heater current abnormal high B1C63 Front passenger's heater current abnormal low Are DTCs B1C57, B1C58, B1C62, and/or B1C63 indicated?
YES
Go to DTC B1C57 troubleshooting .
YES
Go to DTC B1C58 troubleshooting .
YES
Go to DTC B1C62 troubleshooting .
YES
Go to DTC B1C63 troubleshooting .
NO
Replace the front passenger's seat cushion heater - Refer to: Seat Heater Replacement (Seat Heaters), or Seat Heater Replacement - Ventilated Seats (Ventilated Seats), or Seat Heater Replacement (2017 2018 2019 2020) .