DTC : B1FBB
DTC B1FBB : Left rear main heater switch failure (second row seat)
| DTC Description | DTC |
|---|---|
| B1FBB Left rear main heater switch failure (second row seat) |
DTC (Second Row Seat Heater Control Unit)
NOTE:
- If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Go to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks .
- 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.
Clear DTCs
- 2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
- 3. Check for DTCs with the HDS.
DTC Description DTC B1FBB Left rear main heater switch failure (second row seat) Is DTC B1FBB indicated?
YES
Replace the Second Row Seat Heater Control Unit - Removal and Installation .
NO
Intermittent failure, the system is OK at this time. Check for loose or poor connections.