DTC : B1C60

DTC B1C60  : Driver's Heater Current Abnormal High

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 front 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.

DTC (Front Seat Heater Control Unit)

1. 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
   B1C60 Driver's heater current abnormal high

   Is DTC B1C60 indicated?

   YES 

   Go to step 2.

   NO 

   Intermittent failure, the system is OK at this time. Check for loose or poor connections.

2. DTC check 1

   -1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Disconnect the following connector.

   Driver's seat heater connector A (6P)

   - 3. Turn the vehicle to the ON mode.

   - 4. Clear the DTCs with the HDS.

   Clear DTCs

   - 5. Check for DTCs with the HDS.

   DTC Description	DTC
   B1C60 Driver's heater current abnormal high

   Is DTC B1C60 indicated?

   YES 

   Go to step 3.

   NO 

   Go to step 4.

3. Shorted wire check (DR HT line)

   -1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Disconnect the following connector.

   Front seat heater control unit 14P connector

   - 3. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode Front seat heater control unit 14P connector: disconnected Driver's seat heater connector A (6P): disconnected
   Test point 1	Front seat heater control unit 14P connector No. 1
   Test point 2	Body ground

   Is there continuity?

   YES 

   Repair a short in the wire.

   NO 

   Replace the Front Seat Heater Control Unit - Removal and Installation (2019 2020 2021) .

4. Shorted wire check (BACK HTR line)

   -1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Disconnect the following connector.

   Driver's seat heater connector B (2P)

   - 3. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode Front seat heater control unit 14P connector: disconnected Driver's seat heater connector A (6P): disconnected Driver's seat heater connector B (2P): disconnected
   Test point 1	Driver's seat heater connector A (6P) (male terminals) No. 6: (1)
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   Repair a short in the BACK HTR wire.

   NO 

   Go to step 5.

5. DTC check 2

   -1. Reconnect the following connector.

   Driver's seat heater connector A (6P) Front seat heater control unit 14P connector

   - 2. Turn the vehicle to the ON mode.

   - 3. Clear the DTCs with the HDS.

   Clear DTCs

   - 4. Check for DTCs with the HDS.

   DTC Description	DTC
   B1C60 Driver's heater current abnormal high

   Is DTC B1C60 indicated?

   YES 

   Replace the driver's Seat Cushion Heater or Seat Cushion Heater - Ventilated Seats .

   NO 

   Replace the driver's Seat-Back Heater or Seat-Back Heater - Ventilated Seats .