DTC B1C60 (Ventilated Seat Control Unit)

WARNING: This page is about a different car, the 2022 Honda Accord, 2021 Honda Accord, 2020 Honda Accord, 2019 Honda Accord, and 2018 Honda Accord. However, it is still accessible from the selected car via links, so may be relevant.

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 .

DTC Description	DTC
B1C60 Driver's heater current abnormal high

DTC (Ventilated Seat Control Unit)

Problem verification

-1. Clear the DTCs with the HDS.

-2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

-3. Turn the driver's seat heater switch ON.

-4. 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.

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

Determine possible failure area (driver's seat heater, others)

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

-2. Disconnect the following connector.

Driver's seat heater connector A (4P)

-3. Clear the DTCs with the HDS.

-4. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

-5. Turn the driver's seat heater switch ON.

-6. 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.

Go to step 4.

Shorted wire check (HEATER DR line)

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

-2. Disconnect the following connector.

Ventilated seat control unit 24P connector

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

Test condition	Vehicle OFF (LOCK) mode Ventilated seat control unit 24P connector: disconnected Driver's seat heater connector A (4P): disconnected
Test point 1	Ventilated seat control unit 24P connector No. 1
Test point 2	Body ground

Is there continuity?

YES

Repair a short in the HEATER DR wire.

Replace the ventilated seat control unit .

DTC check

-1. Reconnect the following connector.

Driver's seat heater connector A (4P)

-2. Disconnect the following connector.

Driver's seat heater connector B (2P)

-3. Clear the DTCs with the HDS.

-4. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

-5. Turn the driver's seat heater switch ON.

-6. 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 .

Replace the driver's seat-back heater .