Honda HR-V Owners & Service Manuals

Honda HR-V: DTC B1C56, B1C58

Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Seat Heater System - Diagnostics / DTC B1C56, B1C58

NOTE : Refer to the DTC code shown on the display, and then inspect the connectors and terminals based on the instructions in the table below.

Seat Heater System - Diagnostics

DTC (Front 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 - Refer 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.

1. Problem verification:

  1. Clear the DTCs with the HDS.

Clear DTCs

  1. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
  2. Wait for at least 90 seconds.
  3. Check for DTCs with the HDS.

Seat Heater System - Diagnostics

Is DTC B1C56 or B1C58 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. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Seat cushion heater connector A (4P)

  1. Turn the vehicle to the ON mode.
  2. Clear the DTCs with the HDS.

Clear DTCs

  1. Check for DTCs with the HDS.

Seat Heater System - Diagnostics

Is DTC B1C56 or B1C58 indicated?

YES

Repair a short in the FR DR H/SEAT TH+ or FR AS H/SEAT TH+ wire.

NO

Faulty seat heater thermistor; replace the driver's seat cushion heater or the front passenger's seat cushion heater.

    READ NEXT:

     DTC B1C60, B1C62

    NOTE : Refer to the DTC code shown on the display, and then inspect the connectors and terminals based on the instructions in the table below. DTC (Front Seat Heater Control Unit) NOTE : If you ar

     DTC B1C61, B1C63

    NOTE : Refer to the DTC code shown on the display, and then inspect the connectors and terminals based on the instructions in the table below. DTC (Front Seat Heater Control Unit) NOTE : If you ar

     DTC B1C68, Driver's Heater Not Heating

    DTC (Front 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 - Refer to: Body Electrical Trouble

    SEE MORE:

     Off-Highway Driving Guidelines

    General Information Your vehicle has been designed primarily for use on pavement, however, its higher ground clearance allows you to occasionally travel on unpaved roads. It is not designed for trail-blazing, or other challenging off-road activities. If you decide to drive on unpaved roads, you wi

     DTC C1841-13 (42-01): Differential Fluid Temperature Sensor Circuit High Voltage (AWD)

    NOTE: Before you troubleshoot, review the General Troubleshooting Information for the AWD with intelligent control system. 1. Problem verification: Turn the vehicle to the ON mode. Check the parameter(s) below with the HDS. Do the current condition(s) match the threshold? YES The failure is d

    © 2019-2025 Copyright www.hohrv2.com