Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Honda HR-V EX, FWDFACTORY OEM SERVICE PROCEDURE
DTC Index
Select a section or procedure below to view factory instructions:
Audio-Navigation System DTCS (2016 2017 2018)Audio-Navigation DTCS (2019 2020 2021)Automatic Lighting System DTCS(2016 2017 2018)AWD System DTCS (2016 2017 2018)AWD System DTCS (2019 2020 2021)Climate Control System DTCS (2016 2017 2018)Climate Control System DTCS (2019 2020 2021)Communication Systems DTCS (2019 2020 2021)CVT System DTCSDriving Support DTCSElectric Parking Brake (2016 2017 2018)Electric Parking Brake (2019 2020 2021)EPS DTCS (2016 2017 2018)EPS DTCS (2019 2020 2021)Fuel and Emissions Systems DTCS (KA/KC) (2016 2017 2018)Fuel And Emissions System DTS (2019 2020)Fuel and Emissions Systems DTCS (KA/KC) (2021)Forward Collision Warning (FCW) DTCSFront Seat Heater Control Unit (2019 2020 2021)Front Seat Heater Control Unit (2016 2017 2018)Navigation System DTCS (2016 2017 2018)Navigation System DTCS (2019 2020 2021)MICU (2016 2017 2018)MICU (2019 2020 2021)Gauge Control Module (2016 2017 2018)Climate Control Unit (2016 2017 2018)Immobilizer-Keyless Control Unit (2016 2017 2018)Keyless Access Control Unit (2016 2017 2018)Keyless Access Backup Control Unit (2016 2017 2018)Keyless Access Power Control Unit (2016 2017 2018)Gauge Control Module (2019 2020 2021)Climate Control Unit (2019 2020 2021)Automatic Lighting Control Unit-Sensor (2019 2020 2021)Automatic Lighting/Rain Sensor (2019 2020 2021)Immobilizer-Keyless Control Unit (2019 2020 2021)Keyless Access Control Unit (2019 2020 2021)Keyless Access Backup Control Unit (2019 2020 2021)Keyless Access Power Control Unit (2019 2020 2021)SRS DTCS (KA/Kc) (2016 2017 2018)SRS DTCS (KA/Kc) (2019 2020 2021)TPMS DTCSVSA System DTCS (2016 2017 2018)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.