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2021 Honda Civic Supported Services

2021 Honda Civic

ADAS, Module Repair & Programming

Trims: LX, Sport, EX, EX-L, Touring, Si, Type R. Honda Sensing standard all trims (2022+).

  • Platform Honda Civic Platform - 10th Gen FC/FK (Final Year)
  • CAN Architecture HS-CAN (500 kbps) + MS-CAN (125 kbps); OBD2 DLC Pin 6/14 HS-CAN; DLC under driver dash
  • Security Honda Smart Entry - EEPROM-based key security; no OBD pin code extraction; AKL requires Honda iN dealer authorization + HDS; max 8 keys per vehicle
OVERVIEW

Expert ADAS calibration, module programming, and diagnostic recovery for the 2021 Honda Civic. On this vehicle we cover documented systems include Forward Camera (Monocular), Forward Radar (77GHz), and Honda Sensing Suite (EX+ trims), this Honda Civic Platform - 10th Gen FC/FK (Final Year) platform vehicle, Honda Immobilizer - EEPROM-based Smart Entry (10th Gen FC/FK) immobilizer support, Honda Display Audio infotainment programming. Mobile across the DFW Metroplex, mail-in nationwide for module-bench work.

Platform
Honda Civic Platform - 10th Gen FC/FK (Final Year)
Production
2006-present
Trim Levels
Trims: LX, Sport, EX, EX-L, Touring, Si, Type R. Honda Sensing standard all trims (2022+).
Drivetrain
FWD
Engine
-
CAN Speed
HS-CAN (500 kbps) + MS-CAN (125 kbps); OBD2 DLC Pin 6/14 HS-CAN; DLC under driver dash
YEAR-SPECIFIC NOTES

VIN / Build Split

VIN pos 4-8 identifies model/body/transmission/engine. Honda WMI: 1HG, 2HG, 5J6. Position 4-5 = model code. Position 10 = model year code.

Infotainment

Honda Display Audio

SERVICE SNAPSHOT

Exact-year service summary for 2021 Honda Civic

ADAS coverage

This 2021 Honda Civic page documents 3 ADAS systems, including Forward Camera (Monocular), Forward Radar (77GHz), and Honda Sensing Suite (EX+ trims).

View ADAS data

Calibration triggers

Documented calibration triggers include Windshield Replacement, Forward Camera Replacement, Front Radar Replacement, and VSA Modulator Replacement. Use the ADAS tab for the full trigger list.

View triggers

Target setup planning

Approved target-planning data maps this vehicle family to LAM01-04-L&LAM01-04-R. Primary Acura/Honda static target set for FCW/LDW and LKAS forward-camera calibration planning. Confirm VIN, trim, DTCs, sensor part number, and scan-tool procedure before setup.

View ADAS data

Programmable modules

This page indexes 23 programmable module records across SRS, ECU, BCM, TCU/TCM, ABS, and IPC coverage.

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Gateway and security

This page includes 7 gateway, immobilizer, or key-security records for this 2021 Honda Civic.

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Core Auto Logic capability

Core Auto Logic supports exact-year diagnostics, ADAS calibration, module programming, and security-access planning for the 2021 Honda Civic using the documented systems and module data on this page.

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EXACT-YEAR DIFFERENTIATORS

What changes on this exact year

Feature availability

Honda Sensing standard on EX and above: Collision Mitigation Braking System/Auto - Standard; Immobilizer: Honda Immobilizer - Standard; Platform: Honda Civic Platform - Confirmed

Driver-assist suite

Honda Sensing standard on EX and above: Collision Mitigation Braking System/Automatic Emergency Braking, Lane Keeping Assist System, LDWS, Adaptive Cruise Control with low-speed follow, Road Departure Mitigation. Not standard on LX trim. Final year of 10th gen Honda Sensing hardware.

VIN and build split

VIN pos 4-8 identifies model/body/transmission/engine. Honda WMI: 1HG, 2HG, 5J6. Position 4-5 = model code. Position 10 = model year code.

Infotainment context

Honda Display Audio; 7" Display Audio (LX/Sport/EX); 8" Navigation Display Audio (EX-L/Touring); Apple CarPlay + Android Auto on EX+

Network and access

CAN: HS-CAN (500 kbps) + MS-CAN (125 kbps); OBD2 DLC Pin 6/14 HS-CAN; DLC under driver dash

Choose a section to view data

Feature availability 3

Honda Sensing standard on EX and above: Collision Mitigation Braking System/Auto

Standard

Calibration required after windshield replacement, camera/radar service, or structural repair affecting sensor alignment.

Immobilizer: Honda Immobilizer

Standard

Key programming requires manufacturer-level tool access.

Platform: Honda Civic Platform

Confirmed

Verify platform code matches when cross-referencing part numbers across model years.

WHAT WE RESOLVE

Common issues on this vehicle

Common Honda Civic issues we resolve on this platform: Forward Camera (Monocular), Forward Radar (77GHz), and Honda Sensing Suite (EX+ trims) recalibration after windshield/bumper/suspension/CCM service. Module programming for replacement ECU/PCM, BCM, TCU, or accessory modules - Honda Civic Platform - 10th Gen FC/FK (Final Year) platform uses HS-CAN (500 kbps) + MS-CAN (125 kbps); OBD2 DLC Pin 6/14 HS-CAN; DLC under driver dash. Key programming and immobilizer faults - Honda Immobilizer - EEPROM-based Smart Entry (10th Gen FC/FK) immobilizer; all-keys-lost supported.

OPENPILOT / COMMA.AI

Openpilot Compatibility

Not Supported

Officially supported (openpilot master)

Package
Honda Sensing
Hardware
Comma 3X + Honda Nidec / Bosch A / Bosch B harness
Harness
Honda Nidec / Bosch A / Bosch B Harness

2016-18 Nidec, 2019-21 Bosch A, 2022-24 Bosch B. Hatchback variants also supported.

Documented for the 10th Gen FC - includes this 2021 model year. Open the full coverage on the generation guide.

FREQUENTLY ASKED QUESTIONS

FAQ

How much does ADAS calibration cost for a 2021 Honda Civic?

ADAS calibration pricing for a 2021 Honda Civic depends on which of its 3 documented systems need work after a repair. This vehicle is documented with Forward Camera (Monocular), Forward Radar (77GHz), and Honda Sensing Suite (EX+ trims). We provide a fixed quote after confirming the operations performed - send the VIN, the repair scope (windshield R&R, bumper work, alignment, collision), and any DTCs and we return a number within 4 hours.

Can you reset the airbag light on a 2021 Honda Civic?

Yes. The 2021 Honda Civic uses a factory SRS control module that we support. We read and clear stored crash data, then restore the module to factory status so the airbag warning light goes out and the system returns to full operation. Reference part number on this vehicle: 77960-TBA-A030-M2-ENCRYPTED. Bench-only or in-vehicle - both paths are supported. Send the part number and a description of what triggered the light, and we will provide a quote and ETA.

What is needed after replacing the windshield on a 2021 Honda Civic?

After windshield replacement on a 2021 Honda Civic, Forward Camera (Monocular) and Forward Radar (77GHz) rely on the forward-facing camera and require recalibration before the systems return to operation. We perform the calibration on-site (DFW Metroplex) with OE target fixtures or via mail-in for the front camera/radar module.

How long does a 2021 Honda Civic module service take?

Most 2021 Honda Civic jobs complete same-day once the vehicle or module arrives. This vehicle has roughly 20 programmable modules documented in our database (4 ECU, 3 BCM, 1 TCU, 3 ABS, plus IPC/SAS/gateway/accessory). Module-bench work (ECU clones, BCM reprograms, SRS resets) ships back inside 1-3 business days including return shipping. ADAS calibration is on-site for DFW or mail-in for the front module.

Do you cover the 2021 Honda Civic on-site, or is this mail-in only?

Both. We run a mobile unit across the DFW Metroplex for on-vehicle work (ADAS calibration, key programming, IMMO pairing, post-repair recoding) and a mail-in bench for module-only jobs (ECU cloning, BCM repair, SRS reset, TCU clone). Quote the work and we will tell you which path is right for the 2021 Honda Civic.

What kind of warranty do you offer on 2021 Honda Civic programming?

Every programming, cloning, and calibration job on the 2021 Honda Civic is backed by a workmanship warranty covering the scope of work we performed: 1-year unlimited on all flashes, clones, and ADAS calibrations. If a module we programmed or a calibration we performed fails to function as expected, return it and we restore it at no charge. The warranty covers our work; it does not cover unrelated mechanical or electrical failure of the module itself.

Can you program a 2021 Honda Civic with no working keys (all-keys-lost)?

Yes - all-keys-lost is supported on the 2021 Honda Civic. Immobilizer generation on this platform: Honda Immobilizer - EEPROM-based Smart Entry (10th Gen FC/FK). Adding a key (with a working key already in hand) is also supported - typically faster and less expensive than an all-keys-lost reset. Submit the VIN and we will confirm the procedure and quote before scheduling.

Which modules on a 2021 Honda Civic can you actually service?

We program, clone, repair, or replace the full programmable-module stack on a 2021 Honda Civic. For this vehicle our database documents:

  • 4 engine control (ECU/PCM)
  • 1 transmission control (TCU/TCM)
  • 3 body control (BCM and related)
  • 3 ABS / brake control (EBCM)
  • 4 immobilizer / security
  • 3 key & fob
  • 1 instrument cluster (IPC)
  • 1 steering angle sensor (SAS)
  • 3 ADAS module

Infotainment on this platform: Honda Display Audio. Send the VIN and the operations performed and we will confirm support and pricing.

Different trim or build?

Send your VIN and we'll confirm exact module support and pricing for your specific vehicle within 4 hours.

Hit a security wall? We've got the keys.

1-year unlimited warranty on every flash and calibration.

(945) 382-4065 Get a Quote

Shared module fitment

Vehicles sharing modules with the 2021 Honda Civic

These vehicles use one or more of the same replacement modules indexed for this vehicle.