The service and repair manual for the 2021 Honda Civic — 2.0L I4 and 2.0L I4 and 1.5L I4 engines, 12 trims. Matched to this exact model year, so the specifications and sequences are the ones Honda published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2021 |
|---|---|
| Engines | 2.0L I4 — 122 cu in, DOHC, turbocharged 2.0L I4 — 122 cu in, DOHC 1.5L I4 — 91 cu in, DOHC, turbocharged |
| Trims | Type R Hatchback 4-Door · Sport Sedan 4-Door · i-Style Sedan 4-Door · Sport Hatchback 4-Door · Sport Touring Hatchback 4-Door · EX Sedan 4-Door +6 |
| Federal record | 3 recalls · 189 complaints · 73 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 Civic manual
03 / ContentsSections in the manual
- Quick Lookups 184
- General Information 1,735
- Accessories & Equipment 2,003
- Heating, Ventilation & A/C (HVAC) 179
- Body & Frame 688
- Maintenance 86
- Brakes 597
- Restraints 244
- Drivelines & Axles 36
- Steering 196
- Electrical 501
- Suspension 268
- Engine Mechanical 1,189
- Transmission 453
- Engine Performance 4,199
- Battery 12
04 / Known issuesRecalls on federal record for the 2021 Civic
- Service Brakes, Hydraulic — foundation components › master cylinder · 23V458000Brake master cylinder separation can cause a loss of brake function and increase the risk of a crash.
- Fuel System, Gasoline — delivery › fuel pump · 23V858000Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
- Air Bags — sensor › occupant classification › front passenger · 24V064000An air bag that deploys unintentionally during a crash can increase the risk of injury.
Owners have filed 189 complaints and Honda has issued 73 technical service bulletins for the 2021 Civic. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 Civic manual
Is this manual specific to the 2021 Civic?
Yes. It is the OEM manual matched to the 2021 model year, covering the 2.0L I4 and 2.0L I4 and 1.5L I4 across the Type R Hatchback 4-Door, Sport Sedan 4-Door, i-Style Sedan 4-Door, Sport Hatchback 4-Door, Sport Touring Hatchback 4-Door, EX Sedan 4-Door, Touring Sedan 4-Door, LX Hatchback 4-Door, EX Hatchback 4-Door, LX Sedan 4-Door, Type R Limited Edition Hatchback 4-Door, EX-L Sedan 4-Door trims. Specifications and procedure sequences are the ones Honda published for this year.
What 2021 Civic problems does it help with?
3 recalls are on federal record for the 2021 Civic, covering service brakes, hydraulic, fuel system, gasoline, air bags. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Honda dealers.
Does it include 2021 Civic wiring diagrams?
Yes — the complete wiring diagrams for the 2021 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $49.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther Civic years and 2021 Honda models
2024 Civic · 2023 Civic · 2022 Civic · 2020 Civic · 2019 Civic · 2018 Civic · 2017 Civic · 2016 Civic · 2015 Civic · all 43 years
2021 Honda Accord · 2021 Honda BR-V · 2021 Honda CR-V · 2021 Honda City · 2021 Honda Clarity · 2021 Honda HR-V · 2021 Honda Insight · 2021 Honda Odyssey · 2021 Honda Passport · 2021 Honda Pilot · 2021 Honda Ridgeline · every 2021 model