The service and repair manual for the 2021 Acura TLX — 2.0L I4 and 3.0L V6 engines, 4 trims. Matched to this exact model year, so the specifications and sequences are the ones Acura 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 3.0L V6 — 183 cu in, DOHC, turbocharged |
| Trims | Base Sedan 4-Door · SH-AWD Sedan 4-Door · Type S Sedan 4-Door · Advance Sedan 4-Door |
| Federal record | 1 recall · 82 complaints · 112 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 TLX manual
03 / ContentsSections in the manual
- Quick Lookups 245
- General Information 1,891
- Accessories & Equipment 3,979
- Heating, Ventilation & A/C (HVAC) 597
- Body & Frame 906
- Maintenance 35
- Brakes 1,245
- Restraints 819
- Drivelines & Axles 60
- Steering 171
- Electrical 676
- Suspension 448
- Engine Mechanical 522
- Transmission 1,372
- Engine Performance 7,510
- Axle Nut/Hub Nut 24
- Battery 12
04 / Known issuesRecalls on federal record for the 2021 TLX
- 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 82 complaints and Acura has issued 112 technical service bulletins for the 2021 TLX. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 TLX manual
Is this manual specific to the 2021 TLX?
Yes. It is the OEM manual matched to the 2021 model year, covering the 2.0L I4 and 3.0L V6 across the Base Sedan 4-Door, SH-AWD Sedan 4-Door, Type S Sedan 4-Door, Advance Sedan 4-Door trims. Specifications and procedure sequences are the ones Acura published for this year.
What 2021 TLX problems does it help with?
1 recall is on federal record for the 2021 TLX, covering air bags. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Acura dealers.
Does it include 2021 TLX 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 TLX years and 2021 Acura models
2024 TLX · 2023 TLX · 2022 TLX · 2020 TLX · 2019 TLX · 2018 TLX · 2017 TLX · 2016 TLX · 2015 TLX · all 10 years
2021 Acura ILX · 2021 Acura Integra · 2021 Acura MDX · 2021 Acura NSX · 2021 Acura RDX · 2021 Acura ZDX · every 2021 model