The service and repair manual for the 2021 GMC Canyon — 3.6L V6 and 2.8L I4 and 2.5L I4 engines, 6 trims. Matched to this exact model year, so the specifications and sequences are the ones GMC published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2021 |
|---|---|
| Engines | 3.6L V6 — DOHC 2.8L I4 — DOHC, turbocharged 2.5L I4 — 150 cu in, DOHC |
| Trims | AT4 Crew Cab Pickup 4-Door · Denali Crew Cab Pickup 4-Door · Elevation Standard Crew Cab Pickup 4-Door · Elevation Crew Cab Pickup 4-Door · Elevation Standard Extended Cab Pickup 4-Door · Elevation Extended Cab Pickup 4-Door |
| Federal record | 2 recalls · 13 complaints · 738 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 Canyon manual
03 / ContentsSections in the manual
- Quick Lookups 660
- General Information 1,983
- Accessories & Equipment 6,427
- Heating, Ventilation & A/C (HVAC) 438
- Body & Frame 1,714
- Maintenance 22
- Brakes 790
- Restraints 347
- Drivelines & Axles 537
- Steering 262
- Electrical 4,002
- Suspension 229
- Engine Mechanical 881
- Transmission 1,124
- Engine Performance 4,853
- Tighten (use NEW Nut) 185
04 / Known issuesRecalls on federal record for the 2021 Canyon
- Seat Belts · 20V811000If a seat belt assembly is not properly attached to the vehicle, the seat belt may not properly rest.
- Equipment — other › labels · 21V497000An incorrect label may lead to unintentionally overloading the vehicle, increasing the risk of a cra.
Owners have filed 13 complaints and GMC has issued 738 technical service bulletins for the 2021 Canyon. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 Canyon manual
Is this manual specific to the 2021 Canyon?
Yes. It is the OEM manual matched to the 2021 model year, covering the 3.6L V6 and 2.8L I4 and 2.5L I4 across the AT4 Crew Cab Pickup 4-Door, Denali Crew Cab Pickup 4-Door, Elevation Standard Crew Cab Pickup 4-Door, Elevation Crew Cab Pickup 4-Door, Elevation Standard Extended Cab Pickup 4-Door, Elevation Extended Cab Pickup 4-Door trims. Specifications and procedure sequences are the ones GMC published for this year.
What 2021 Canyon problems does it help with?
2 recalls are on federal record for the 2021 Canyon, covering seat belts, equipment. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by GMC dealers.
Does it include 2021 Canyon 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 Canyon years and 2021 GMC models
2024 Canyon · 2023 Canyon · 2022 Canyon · 2020 Canyon · 2019 Canyon · 2018 Canyon · 2017 Canyon · 2016 Canyon · 2015 Canyon · all 19 years
2021 GMC Acadia · 2021 GMC Savana 2500 · 2021 GMC Savana 3500 · 2021 GMC Savana 4500 · 2021 GMC Sierra · 2021 GMC Sierra 1500 · 2021 GMC Sierra 1500 Limited · 2021 GMC Sierra 2500 HD · 2021 GMC Sierra 3500 HD · 2021 GMC Terrain · 2021 GMC Yukon · 2021 GMC Yukon XL · every 2021 model