2012 GMC Canyon Service and Repair Manual

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Factory-Grade Data

2012 GMC Canyon service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • SLT Crew Cab Pickup 4-Door
  • WT Extended Cab Pickup 4-Door
  • SLE Crew Cab Pickup 4-Door
  • Base Crew Cab Pickup 4-Door
  • SLT Extended Cab Pickup 4-Door
  • SLE Extended Cab Pickup 4-Door
  • WT Standard Cab Pickup 2-Door
  • SLE Standard Cab Pickup 2-Door

Engines covered

  • 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated
  • 2.9L 2921CC 178Cu. In. l4 GAS DOHC Naturally Aspirated
  • 3.7L 3654CC 223Cu. In. l5 GAS DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2012 GMC Canyon Recalls & Complaints

NHTSA #11V55200017/11/2011Component: SEAT BELTS:FRONT

GENERAL MOTORS (GM) IS RECALLING CERTAIN MODEL YEAR 2012 CHEVROLET COLORADO AND GMC CANYON VEHICLES, MANUFACTURED FROM SEPTEMBER 9, 2011, THROUGH OCTOBER 19, 2011, FOR FAILING TO COMPLY WITH THE REQUI

Consequence

THE LOOSE CONNECTIONS MAY CAUSE THE DRIVER TO NOT RECEIVE A VISUAL OR AUDIBLE WARNING THAT THE DRIVE

Remedy

GM WILL NOTIFY OWNERS AND DEALERS WILL REPLACE THE SEAT BELT BUCKLE ELECTRICAL CONNECTOR TERMINALS F

TSB #11030974

This preliminary information communicates information about how to determine if a wheel and tires size change is available.

TSB #11030092

This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.

TSB #11030091

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

TSB #11027601

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

TSB #11026104

This service bulletin provides information on Tire Sidewall Irregularities.

TSB #11026017

This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

TSB #11025755

This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customers vehicles that exhibit vibration conditions without utilizing the s

TSB #11024485

The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.

Showing the 8 most recent of 1320 technical service bulletins on file with NHTSA.

20150529Component: AIR BAGSCrash reportedFire reported1 injured

IN FRESNO, CA AT 5:30 P.M., I WAS HEADING EAST ON SHAW AVE., A THREE LANE STREET, NEAR BRAWLEY AVE. A VAN, WAITING FOR CROSS TRAFFIC AT THE CENTER ISLAND, SUDDENLY JOLTED INTO THREE LANES OF HEAVY CH

20250920Component: AIR BAGS

Seatbelt light for the front driver continues to turn on even when buckled in and will ding to notify that it’s not buckled despite it buckled in. This is a safety issue as the airbag light also rem

20250920Component: SEAT BELTS

Seatbelt light for the front driver continues to turn on even when buckled in and will ding to notify that it’s not buckled despite it buckled in. This is a safety issue as the airbag light also rem

20240507Component: STRUCTURE:FRAME AND MEMBERS

The contact owns a 2012 GMC Canyon. The contact noticed that there was wiring appearing from the rear end of the vehicle. The contact stated that the rear sub frame was rusted and cracked. Additionall

20240303Component: ELECTRICAL SYSTEM

On all chevy / canyon models 05 thru 12 there is an issue called "passlock" which prevents the vehicle from starting, it will leave you stranded. The failure is the ignition housing with the passlock

Showing the 5 most serious of 30 complaints filed with NHTSA.

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