2012 Toyota Tacoma 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 diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications, torque values, and reference data
- Electrical diagnostics with full wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
- Diagnostic trouble codes and troubleshooting flow
- Maintenance schedules and fluid capacities
Trims covered
- Base, 2D Pickup, Automatic Trans
- Base, 2D Pickup, Standard Trans
- Base, 4D Pickup Extra Cab, Automatic Trans
- Base, 4D Pickup Extra Cab, Standard Trans
- Base, 4D Pickup
- Base, 4D Pickup, Automatic Trans
- Base, 4D Pickup, Standard Trans
- PreRunner, 4D Pickup Extra Cab
- PreRunner, 4D Pickup
- X-Runner
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
- Maintenance & Lubrication
- Specifications
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Diagnostic Trouble Codes
- Technical Service Bulletins
- Wiring Diagrams
Southeast Toyota Distributors, LLC (SET) is recalling certain model year 2012-2013 Tacoma vehicles equipped with 18" Maverick Alloy Wheels. In the affected vehicles, the spare tire requires the use o
If the spare tire/wheel is installed on the vehicle using the lug nuts from another wheel, damage to
SET will notify owners, and dealers will: (a) Install a Warning Label on the spare tire/wheel, (b) s
Southeast Toyota Distributors, LLC (SET) is recalling certain models interspersed through model years 2009 through 2013 as follows: model year 2009-2012 Tacoma, 4Runner, Camry, Camry Hybrid, Prius, an
If the front passenger seat occupant sensing system is out of calibration, the front passenger airba
Southeast Toyota will notify owners, and dealers will test the sensitivity of the occupant detection
Toyota is recalling certain model year 2012 and 2013 Toyota Tacoma and Lexus RX350 vehicles and certain model year 2012 Toyota Rav4 vehicles. In the affected vehicles, the brake system contains a bra
If this occurs, these systems could become inoperative, reducing the directional control assistance,
Toyota will notify owners, and Toyota and Lexus dealers will update the software for the Skid Contro
GULF STATES TOYOTA (GST) IS RECALLING CERTAIN MODEL YEAR 2012 TACOMA TRUCKS. THE TIRE AND LOADING INFORMATION PLACARD ON EACH VEHICLE CONTAINS INACCURATE SPARE TIRE SIZE AND COLD INFLATION PRESSURE IN
AN INCORRECT PLACARD COULD LEAD TO IMPROPER SPARE TIRE USE OR REPLACEMENT WHICH COULD RESULT IN A TI
GST WILL NOTIFY OWNERS, AND SEND EACH OWNER A CORRECTED PLACARD, FREE OF CHARGE. THE SAFETY RECALL
Southeast Toyota is recalling certain model year 2008 and 2010-2013 Toyota Tundra, 2010-2012 Rav4, 2012 Toyota Sequoia, 2010-2011 Toyota Corolla, 2010-2011 Toyota Camry and Camry Hybrid, 2010-2013 Toy
An inaccurate label could lead to owners overloading their vehicles and tires. An overloaded vehicl
Southeast Toyota will notify owners and provide a corrected label with instructions concerning its i
Southeast Toyota Distributors, LLC (SET) is recalling certain 2011-2016 Toyota Tacoma and 4Runner vehicles equipped with accessory hood scoops installed by SET or SET dealers. The adhesive attaching
If the hood scoop detaches, it may become a road hazard, increasing the risk of a crash.
SET will notify owners, and dealers will mechanically fasten the scoop to the hood, free of charge.
Some 2005 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Servic
The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicl
To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from weather elements and in
Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood
Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fallout, and rail contamination. Follow the Removal Procedure i
Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, welding, etc. This type of contamination can be identified by the
Some 2005 2024 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Servic
The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicl
Showing the 8 most recent of 236 technical service bulletins on file with NHTSA.
- Driverâs seat back recliner mechanism / seatback locking mechanism. During a rear-end interstate collision while stopped in traffic, the driverâs seat suddenly reclined backward unexpectedly. Af
The contact owns a 2012 Toyota Tacoma. The contact stated that while driving at 35-40 MPH, coming up on fog, the driver, attempting to slow down, traveled over a slush patch in the roadway, and an ap
I was attempting to park in a parking space to return items at a department store at a mall. All of a sudden my truck accelerator on its own. The truck traveled over two cements curbs crossed a road b
June 1st 2021 I went to park in a parking space at a local mall. My truck instead of stopping it accelerated out of control jumped two stone curbs, drove though a fence and landed into a swamp. Call
June 1st 2021 I went to park in a parking space at a local mall. My truck instead of stopping it accelerated out of control jumped two stone curbs, drove though a fence and landed into a swamp. Call
Showing the 5 most serious of 406 complaints filed with NHTSA.
