2022 TOYOTA TUNDRA check engine light

4276-3. Do-it-yourself maintenance
6
Maintenance and care
2GR-FKS engine
Full (when cold)
Add fluid (when cold)
Full (when hot)
Add fluid (when hot)
Hot: Vehicle has been driven around 50 mph (80 km/h) for 20 minutes, or slightly longer in frigid temperatures. (Fluid
temperature, 140°F - 175°F [60°C - 80°C])
Cold: Engine has not been run for about 5 hours. (Room tem- perature, 50°F - 85°F [10°C - 30°C])
■Checking the fluid level
Make sure to check the fluid type and prepare the necessary items.
Clean all dirt off the reservoir.
Remove the cap by turning it counterclockwise.
Wipe the dipstick clean.
Reinstall the cap and remove it again.
Check the fluid level.
1
2
3
4
Fluid type Automatic transmission fluid DEXRON® II or III
Items Rag or paper, clean funnel (only for adding fluid)
WARNING
■Checking the fluid level
Take care, as the reservoir may be hot.
NOTICE
■When adding fluid
Avoid overfilling, or the power steering may be damaged.
■ After replacing the reservoir cap
Check the steering box case, vane pump and hose connections for leaks or
damage.
1
2
3
4
5

4867-2. Steps to take in an emergency
■If the malfunction indicator lamp comes on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fuel tank immediately.
● Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.
■
When the tire pressure warning light comes on (if equipped)
Check the tire inflation pressure and adjust to the appropriate level. Push-
ing the tire pressur e warning reset switch will not turn off the tire pressure
warning light.
■The tire pressure warning light may come on due to natural caus es
(if equipped)
The tire pressure warning light may come on due to natural caus es such
as natural air leaks and tire inflation pressure changes caused by tem-
perature. In this case, adjusting the tire inflation pressure w ill turn off the
warning light (after several minutes).
■When a tire is replaced with a spare tire (vehicles with the ti re pres-
sure warning system)
The temporary spare tire is not equipped with a tire pressure w arning
valve and transmitter. If a tire goes flat, the tire pressure w arning light will
not turn off even though the flat tire has been replaced with t he temporary
spare tire. Replace the temporary spare tire with the repaired tire and
adjust the tire inflation pressu re. The tire pressure warning l ight will go off
after several minutes.
■Conditions that the tire pressure warning system may not functi on
properly (if equipped)
 P. 4 3 6
■If the tire pressure warning light frequently comes on after bl inking
for 1 minute (if equipped)
If the tire pressure warning light frequently comes on after bl inking for 1
minute when the engine switch is turned to “ON” position (vehic les with-
out a smart key system) or IGNITION ON mode (vehicles with a sm art
key system), have it checked by your Toyota dealer.
■Warning buzzer
In some cases, the buzzer may not be heard because of noisy pla ce or an
audio sound.

5057-2. Steps to take in an emergency
7
When trouble arises
After taking the specified steps to correct the suspected problem,
check that the warning m essage and light go off.
Have the malfunction repaired immediately. (vehicles with a
smart key system)
Interior
buzzerExterior buzzerWarning messageDetails/Actions
Contin-
uous  The driver’s door was opened
when the shift lever was not in
P and the engine switch was
not turned off.

Shift the shift lever to P.
Contin-
uousContin-
uous
The driver’s door was opened
and closed while the elec-
tronic key was not in the vehi-
cle, the shift lever was not in P
and the engine switch was not
turned off.
Shift the shift lever to P.
 Bring the electronic key
back into the vehicle.
(Flashes)
(Displayed alternately)
(Flashes)

5488-1. Specifications
*1: Your Toyota vehicle is filled with “Toyota Genuine Differential Gear Oil” at
the factory. Use Toyota approved “Toyota Genuine Differential Gear Oil” or
an equivalent oil of matching quality to satisfy the above specification.
Please contact your Toyota dealer for further details.
*2: Except for GRN330L-PRTSHA, GRN330L-PRTLHA, GRN310L-PRTSHA and GRN310L-PRTLHA models
*6 without rear differential lock system
*3: For GRN330L-PRTSHA, GRN330L -PRTLHA, GRN310L-PRTSHA and
GRN310L-PRTLHA models
*6 without rear differential lock system
*4: Except for GRN330L-PRTSHA, GRN330L-PRTLHA, GRN310L-PRTSHA and GRN310L-PRTLHA models
*6 with rear differential lock system
*5: For GRN330L-PRTSHA and GRN310L-PRTSHA models*6 with rear differ-
ential lock system
*6: The model code is indicated on the Certification Label. ( P. 543)
Electrical system
Battery
Open voltage at 68F
(20 C):
12.3V or higher
(Voltage is checked 20 minutes after the engine
and all lights are turned off.
After charging the battery, turn on the high beam
headlights for 30 seconds with the engine switch
to the “LOCK” position [vehicles without a smart
key system] or off [vehicles with a smart key sys-
tem], and turn the headlights off.)
Charging rates5 A max.
Differential
Oil capacity
(Reference)
Front (4WD models) 1.6 qt. (1.5 L, 1.3 Imp.qt.)
Rear
Vehicles with an automatic trans-
mission
3.1 qt. (2.9 L, 2.6 Imp.qt.)
*2
3.22 qt. (3.05 L, 2.68 Imp.qt.)*3
4.0 qt. (3.8 L, 3.3 Imp.qt.)*4
4.2 qt. (4.0 L, 3.5 Imp.qt.)*5
Vehicles with a manual transmis-
sion
4.0 qt. (3.8 L, 3.3 Imp.qt.)
Oil type and viscosity*1Toyota Genuine Differential Gear Oil
LT 75W-85 GL-5 or equivalent

598What to do if... (Troubleshooting)
●Vehicles without a smart key system:
It is locked to prevent theft of the vehicle if the key is removed from the
engine switch. ( P. 202)
●Vehicles with a smart key system:
It is locked automatically to prevent theft of the vehicle. ( P. 207)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be oper-
ated if the window lock switch is pressed. ( P. 156)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a peri od of
time. ( P. 206)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (P. 483)
●The parking brake indicator is on
Is the parking brake released? ( P. 218)
Depending on the situation, other types of warning buzzer may also sound.
( P. 483, 496)
●Is the electronic key left inside the vehicle?
Check the message on the multi-information display. ( P. 489)
The steering wheel cannot be turned after the engine is
stopped
The windows do not open or close by operating the power
window switches
The engine switch is turned off automatically
(vehicles with a smart key system)
A warning buzzer sounds during driving
A warning buzzer sounds w hen leaving the vehicle
(vehicles with a smart key system)

602Alphabetical index
Child safety ................................ 53Airbag precautions .................. 39
Battery precautions ............... 533
Child restraint system ............. 54
How your child should wear the seat belt ................. 32
Installing child restraints ......... 58
Moon roof precautions .......... 165
Power back window precautions ......................... 161
Power window lock switch .... 156
Power window precautions ... 158
Rear door child-protector ...... 123
Removed wireless remote control/electronic key
battery precautions ............. 453
Seat belt extender precautions ........................... 35
Seat belt precautions .............. 57
Seat heater precautions........ 351
Child-protectors....................... 123
Cleaning ........................... 402, 406 Aluminum wheels.................. 403
Exterior ................................. 402
Interior................................... 406
Seat belts .............................. 407
Clock
*
Compass .................................. 397
Condenser ................................ 425
Console box ............................. 358
Consumption screen ....... 103, 109
Cooling system ........................ 423 Capacity ................................ 547
Checking ............................... 423
Engine overheating ............... 534
Preparing and checking before winter....................... 328 Crawl Control ........................... 317
CRS ............................................. 54
Cruise control
Cruise control ....................... 279
Dynamic radar cruise control ................................ 265
Cup holders ............................. 359
Curtain shield airbags............... 37
Customizable features ............ 568
Daytime running light system.................................... 221
Deck hooks .............................. 367
Defogger Outside rear view
mirrors ........................ 340, 347
Windshield .................... 340, 347
Differential................................ 548
Dimensions .............................. 540
Dinghy towing.......................... 200
Display
Drive information .................. 103
Dynamic radar cruise control ................................ 265
LDA (Lane Departure Alert) ....... 257
Multi-information display ....... 102
Warning message................. 489
Do-it-yourself maintenance .... 415
Door lock Doors .................................... 119
Key ....................................... 119
Smart key system ................. 120
Wireless remote control ........ 119
D

604Alphabetical index
Emergency flashers ................ 472
EngineCompartment ........................ 419
Engine switch................ 201, 204
Hood ..................................... 417
How to start the engine......................... 201, 204
Identification number ............ 543
If the engine will not start ...... 526
Ignition switch (engine switch) ........... 201, 204
Immobilizer system ................. 78
Overheating .......................... 534
Engine coolant ......................... 423 Capacity ................................ 547
Checking ............................... 423
Preparing and checking before winter....................... 328
Engine coolant temperature
gauge........................................ 98
Engine immobilizer system ...... 78
Engine oil ................................. 421 Capacity ................................ 545
Checking ............................... 421
Oil level warning message .... 492
Oil pressure warning message ............................. 490
Preparing and checking
before winter....................... 328
Engine switch (ignition switch)............. 201, 204
Engine switch light (ignition switch light) ............ 353
Event data recorder (EDR) ........ 11 Flat tire ..................................... 511
Floor mats .................................. 26
Fluid
Automatic transmission ........ 549
Brake .................................... 550
Power steering...................... 550
Washer ................................. 430
Fog lights ................................. 228 Replacing light bulbs ............ 463
Switch ................................... 228
Wattage ................................ 553
Four-wheel drive system ........ 302
Front passenger occupant classification system .............. 48
Front personal lights............... 354
Front seats ............................... 139 Adjustment............................ 139
Cleaning ............................... 406
Correct driving posture ........... 28
Head restraints ..................... 145
Seat heaters ......................... 351
Front side marker lights
Light switch ........................... 219
Replacing light bulbs ............ 461
Wattage ................................ 553
Front turn signal lights Replacing light bulbs ............ 462
Turn signal lever ................... 217
Wattage ................................ 553F

612Alphabetical index
Tachometer ................................ 98
Tail lights .................................. 219Light switch ........................... 219
Replacing light bulbs............. 465
Wattage ................................ 553
Tailgate Removing the tailgate ........... 127
Tailgate ................................. 126
Talk switch
*
Telephone switches*
Theft deterrent system Alarm ...................................... 88
Engine immobilizer system ..... 78
Tire inflation pressure ............. 442 Maintenance data ................. 551
Warning light ......................... 484
Warning message ......... 491, 493
Tire information ....................... 557 Glossary................................ 563
Size ....................................... 559
Tire identification number ..... 558
Uniform Tire Quality
Grading............................... 561
Tire pressure warning system .................................... 432
Initializing .............................. 433
Installing tire pressure warning valves and
transmitters......................... 432
Registering ID codes ............ 434
Tire pressure warning reset
switch ................................. 433
Warning light ......................... 484
Warning message ......... 491, 493 Tires .......................................... 431
Chains .................................. 329
Checking............................... 431
If you have a flat tire ............. 511
Inflation pressure .................. 551
Information............................ 557
Replacing.............................. 511
Rotating tires ........................ 431
Size....................................... 551
Snow tires ............................. 330
Spare tire .............................. 512
Tire pressure warning system .......... ...................... 432
Warning light......................... 484
Warning message......... 491, 493
Tonneau cover ......................... 368
Tools ......................................... 512
Top tether strap ................... 66, 68
Total load capacity .......... 182, 541
Towing
Bumper towing...................... 190
Dinghy towing ....................... 200
Emergency towing ................ 479
Trailer towing ........................ 183
Toyota Safety Sense P ............ 236
Automatic High Beam ........... 223
Dynamic radar cruise control ................................ 265
LDA (Lane Departure Alert) ....... 257
PCS
(Pre-Collision System) ....... 244
TRAC (Traction Control) ......... 322
Transmission ........................... 210 Automatic transmission ........ 210
If the shift lever cannot be shifted from P ..................... 213
Manual transmission............. 215
Power mode switch .............. 211
S mode ................................. 212
T