2023 FORD SUPER DUTY light

Information on P Type Tires
P215/65R15 95H is an example of
a tire size, load index and speedrating. The definitions of theseitems are listed below. (Note thatthe tire size, load index and speedrating for your vehicle may bedifferent from this example.)
A.P: Indicates a tire, designatedby the Tire and Rim Association,that may be used for service oncars, sport utility vehicles,minivans and light trucks.Note: Ifyour tire size does not begin witha letter this may mean it isdesignated by either the EuropeanTire and Rim TechnicalOrganization or the Japan TireManufacturing Association.
B.215: Indicates the nominalwidth of the tire in millimetersfrom sidewall edge to sidewalledge. In general, the larger thenumber, the wider the tire.
C.65: Indicates the aspect ratiowhich gives the tire's ratio ofheight to width.
D.R: Indicates a radial type tire.
E.15: Indicates the wheel or rimdiameter in inches. If you changeyour wheel size, you will have topurchase new tires to match thenew wheel diameter.
F.95: Indicates the tire's loadindex. It is an index that relates tohow much weight a tire can carry.You may find this information inyour owner’s manual. If not,contact a local tire dealer.
Note:You may not find thisinformation on all tires because itis not required by federal law.
G.H: Indicates the tire's speedrating. The speed rating denotesthe speed at which a tire isdesigned to be driven for extendedperiods of time under a standardcondition of load and inflationpressure. The tires on your vehiclemay operate at differentconditions for load and inflationpressure. These speed ratings mayneed to be adjusted for thedifference in conditions. Theratings range from 81 mph(130 km/h) to 186 mph
(299 km/h). These ratings arelisted in the following chart.
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LT type tires have some additionalinformation beyond those of Ptype tires; these differences aredescribed below.
A.LT: Indicates a tire, designatedby the Tire and Rim Association,that is intended for service on lighttrucks.
B.Load Range and LoadInflation Limits: Indicates thetire's load-carrying capabilitiesand its inflation limits.
C.Maximum Load Dual lb (kg)at psi (kPa) cold: Indicates themaximum load and tire pressurewhen the tire is used as a dual,defined as four tires on the rearaxle (a total of six or more tires onthe vehicle).
D.Maximum Load Single lb(kg) at psi (kPa) cold: Indicatesthe maximum load and tirepressure when the tire is used asa single, defined as two tires(total) on the rear axle.
Information on T Type Tires
T145/80D16 is an example of atire size.
Note:The temporary tire size foryour vehicle may be different fromthis example. Tire Quality Gradesdo not apply to this type of tire.
T type tires have some additionalinformation beyond those of Ptype tires; these differences aredescribed below:
A.T: Indicates a type of tire,designated by the Tire and RimAssociation, that is intended fortemporary service on cars, sportutility vehicles, minivans and lighttrucks.
B.145: Indicates the nominalwidth of the tire in millimetersfrom sidewall edge to sidewalledge. In general, the larger thenumber, the wider the tire.
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C.80: Indicates the aspect ratiowhich gives the tire's ratio ofheight to width. Numbers of 70 orlower indicate a short sidewall.
D.D: Indicates a diagonal type tire.
R: Indicates a radial type tire.
E.16: Indicates the wheel or rimdiameter in inches. If you changeyour wheel size, you will have topurchase new tires to match thenew wheel diameter.
GLOSSARY OF TIRE
TERMINOLOGY
*Tire label: A label showing theoriginal equipment tire sizes,recommended inflation pressureand the maximum weight thevehicle can carry.
*Tire Identification Number(TIN): A number on the sidewallof each tire providing informationabout the tire brand andmanufacturing plant, tire size anddate of manufacture. Also referredto as DOT code.
*Inflation pressure: A measureof the amount of air in a tire.
*Standard load: A class ofP-metric or Metric tires designedto carry a maximum load at setpressure. For example: ForP-metric tires 35 psi (2.4 bar) andfor Metric tires 36 psi (2.5 bar).Increasing the inflation pressurebeyond this pressure will not
increase the tire’s load carryingcapability.
*Extra load: A class of P-metricor Metric tires designed to carry aheavier maximum load at 42 psi(2.9 bar). Increasing the inflationpressure beyond this pressure willnot increase the tire’s loadcarrying capability.
*kPa: Kilopascal, a metric unit ofair pressure.
*PSI: Pounds per square inch, astandard unit of air pressure.
*Cold tire pressure: The tirepressure when the vehicle hasbeen stationary and out of directsunlight for an hour or more andprior to the vehicle being driven for1 mi (1.6 km).
*Recommended inflationpressure: The cold inflationpressure found on the SafetyCompliance Certification Label(affixed to either the door hingepillar, door-latch post, or the dooredge that meets the door-latchpost, next to the driver's seatingposition), or Tire Label located onthe B-Pillar or the edge of thedriver door.
* B-pillar: The structural memberat the side of the vehicle behindthe front door.
*Bead area of the tire: Area ofthe tire next to the rim.
* Sidewall of the tire: Areabetween the bead area and thetread.
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1. Make sure the tires are cool,meaning they are not hot fromdriving even a mile.
Note:If you are checking tirepressure when the tire is hot, (forexample, driven more than 1 mile[1.6 kilometers]), never bleed orreduce air pressure. The tires arehot from driving and it is normal forpressures to increase aboverecommended cold pressures. Ahot tire at or below recommendedcold inflation pressure could besignificantly under-inflated.
2. Remove the cap from the valveon one tire, then firmly press thetire gauge onto the valve andmeasure the pressure.
3. Add enough air to reach therecommended air pressure.
Note:If you overfill the tire, releaseair by pressing on the metal stemin the center of the valve. Thenrecheck the pressure with your tiregauge.
4. Replace the valve cap.
5. Repeat this procedure for eachtire, including the spare.
Note:Some spare tires operate ata higher inflation pressure than theother tires. For T type mini-sparetires, (see the Dissimilar sparewheel and tire assemblyinformation for a description. Storeand maintain at 60 psi(4.15 bar)60 psi (4.15 bar). Forfull-size and dissimilar spare tires,see the Dissimilar spare wheel andtire assembly information for adescription. Store and maintain atthe higher of the front and rearinflation pressure as shown on theSafety Compliance CertificationLabel or Tire Label.
Note:Do not reduce tire pressureto change the ride characteristicsof the vehicle. If you do notmaintain the inflation pressure atthe levels specified by Ford, yourvehicle may experience a conditionknown as shimmy. Shimmy is asevere vibration and oscillation inthe steering wheel after the vehicletravels over a bump or dip in theroad that does not dampen out byitself. Shimmy may result fromsignificant under-inflation of thetires, improper tires (load range,size, or type), or vehiclemodifications such as lift-kits. Inthe event that your vehicleexperiences shimmy, you shouldslowly reduce speed by either liftingoff the accelerator pedal or lightlyapplying the brakes. The shimmywill cease as the vehicle speeddecreases.
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This type of tire utilizes steel cordsin the sidewalls. As such, theycannot be treated like normal lighttruck tires. Tire service, includingadjusting tire pressure, must beperformed by personnel trained,supervised and equippedaccording to Federal OccupationalSafety and Health Administrationregulations. For example, during
any procedure involving tireinflation, the technician orindividual must utilize a remoteinflation device, and ensure thatall persons are clear of thetrajectory area.
WARNING: Always inflatesteel carcass tires with a remoteair fill with the person inflatingstanding at a minimum of 12 ft(3.66 m) away from the wheeland tire assembly.
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REPAIRS - WHEREVERPOSSIBLE, SEE YOUR TIRERETAILER AT ONCE
If any tire sustains a puncture,have the tire demounted andthoroughly inspected by a tireretailer for possible damage thatmay have occurred. A tread areapuncture in any passenger or lighttruck tire can be repaired providedthat the puncture hole is not morethan 1/4” in diameter, not morethan one radial cable per casingply is damaged, and the tire hasnot been damaged further by thepuncturing object or by runningunderinflated. Tire puncturesconsistent with these guidelinesshould only be repaired byfollowing the US TireManufacturers Association(USTMA) recommended repairprocedures. Plug-only repairsdone on-the-wheel are consideredimproper and therefore, notrecommended. Such repairs arenot reliable and may cause furtherdamage to the tire.
STORAGE
Tires contain waxes andemollients to protect their outersurfaces from ozone and weatherchecking. As the tire rolls andflexes, the waxes and emollientscontinually migrate to the surface,replenishing this protectionthroughout the normal use of thetire. Consequently, when tires situnused for long periods of time (amonth or more) their surfaces
become dry and more susceptibleto ozone and weather checkingand the casing becomessusceptible to flat spotting.Forthis reason, tires should alwaysbe stored in a cool, dry, clean,indoor environment. If storageis for one month or more,eliminate the weight from thetires by raising the vehicle or byremoving the tires from thevehicle. Failure to store tires inaccordance with theseinstructions could result indamage to your tires orpremature aging of the tiresand sudden tire failure.
When tires are stored, be sure theyare placed away from sources ofheat and ozone such as directsunlight, hot pipes and electricgenerators. Be sure that surfaceson which tires are stored are cleanand free from grease, gasoline orother substances, which coulddeteriorate the rubber. Failure tostore tires in accordance withthese instructions could result indamage to your tires or prematureaging of the tires and sudden tirefailure.
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12.Turn the ignition off. If two short hornbeeps are heard, the reset procedurewas unsuccessful and you mustrepeat it. If after repeating theprocedure and two short beeps areheard when the ignition is turned tooff, contact your authorized dealer assoon as possible.
13.Set all six tires to the recommendedair pressure as indicated on theSafety Compliance CertificationLabel, affixed to either the door hingepillar, door-latch post, or the dooredge that meets the door-latch post,next to the driver seating position ortire label located on the B-pillar orthe edge of the driver door.
Trailer Tire Pressure MonitoringSystem (If Equipped)
Note:Additional equipment may berequired for your vehicle to support trailertire pressure and temperature monitoring.See your authorized dealer for moreinformation.
Note:The trailer tire pressure monitoringsystem is not a substitute for proper tiremaintenance. It is your responsibility tomaintain correct tire pressures at all times.
Note:Replace the screw and valve on thetrailer tire pressure sensor anytime the trailertire is repaired, replaced or in for service. Seeyour authorized dealer for details.
The trailer tire pressure monitoring systemis an added safety feature that allows youto view your trailer tire pressures andtemperatures through the instrumentcluster display. See Tire PressureMonitoring System – InformationMessages (page 508). Tire pressuresensors are mounted into each tire on yourtrailer. The sensors send a message to yourvehicle indicating the current trailer tirepressure and temperature.
If the trailer tire pressure monitoringsystem detects that a tire is low, a warningmessage appears in the instrument clusterdisplay. The trailer tire information screenin the instrument cluster display highlightsthe tire with a low pressure.
If the trailer tire pressure monitoringsystem detects that a tire temperature isover temp, a warning message appears inthe instrument cluster display. The trailertire information screen in the instrumentcluster display highlights the tire with ahigh temperature.
The main function of the trailer tirepressure monitoring system is to warn youwhen your trailer tires need air or if the tiresare experiencing high temperatures. It canalso warn you if the system is no longercapable of functioning as intended. SeeTire Pressure Monitoring System –Information Messages (page 508).
When a Temporary Spare or New Tireis Installed
If you have replaced a trailer tire with a newor spare tire, a warning message appearsand pressure readings are no longerdisplayed for that tire.
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Action RequiredPossible CauseWarning Lamp
After inflating your tires to the manufac-turer’s recommended pressure as shownon the tire label, on the edge of driverdoor or the B-pillar, drive your vehicle forat least two minutes over 20 mph(32 km/h) before the light turns off.
One or more tires aresignificantly underinflated
Solid warning lamp
On vehicles with different front and reartire pressures, the system must beretrained following every tire rotation.
Tire rotation withoutsensor training
Repair the damaged road wheel and tireand refit it to your vehicle to restoreoperation of the system.
Temporary spare wheelin useSolid warning lampor flashing warninglamp
If the tires are inflated to the recom-mended tire pressures and the temporaryspare wheel is not in use, the systemdetected a fault that requires service.Have your vehicle checked as soon aspossible.
Tire pressure monitoringsystem malfunction
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