check engine FORD SUPER DUTY 2023 Owners Manual

Glasses Holder.............................................201
Starting and Stopping theEngine
Starting and Stopping the Engine –Precautions...............................................202
Ignition Switch.............................................202
Push Button Ignition Switch...................203
Starting the Engine....................................203
Engine Block Heater..................................205
Stopping the Engine.................................206
Idle Timer.......................................................207
Automatic Engine Stop...........................208
Accessing the Passive Key BackupPosition......................................................209
Starting and Stopping the Engine –Troubleshooting.....................................209
Starting and Stopping the Engine Videos.........................................................................213
Fuel and Refueling
Fuel and Refueling Precautions.............214
Fuel Quality....................................................214
Running Out of Fuel....................................217
Refueling.........................................................218
Fuel Tank Capacity....................................220
Fuel and Refueling – Troubleshooting........................................................................220
Diesel Particulate Filter
What Is the Diesel Particulate Filter......221
How Does the Diesel Particulate FilterWork..............................................................221
Diesel Particulate Filter Precautions.........................................................................221
Diesel Particulate Filter Requirements........................................................................222
Diesel Particulate Filter ManualRegeneration............................................222
Diesel Particulate Filter –Troubleshooting......................................224
Selective Catalytic ReductionSystem
What Is the Selective CatalyticReduction System..................................226
How Does the Selective CatalyticReduction System Work......................226
Selective Catalytic Reduction SystemPrecautions...............................................226
Selective Catalytic Reduction SystemRequirements..........................................228
Selective Catalytic Reduction SystemGuidelines..................................................228
Filling the Selective Catalytic ReductionSystem Tank.............................................228
Checking the Selective CatalyticReduction System Status...................230
Diesel Exhaust Fluid Capacity andSpecification............................................230
Selective Catalytic Reduction System –Troubleshooting......................................230
Catalytic Converter
What Is the Catalytic Converter............233
Catalytic Converter Precautions...........233
Catalytic Converter – Troubleshooting........................................................................233
Automatic Transmission
Automatic Transmission Precautions........................................................................234
Automatic Transmission Positions......234
Shifting Your Vehicle Into Gear..............235
Automatic Transmission PositionIndicators...................................................235
Manually Shifting Gears...........................235
Using Progressive Range Selection......236
Automatic Transmission AudibleWarnings....................................................236
Power Take-Off...........................................236
Four-Wheel Drive
How Does Four-Wheel Drive Work......238
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2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMTable of Contents

Four-Wheel Drive Precautions..............239
Four-Wheel Drive Limitations................239
Switching Four-Wheel Drive On and Off........................................................................240
Selecting a Four-Wheel Drive Mode.....241
Four-Wheel Drive Modes.........................242
Four-Wheel Drive Indicators...................242
Transfer Case Fluid Capacity andSpecification............................................242
Four-Wheel Drive – Troubleshooting........................................................................242
Electronic Locking Differential
What Is the Electronic LockingDifferential................................................245
How Does the Electronic LockingDifferential Work.....................................245
Electronic Locking DifferentialPrecautions...............................................245
Switching the Electronic LockingDifferential On and Off - 4x4.............245
Switching the Electronic LockingDifferential On and Off - 4x2..............247
Electronic Locking Differential Indicators........................................................................247
Electronic Locking Differential –Troubleshooting.....................................248
Brakes
Brake Precautions......................................249
Anti-Lock Braking System......................249
Brake Over Accelerator.............................249
Locating the Brake Fluid Reservoir......249
Checking the Brake Fluid.........................249
Brake Fluid Specification.........................250
Brakes – Troubleshooting.......................250
Electric Parking Brake
What Is the Electric Parking Brake.......253
Applying the Electric Parking Brake......253
Applying the Electric Parking Brake in anEmergency................................................253
Manually Releasing the Electric ParkingBrake............................................................253
Automatically Releasing the ElectricParking Brake...........................................254
Electric Parking Brake Audible Warning........................................................................254
Releasing the Electric Parking Brake ifthe Vehicle Battery Has Run Out ofCharge........................................................254
Electric Parking Brake – Troubleshooting........................................................................254
Diesel Engine Exhaust Brake
Diesel Engine Exhaust Brake –Precautions...............................................256
Using the Diesel Engine Exhaust Brake........................................................................256
Diesel Engine Exhaust Brake Indicators........................................................................257
Diesel Engine Exhaust Brake Gauge.....257
Diesel Engine Exhaust Brake –Troubleshooting......................................257
Diesel Engine Exhaust Brake Videos........................................................................257
Reverse Brake Assist
What Is Reverse Brake Assist.................258
How Does Reverse Brake Assist Work........................................................................258
Reverse Brake Assist Precautions........258
Switching Reverse Brake Assist On andOff................................................................259
Overriding Reverse Brake Assist...........259
Reverse Brake Assist Indicators............259
Reverse Brake Assist – Troubleshooting.......................................................................260
Cross Traffic Braking
What Is Cross Traffic Braking.................262
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2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMTable of Contents

Wheel and Tire Information
Locating the Tire label..............................478
Department of Transportation UniformTire Quality Grades................................478
Information on the Tire Sidewall..........479
Glossary of Tire Terminology.................484
Tire Replacement Requirements.........485
Using Snow Chains....................................487
Tire Care
Checking the Tire Pressures..................490
Inflating the Tires.......................................490
Inspecting the Tire for Wear...................494
Inspecting the Tire for Damage............494
Inspecting the Wheel Valve Stems......498
Tire Rotation................................................498
Tire Pressure MonitoringSystem
What Is the Tire Pressure MonitoringSystem........................................................501
Tire Pressure Monitoring SystemOverview.....................................................501
Tire Pressure Monitoring SystemPrecautions..............................................502
Tire Pressure Monitoring SystemLimitations................................................502
Viewing the Tire Pressures.....................503
Resetting Tire Pressure MonitoringSystem.......................................................503
Tire Pressure Monitoring System –Troubleshooting.....................................506
Tire Pressure Monitoring System Videos.......................................................................508
Changing a Road Wheel
Changing a Flat Tire..................................509
Wheel Nuts....................................................519
Capacities and Specifications
Engine Specifications - 6.7L Diesel......520
Engine Specifications - 6.8L, Gasoline.........................................................................521
Engine Specifications - 7.3L, Gasoline........................................................................522
Motorcraft Parts - 6.7L Diesel................523
Motorcraft Parts - 6.8L, Gasoline.........524
Motorcraft Parts - 7.3L, Gasoline..........525
Engine Oil Capacity and Specification -6.7L Diesel.................................................526
Engine Oil Capacity and Specification -6.8L, Gasoline..........................................528
Engine Oil Capacity and Specification -7.3L, Gasoline...........................................530
Cooling System Capacity andSpecification - 6.7L Diesel...................532
Cooling System Capacity andSpecification - 6.8L, Gasoline............533
Cooling System Capacity andSpecification - 7.3L, Gasoline.............534
Fuel Tank Capacity - Diesel....................534
Fuel Tank Capacity - Gasoline...............535
Air Conditioning System Capacity andSpecification............................................536
Washer Fluid Specification.....................536
Diesel Exhaust Fluid Capacity andSpecification.............................................537
Automatic Transmission Fluid Capacityand Specification - Diesel...................538
Automatic Transmission Fluid Capacityand Specification - Gasoline.............538
Brake Fluid Specification.........................539
Transfer Case Fluid Capacity andSpecification............................................540
Front Axle Fluid Capacity andSpecification............................................540
Rear Axle Fluid Capacity andSpecification............................................542
Hydraulic Power Steering Fluid Capacityand Specification...................................546
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2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMTable of Contents

SYMBOLS USED ON YOUR
VEHICLE
These are some of the symbols you maysee on your vehicle.
Airbag
Air conditioning system
Air conditioning system lubricanttype
Anti-lock braking system
Avoid smoking, flames or sparks
Battery
Battery acid
Blower motor
Brake fluid - non petroleumbased
Brake system
Brake system
Cabin air filter
Check fuel cap
Child safety door lock or unlock
Child seat lower anchor
Child seat tether anchor
Cruise control
Do not open when hot
Electric Parking brake
Engine air filter
Engine coolant
Engine coolant temperature
Engine oil
Explosive gas
Fan warning
Fasten seatbelt
Flammable
Front fog lamps
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Note:You need two factory keys in yourvehicle to complete the setup of a digitalkey. Factory keys are the keys that camewith your vehicle.
Sharing a Digital Key
You can share keys to other users from theowner phone by using Apple Wallet orGoogle Wallet.
Note:Check with your device'smanufacturer for the latest information onsharing a key.
Deleting a Digital Key
Deleting Your Own Digital Key
You can delete your digital key from yourown device by using Apple Wallet orGoogle Wallet.
Note:Check with your device'smanufacturer for the latest information ondeleting a key.
Deleting a Shared Key Remotely
You can delete a shared key remotely fromthe owner phone by using Apple Wallet orGoogle Wallet.
Note:Check with your device'smanufacturer for the latest information ondeleting a key.
Deleting All Digital Keys
1.Start your vehicle with a factory key.
Note:A factory key is a key that came withyour vehicle.
2.Perform a system reset. SeePerforming a System Reset (page584).
Note:If you have added user key cards toyour vehicle, the reset deletes those as well.
Locking and Unlocking YourVehicle
Tap your device on the exteriorkey reader, over the keyless entrykeypad, to lock or unlock thedriver door. See Locating the KeyReaders (page 73).
If your vehicle is locked and you tap yourdevice on the key reader, your vehicleunlocks. If your vehicle is unlocked and youtap your device on the key reader, yourvehicle locks.
Note:Hold your device over the exterior keyreader for a few seconds to lock or unlockall doors.
Starting Your Vehicle
Using the Exterior Key Reader
You can start your vehicle without havingto tap your device on the interior key readerif you press the ignition switch within 60seconds of unlocking your vehicle usingthe exterior key reader.
1.
Tap your key card or digitalkey on the key reader, over the keylessentry keypad. See Locating the KeyReaders (page 73).
2.Enter your vehicle.
3.Fully press the brake pedal.
4.Press the push button ignition switch.See Starting and Stopping theEngine (page 202).
Using the Interior Key Reader
1.Fully press the brake pedal.
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WHAT ARE THE INSTRUMENT
CLUSTER WARNING LAMPS
Warning lamps alert you to a vehiclecondition that could become serious.Some lamps illuminate when you startyour vehicle to make sure they work. If anylamps remain on after starting your vehicle,refer to the respective system warninglamp for further information.
INSTRUMENT CLUSTER
WARNING LAMPS
Depending on your vehicle options, somewarning lamps can appear different or notat all.
Anti-Lock Brake System
If it illuminates when you aredriving, this indicates amalfunction. Your vehiclecontinues to have normal braking withoutthe anti-lock brake system function. Haveyour vehicle checked as soon as possible.
Battery
It illuminates when you switchthe ignition on.
If it illuminates when the engineis running, this indicates your vehiclerequires service. Have your vehiclechecked as soon as possible.
Brake System
It illuminates when you apply theparking brake and the ignition ison. If it illuminates when yourvehicle is moving, make sure theparking brake is released. If theparking brake is released, thisindicates low brake fluid level or the brakesystem requires service. Have your vehiclechecked as soon as possible.
Note:Indicators may vary depending onregion.
Diesel Exhaust Fluid
Illuminates when the dieselexhaust fluid is low,contaminated or the systemrequires service. See Selective CatalyticReduction System (page 226).
Door Ajar
It illuminates when you switchthe ignition on and remains on ifany door is open.
Electric Parking Brake
It illuminates or flashes when theelectric parking brake requiresservice.
Note:Indicators may vary depending onregion.
Engine Coolant Temperature
If it illuminates, safely stop yourvehicle and switch the vehicleoff.
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Fasten Seatbelt
It illuminates and a tone soundsuntil you fasten the seatbelts.
Hood Ajar
It illuminates when the ignitionis on and the hood is notcompletely closed.
Low Fuel Level
It illuminates when the fuel levelis low.
Low Tire Pressure
It illuminates when your tirepressure is low. If illuminated,check your tire pressure as soonas possible. If it begins to flash at anytime,have the system checked as soon aspossible.
Low Washer Fluid Level
It illuminates when the washerfluid is low.
Malfunction Indicator Lamp
It illuminates when the ignitionis on and the engine is off, this isnormal. If it illuminates when theengine is on this indicates the emissioncontrol system requires service. If it flashes,have your vehicle checked immediately.See Emission Law (page 700). SeeStarting and Stopping the Engine –Warning Lamps (page 209).
Oil Pressure
It illuminates when the engineoil pressure is low.
Powertrain Malfunction, ReducedPower, Electronic Throttle Control,Check 4X4
Illuminates when the powertrainor four-wheel drive requireservice. Have the systemchecked as soon as possible.
Tailgate Ajar
It illuminates when the ignitionis on and the tailgate is notcompletely closed.
Water in Fuel
It illuminates when the fuel andwater separator has a significantquantity of water in it andrequires immediate draining.
WHAT ARE THE INSTRUMENT
CLUSTER INDICATORS
Indicators notify you of various featuresthat are active on your vehicle.
INSTRUMENT CLUSTER
INDICATORS
Depending on your vehicle options, somewarning lamps can appear different or notat all.
Adaptive Cruise Control
See Adaptive Cruise Control(page 296).
Automatic High Beam
See Automatic High BeamControl Indicators (page 123).
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2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMInstrument ClusterE71880 E296055 E139232 E132353 E67028 E67022 E324523 E144524 E146105

Switching the Ignition On
Turn the key to position II. All electricalcircuits and accessories are operationaland the warning lamps and indicatorsilluminate.
PUSH BUTTON IGNITION
SWITCH (IF EQUIPPED)
Switching the Ignition Off
When the ignition is on or in accessorymode, press the push button ignitionswitch once without your foot on the brakepedal.
Switching the Ignition toAccessory Mode
When the ignition is off, press the pushbutton ignition switch once without yourfoot on the brake pedal.
All electrical circuits and accessories areoperational and the warning lamps andindicators illuminate.
Note:Your vehicle has a battery saverfeature that shuts your vehicle off when itdetects a certain amount of battery drain,or after approximately 30 minutes ofinactivity in accessory mode.
Note:The system may not function if theremote control is close to metal objects orelectronic devices, for example keys or a cellphone.
Note:You need a valid key inside yourvehicle to switch the ignition on and startthe engine.
STARTING THE ENGINE
STARTING A GASOLINE ENGINE -VEHICLES WITHOUT: PUSHBUTTON START
Before starting your vehicle, check thefollowing:
•Make sure that the headlamps andelectrical accessories are off.
•Make sure that the parking brake is on.
•Make sure that the transmission is inpark (P).
1.Fully press the brake pedal.
Note:Do not touch the accelerator pedal.
2.Turn the key to position III.
Note:The engine may continue crankingfor up to 15 seconds or until it starts.
Note:The engine takes longer to start atlower temperatures. It may crank for severalseconds when very cold.
STARTING A GASOLINE ENGINE -VEHICLES WITH: PUSH BUTTONSTART
Before starting your vehicle, check thefollowing:
•Make sure that the headlamps andelectrical accessories are off.
•Make sure that the parking brake is on.
•Make sure that the transmission is inpark (P).
1.Fully press the brake pedal.
Note:Do not touch the accelerator pedal.
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2.Press the push button ignition switch.
Note:The engine may continue crankingfor up to 15 seconds or until it starts.
Note:The engine takes longer to start atlower temperatures. It may crank for severalseconds when very cold.
STARTING A DIESEL ENGINE -VEHICLES WITHOUT: PUSHBUTTON START
Before starting your vehicle, check thefollowing:
•Make sure that the headlamps andelectrical accessories are off.
•Make sure that the parking brake is on.
•Make sure that the transmission is inpark (P).
1.Turn the key to position II.
Note:Wait until the glow plug indicatorturns off.
2.Fully press the brake pedal.
Note:Do not touch the accelerator pedal.
3.Turn the key to position III.
Note:The engine may continue crankingfor up to 15 seconds or until it starts.
Note:The engine takes longer to start atlower temperatures. It may crank for severalseconds when very cold.
Glow Plug Indicator
If it illuminates, wait until theglow plug indicator turns offbefore starting the engine.
STARTING A DIESEL ENGINE -VEHICLES WITH: PUSH BUTTONSTART
Before starting your vehicle, check thefollowing:
•Make sure that the headlamps andelectrical accessories are off.
•Make sure that the parking brake is on.
•Make sure that the transmission is inpark (P).
1.Fully press the brake pedal.
Note:Do not touch the accelerator pedal.
2.Press the push button ignition switch.
Note:The engine may continue crankingfor up to 15 seconds or until it starts.
Note:The engine takes longer to start atlower temperatures. It may crank for severalseconds when very cold.
Glow Plug Indicator
The engine does not start untilthe glow plug indicator turns off.This may take several secondsin extremely cold conditions.
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RESTARTING THE ENGINE AFTERSTOPPING IT - VEHICLES WITH:PUSH BUTTON START
The system allows you to start the enginewithin 10 seconds of switching it off, evenif it does not detect a valid passive key.
Within 10 seconds of switching the engineoff, fully press the brake pedal and pressthe push button ignition switch. After 10seconds, you can no longer start the engineif the system does not detect a validpassive key.
When you start the engine, it remainsrunning until you press the push buttonignition switch, even if your vehicle doesnot detect a valid passive key. If you openand close a door when the engine isrunning, the system searches for a validpassive key.
ENGINE BLOCK HEATER (IF
EQUIPPED)
ENGINE BLOCK HEATERPRECAUTIONS
WARNING: Failure to follow engineblock heater instructions could result inproperty damage or serious personalinjury.
WARNING: Do not use your heaterwith ungrounded electrical systems ortwo-pronged adapters. There is a risk ofelectrical shock.
WARNING: Do not fully close thehood, or allow it to drop under its ownweight when using the engine blockheater. This could damage the powercable and may cause an electrical shortresulting in fire, injury and propertydamage.
We recommend that you do the followingfor a safe and correct operation:
•Use a 16-gauge outdoor extension cordthat is product certified byUnderwriter’s Laboratory (UL) orCanadian Standards Association(CSA). This extension cord must besuitable for use outdoors, in coldtemperatures, and be clearly markedSuitable for Use with OutdoorAppliances. Do not use an indoorextension cord outdoors. This couldresult in an electric shock or become afire hazard.
•Use as short an extension cord aspossible.
•Do not use multiple extension cords.
•Make sure that when in operation, theextension cord plug and engine blockheater cord plug connections are freeand clear of water. This could cause anelectric shock or fire.
•If the engine block heater cord is underthe hood, do not remove the wiringfrom its original location. Do not closethe hood on the extension wiring.
•Park your vehicle in a clean area, clearof combustible materials.
•Firmly connect the engine block heatercord and the extension cord.
•Check the extension cord for heatanywhere when the system has beenoperating for approximately 30minutes.
•Unplug and properly stow the systembefore starting and driving your vehicle.The protective cover seals theterminals of the engine block heatercord plug when not in use.
•Check the engine block heater systemfor proper operation before winter.
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