2023 JEEP COMPASS ECU

290SERVICING AND MAINTENANCE
Interior Fuses
The interior fuse panel is located in the passenger compartment on the left side dash panel under the instrument panel.
CavityBlade Fuse Description
*If Equipped
F31 7.5 Amp Brown Occupant Restraint Controller
F33 20 Amp Yellow Window Motor Passenger
F34 20 Amp Yellow Window Motor Driver
F36 20 Amp YellowIntrusion Module/Siren, Radio, UCI/USB Port, VSU, Climate Control,
Electronic Steering Lock, Power Folding Mirrors, Security Gateway/DTV
F37 10 Amp RedInstrument Panel Cluster, Drivetrain Control Module, Adaptive Cruise,
ECC (HVAC) Blower
F38 20 Amp Yellow Door Lock/Unlock, Liftgate Release
F42 7.5 Amp Brown Brake System Module, Electric Power Steering
F43 20 Amp Yellow Washer Pump Front And Rear
F47 20 Amp Yellow Rear Left Window Lifter
F48 20 Amp Yellow Rear Right Window Lifter
F49 7.5 Amp BrownPark Assist, Blind Spot, Voltage Stabilizer, Humidity Sensor, Electronic Steering Lock,
Temp Sense, Mirror, Heated Seats, Light And Rain Sensor, Start Stop Switch
F50 7.5 Amp Brown Occupant Restraint Controller
F51 7.5 Amp BrownElectronic Climate Control, Occupant Classification, Rear View Camera, Climate Control,
Headlamp Leveling, Terrain Select, Heated Rear Window, Trailer Tow, Haptic Lane Mod
F53 7.5 Amp Brown Keyless Ignition Node Module, Electric Park Brake, RF Hub, Cluster
F94 15 Amp Blue Lumbar Adjust Driver Seat, Power Outlets

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INDEX
A
Active Lane Management System................. 145Adaptive Cruise Control (ACC)........................ 116Adding Engine Coolant (Antifreeze)............... 280Additives, Fuel............................................... 322Air Bag........................................................... 214Air Bag Operation...................................... 215Air Bag Warning Light...................... 213, 216Driver Knee Air Bag................................... 219Enhanced Accident Response......... 224, 266Event Data Recorder (EDR)....................... 266Front Air Bag............................................. 216If Deployment Occurs................................ 223Knee Impact Bolsters................................ 219Maintaining Your Air Bag System.............. 227Maintenance............................................. 227Redundant Air Bag Warning Light.............214Side Air Bags............................................. 220Transporting Pets...................................... 240Air Bag Light........................................ 213, 241Air Cleaner, Engine
(Engine Air Cleaner Filter).............................. 274Air Conditioner Maintenance......................... 274Air Conditioner Refrigerant.................. 274, 275Air Conditioner System.................................. 274Air Conditioning Filter............................. 57, 275
Air Conditioning, Operating Tips....................... 56Air Filter........................................................ 274Air PressureTires......................................................... 306AlarmArm The System.......................................... 21Disarm The System..................................... 22Security Alarm...................................... 21, 92Alarm SystemSecurity Alarm............................................. 21Alterations/ModificationsVehicle......................................................... 10Antifreeze (Engine Coolant)................. 280, 323Disposal................................................... 281Anti-Lock Brake System (ABS)...................... 187Anti-Lock Warning Light................................... 92Arming SystemSecurity Alarm............................................. 21Assist, Hill Start............................................. 193Audio Systems (Radio).................................. 164Auto Down Power Windows............................. 62Auto Hold...................................................... 105Automatic Dimming Mirror............................... 37Automatic Door Locks...................................... 25Automatic Headlights....................................... 45Automatic High Beams.................................... 45
Automatic Temperature Control (ATC)..............56Automatic Transaxle..................................... 106Automatic Transmission................................ 107Adding Fluid..................................... 283, 324Fluid And Filter Change............................. 283Fluid Change............................................. 283Fluid Level Check...................................... 283Fluid Type........................................ 283, 324Special Additives...................................... 283Automatic Transmission Limp Home Mode......25Auxiliary Electrical Outlet (Power Outlet)..........59Axle Fluid....................................................... 324Axle Lubrication............................................ 324
B
Battery................................................... 90, 272Charging System Light.................................90Keyless Key Fob Replacement....................15Battery Saver Feature......................................88Belts, Seat.................................................... 241Blind Spot Monitoring................................... 194Body Mechanism Lubrication........................ 275B-Pillar Location............................................ 303Brake Assist System..................................... 188Brake Control System, Electronic.................. 188Brake Fluid.................................................... 324
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330 Brake System
...................................... 282, 319Anti-Lock (ABS).......................................... 319Fluid Check..................................... 282, 324Master Cylinder......................................... 282Parking...................................................... 103Warning Light.............................................. 90Brake/Transmission Interlock....................... 107Brightness, Interior Lights......................... 46, 47Bulb Replacement......................................... 291Bulbs, Light.................................................... 242
C
Camera, Rear...................................... 148, 150Capacities, Fuel............................................. 323Caps, Filler Fuel........................................................... 152Oil (Engine)................................................ 271Radiator (Coolant Pressure)...................... 281Car Washes................................................... 316Carbon Monoxide Warning............................ 243Cargo Area Cover............................................. 70Cargo Load Floor............................................. 70Cargo Tie-Downs....................................... 70, 71Cellular Phone............................................... 186Certification Label......................................... 153Chains, Tire.................................................... 311Change Oil Indicator........................................ 80Changing A Flat Tire....................................... 247Chart, Tire Sizing............................................ 299
Check Engine Light
(Malfunction Indicator Light)............................ 99Checking Your Vehicle For Safety................. 240Checks, Safety.............................................. 240Child Restraint.............................................. 228Child RestraintsBooster Seats........................................... 231Child Seat Installation.............................. 239How To Stow An unused ALR Seat Belt.... 236Infant And Child Restraints....................... 230Lower Anchors And TethersFor Children......................................... 233Older Children And Child Restraints......... 230Seating Positions...................................... 232Child Safety Locks........................................... 25Clean Air Gasoline......................................... 320CleaningWheels..................................................... 315Windshield Wiper Blades.......................... 275Climate Control................................................ 50Automatic.................................................... 50Manual........................................................ 53Coin Holder...................................................... 58Cold Weather Operation............................... 101Compact Spare Tire...................................... 310ConnectorUniversal Consumer Interface (UCI)............. 58Console............................................................ 58Floor............................................................ 58
Contract, Service........................................... 326Cooling Pressure Cap (Radiator Cap)............ 281Cooling System............................................. 279Adding Coolant (Antifreeze)...................... 280Coolant Level................................... 280, 281Cooling Capacity....................................... 323Disposal Of Used Coolant......................... 281Drain, Flush, And Refill............................. 280Inspection................................................. 281Points To Remember................................ 281Pressure Cap............................................ 281Radiator Cap............................................. 281Selection Of Coolant (Antifreeze)..... 280, 323Corrosion Protection..................................... 315Cruise Control (Speed Control)...................... 116Cruise Light............................................... 97, 98Customer Assistance.................................... 325Cybersecurity................................................ 164
D
Daytime Running Lights............................43, 44Defroster, Windshield................................... 241Dimmer SwitchHeadlight..............................................43, 44DipsticksOil (Engine)............................................... 272Disabled Vehicle Towing............................... 264DisposalAntifreeze (Engine Coolant)...................... 281

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Key Fob Programming
(Remote Keyless Entry)
................................... 16Keyless Enter 'n Go™................................ 14, 23Keys................................................................. 14
L
Lane Change And Turn Signals................. 43, 46Lane Change Assist.................................. 43, 46Lane Management System............................ 145LaneSense...................................................... 96Lap/Shoulder Belts....................................... 206Latches.......................................................... 242Hood........................................................... 66Leaks, Fluid................................................... 242Life Of Tires................................................... 308Liftgate..................................................... 66, 67Hands-Free.................................................. 69Liftgate Window Wiper/Washer....................... 49Light Bulbs..................................................... 242Lights............................................................. 2424WD Lock.................................................... 964WD Low..................................................... 96Active Speed Limiter Fault........................... 96Air Bag.......................................89, 213, 241Anti Lock Brake System............................... 92Automatic Headlights.................................. 45Automatic High Beam.................................. 97Battery Charge............................................ 90Battery Saver............................................... 46Brake Assist Warning................................ 191
Brake Warning............................................. 90Bulb Replacement.................................... 291Cruise................................................... 97, 98Daytime Running.................................. 43, 44Dimmer Switch, Headlight.................... 43, 44Door Open................................................... 90Drowsiness Detected.................................. 91Electric Power Steering Fault....................... 91Electronic Park Brake.................................. 93Electronic Stability Control........................... 93Electronic Throttle Control........................... 91Engine Temperature.................................... 91Exterior..................................................... 242Fog....................................................... 46, 96Forward Collision Warning........................... 96Fuel Cutoff................................................... 93Headlight Switch.......................................... 44Headlights............................................ 43, 44High Beam............................................ 44, 97High Beam/Low Beam Select............... 43, 44Hill Descent Control..................................... 97Hill Descent Control Indicator................... 191Hood Open.................................................. 91Immobilizer Fail VPS Electrical Alarm.......... 96Instrument Cluster................................ 43, 44Intensity Control................................... 46, 47Interior......................................................... 46LaneSense.................................... 93, 96, 97Liftgate Open............................................... 91Lights On Reminder.............................. 43, 45
Low Coolant Level........................................93Low Fuel......................................................93Low Washer Fluid........................................93Malfunction Indicator (Check Engine)..........93Oil Pressure.................................................91Oil Temperature...........................................92Park.............................................................96Passing.................................................43, 45Seat Belt Reminder.....................................92Security Alarm.............................................92Service...................................................... 291Service 4WD................................................94Service Forward Collision Warning...............94Service Stop Start........................................94Stop Start Active..........................................97Tire Pressure Monitoring (TPMS)....... 94, 201Towing Hook Breakdown.............................95Traction Control........................................ 191Transmission Fault......................................92Transmission Temperature..........................92Turn Signals......................... 43, 46, 97, 242Vanity Mirror................................................38Load Floor, Cargo.............................................70Loading Vehicle............................................. 153Tires.......................................................... 303Locks Auto Unlock.................................................25Child Protection...........................................25Power Door..................................................23Low Tire Pressure System............................. 201
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Rear Seats, Folding
......................................... 30Rear Wiper/Washer......................................... 49Recreational Towing...................................... 160Reformulated Gasoline.................................. 320Refrigerant.................................................... 275Release, Hood................................................. 66Reminder, Lights On................................. 43, 45Reminder, Seat Belt...................................... 205Remote Control Starting System........................................... 19Remote Keyless Entry...................................... 14Arm The Alarm............................................. 21Disarm The Alarm........................................ 22Programming Additional Key Fobs.............. 16Remote StartingExit Remote Start Mode.............................. 20Uconnect Customer ProgrammableFeatures.................................................. 20Uconnect Settings....................................... 20Remote Starting System.................................. 19Replacement Tires......................................... 309Reporting Safety Defects............................... 327Restraints, Child............................................ 228Restraints, Head.............................................. 34Roll Over Warning.............................................. 9Roof Type Carrier............................................. 72Rotation, Tires............................................... 313
S
Safety Checks Inside Vehicle........................ 241Safety Checks Outside Vehicle..................... 242Safety Defects, Reporting............................. 327Safety Information, Tire................................ 298Safety Tips.................................................... 240Safety, Exhaust Gas...................................... 243Schedule, Maintenance................................ 267Seat Belt Reminder.......................................... 92Seat Belts............................................ 205, 241Adjustable Shoulder Belt.......................... 208Adjustable Upper Shoulder Anchorage..... 208Adjustable Upper Shoulder Belt Anchorage208Child Restraints........................................ 228Energy Management Feature................... 212Extender................................................... 211Front Seat............................... 205, 206, 207Inspection................................................. 241Lap/Shoulder Belt Operation.................... 207Lap/Shoulder Belt Untwisting................... 208Lap/Shoulder Belts.................................. 206Operating Instructions.............................. 207Pregnant Women...................................... 211Pretensioners........................................... 211Rear Seat................................................. 206Reminder.................................................. 205Seat Belt Extender.................................... 211
Seat Belt Pretensioner.............................. 211Untwisting Procedure................................ 208Seat Belts Maintenance................................ 317Seats................................................................28Adjustment..................................................28Easy Entry....................................................33Head Restraints...........................................34Heated.........................................................33Memory.......................................................27Rear Folding......................................... 28, 30Seatback Release........................................30Tilting...........................................................28Ventilated....................................................34Security Alarm...........................................21, 92Arm The System...........................................21Disarm The System......................................22Selection Of Coolant (Antifreeze).................. 323Sentry Key (Immobilizer)..................................17Service Assistance........................................ 325Service Contract............................................ 326Service Manuals........................................... 327Shift Lever Override...................................... 262ShiftingAutomatic Transmission........................... 107Shoulder Belts.............................................. 206Side View Mirror Adjustment.....................37, 38Signals, Turn............................ 43, 46, 97, 24211

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Transfer Case Fluid
.......................................................... 324Transmission................................................. 107Automatic........................................ 107, 283Fluid.......................................................... 324Maintenance............................................. 283Transporting Pets.......................................... 240Tread Wear Indicators................................... 308Turn Signals....................................... 43, 46, 97
U
UconnectUconnect Settings
....................................... 20Uconnect Settings......................................... 165Customer Programmable Features............. 20Uniform Tire Quality Grades........................... 314Universal Consumer Interface (UCI)
Connector........................................................ 58Universal Garage Door Opener
(HomeLink®) — If Equipped
b
....................... 40Untwisting Procedure, Seat Belt.................... 208
V
Vanity Mirrors.................................................. 38Vehicle Loading................................... 153, 303Vehicle Maintenance.................................... 273Vehicle Modifications/Alterations.................... 10Vehicle Security Alarm..................................... 21Vehicle Settings............................................ 165Vehicle Storage................................................ 56Ventilated Seats.............................................. 34Voice Command............................................... 36Voice Recognition System (VR)........................ 36
W
Warnings, Roll Over........................................... 9Warranty Information.................................... 327Washers, Windshield..............................48, 272Washing Vehicle........................................... 316Wheel And Wheel Tire Care.......................... 315Wheel And Wheel Tire Trim........................... 315Wind Buffeting................................................. 63Window Fogging............................................... 57
Windows..........................................................62Close............................................................62Down...........................................................62Open............................................................62Power...........................................................62Up................................................................62Windshield Defroster.................................... 241Windshield Washers.............................. 48, 272Fluid.......................................................... 272Windshield Wiper Blades.............................. 275Windshield Wipers...........................................48Wipers Blade Replacement........................... 275Wipers, Rain Sensitive.....................................49Wireless Charging Pad.....................................61
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