2024 Cadillac XT4 Fuses and Fuse Box | Check if a Fuse has Blown
The fuses and fuse box are very important in the 2024 Cadillac XT4 because they make sure that all of the electrical parts work properly. The fuse box is an important part of the car that is usually found inside the engine area. It holds many fuses, each of which protects a different electrical circuit. As safety measures, these fuses stop the damage that could be caused by electrical overloads or short circuits. In the event of an electricity problem, checking the fuse box is an important first step in figuring out what’s wrong. A blown switch can stop many things from working, from lights to electronics. To find out if a fuse has blown, look in the fuse box for any broken fuses that you can see, or use a fuse tester for a more accurate reading. Understanding the 2024 Cadillac XT4’s fuse system is important for keeping it running at its best and making sure the drive experience is smooth.
2023 Cadillac XT4 Specs, Price, Features, Mileage and Torque (Review)
Electrical System
Electrical System Overload
The vehicle has fuses and circuit breakers to protect against an electrical system overload. When the current electrical load is too heavy, the circuit breaker opens and closes, protecting the circuit until the current load returns to normal or the problem is fixed. This greatly reduces the chance of circuit overload and fire caused by electrical problems.
Fuses and circuit breakers protect power devices in the vehicle.
If there is a problem on the road and a fuse needs to be replaced, the same amperage fuse can be borrowed. Choose some feature of the vehicle that is not needed to use and replace it as soon as possible.
To check a fuse, look at the band inside the fuse. If the band is broken or melted, replace the fuse. Be sure to replace a bad fuse with a fuse of identical size and rating.
Replacing a Blown Fuse
- Turn off the vehicle.
- Locate the fuse puller in the engine compartment fuse block.
- Use the fuse puller to remove the fuse from the top or side, as shown above.
- If the fuse must be replaced immediately, borrow a replacement fuse with the same amperage from the fuse block. Choose a vehicle feature that is not needed to safely operate the vehicle. Repeat Steps 2-3.
- Insert the replacement fuse into the empty slot of the blown fuse.
At the next opportunity, see your dealer to replace the blown fuse.
Headlamp Wiring
An electrical overload may cause the lamps to go on and off, or in some cases to remain off. Have the headlamp wiring checked right away if the lamps go on and off or remain off?
Windshield Wipers
If the wiper motor overheats due to heavy snow or ice, the windshield wipers will stop. The wiper function is available immediately after the wiper switch is set to off, and back to on. To protect the wiper motor from overheating, the wipers may slow down when the windshield is dry for a long period. If a period of dry operation, or little moisture, exceeds 10 minutes, the wipers may switch to intermittent operation, and remain there. When moisture is again detected on the windshield, wiper operation will return to the operator-selected speed.
Although the circuit is protected from electrical overload, overload due to heavy snow or ice may cause wiper linkage damage. Always clear ice and heavy snow from the windshield before using the windshield wipers.
If the overload is caused by an electrical problem and not snow or ice, be sure to get it fixed.
Fuses and Circuit Breakers
The wiring circuits in the vehicle are protected from short circuits by a combination of fuses and circuit breakers. This greatly reduces the chance of damage caused by electrical problems.
Danger
Fuses and circuit breakers are marked with their ampere rating. Do not exceed the specified amperage rating when replacing fuses and circuit breakers. The use of an oversized fuse or circuit breaker can result in a vehicle fire. You and others could be seriously injured or killed.
Warning
Installation or use of fuses that do not meet GM’s original fuse specifications is dangerous. The fuses could fail, and result in a fire. You or others could be injured or killed, and the vehicle could be damaged.
Engine Compartment Fuse Block
The underhood fuse block is in the engine compartment, on the driver’s side of the vehicle.
Caution
Do not pull the engine compartment fuse block lever, since it is intended only for service purposes. If pulled, vehicle malfunction may occur.
Caution
Spilling liquid on any electrical component of the vehicle may damage it. Always keep the covers on any electrical component.
To remove the fuse block cover, press the clips on the cover and lift it straight up.
The vehicle may not be equipped with all of the fuses, relays, and features shown.
| Fuse | Usage |
| 1 | Spare |
| 2 | Aeroshutter |
| 3 | Spare |
| 4 | Spare |
| 5 | Spare |
| 6 | – |
| 7 | ECM 2 – Engine Control Module 2/ECM 3– Engine Control Module 3 |
| 8 | ECM MAIN– Engine Control Module Main |
| 9 | – |
| 10 | OFF ENG |
| – | |
| 11 | OFF ENG 2/OFF ENG 1 |
| 12 | 0CAC – Charge Air Cooler/ ECM – Engine Control Module |
| 13 | TCM – Transmission Control Module |
| 14 | – |
| 15 | – |
| 16 | – |
| 17 | A/C Control |
| 18 | – |
| 19 | Starter Pinion |
| 20 | MCU – Microprocessor Control Unit |
| 21 | – |
| 22 | – |
| 23 | – |
| 24 | – |
| 25 | Starter Motor |
| 26 | Spare |
| 27 | – |
| 28 | – |
| 29 | – |
| 30 | – |
| 31 | – |
| 32 | Spare |
| 33 | Spare |
| 34 | ELM 5 – Exterior Lighting Module 5 |
| 35 | Power Sounder |
| 36 | ELM 4 – Exterior Lighting Module 4 |
| 37 | ELM 3 – Exterior Lighting Module 3 |
| 38 | MSM_E – Memory Seat Module |
| 39 | BSM – Battery State Module |
| 40 | Front Window Switch |
| – | |
| 41 | RDCM BATT 2 – Rear Drive Control Module Battery 2 |
| – | |
| 42 | Headlamp Right and Headlamp Left |
| 43 | FRT HTD SEAT MDL – Front Heated Seat Module |
| 44 | RFAM & AFL/AHL/RDCM BAT 2 – Radio Frequency Actuator Module and Adaptive Forward Lighting/ Automatic Headlamp Leveling/Rear Drive Control Module Battery 2 |
| 46 | – |
| 47 | – |
| 48 | DC-DC BAT 2 – Direct Current Direct Current Battery 2 |
| 49 | – |
| 50 | MTR WDW LIFTER LT – Motor Window Lifter Left |
| 51 – | |
| 52 | Passenger Power Seat |
| 53 | – |
| 54 | TIM 1 – Trailer Interface Module 1 |
| 55 | TIM 2 – Trailer Interface Module 2 |
| 56 | Trailer Park Lamps |
| 57 | RDCM BATT 1 – Rear Drive Control Module Battery 1 |
| 58 | Driver Power Seat |
| 59 | EBCM – Electronic Brake Control Module |
| 60 | Horn |
| 61 | Rear Defog |
| 62 | Front Wiper |
| 63 | Power Tailgate |
| 64 | MTR WDW LIFTER RT – Motor Window Lifter Right |
| 65 | – |
| 66 | Sunroof |
| 67 | Trailer Run |
| 68 | Spare |
| 69 | Spare |
| 70 | – |
| 71 | – |
| 72 | FTZM – Fuel Tank Zone Module |
| 73 | Handsfree Closure |
| 74 | – |
| 75 | Spare |
| 76 | Spare |
| 77 | Spare |
| 78 | Trailer Stop/Turn Left and Right |
| 79 | TCM (DC to DC) – Transmission Control Module |
| 80 | – |
| 81 | SADS – Semi-Active Dampening Suspension |
| 82 | – |
| 83 | Washer Pump |
Instrument Panel Fuse Block
The instrument panel fuse block is on the driver’s side of the instrument panel, between the steering wheel and the door. To access the fuses, remove the panel, starting at the top. Once clips are disengaged, the tabs along the bottom of the door can be disengaged from the instrument panel to remove the door. To reinstall the door, place the bottom tabs into the slots, and rotate the door into position, engaging the clips. The vehicle may not be equipped with all of the fuses, relays, and features shown.
| Fuse | Usage |
| F1 | Blower Motor |
| F2 | ELM 1 – Exterior Lighting Module 1 |
| F3 | Column Lock |
| F4 | ELM 2 – Exterior Lighting Module 2 |
| F5 | BCM 2 – Body Control Module 2 |
| F6 | Amplifier |
| F7 | Clock Spring |
| F8 | DLC – Data Link Connector |
| F9 | BCM 1 – Body Control Module 1/SIB – Shifter Interface Board |
| F10 | Headliner/Auxiliary Switch |
| F11 | Display and HVAC |
| F12 | Steering Column Lock |
| F13 | Video Driving Monitoring System (DMS)/Safety 2 |
| F14 | RC MISC 3/ECM – Ride Control Miscellaneous 3/ Electronic Control Module |
| F15 | Rear Wiper |
| F16 | Cargo APO – Cargo Auxiliary Power Outlet |
| F17 | Sensing Diagnostic Module (SDM)/Safety 1 |
| F18 | RC MISC 1/MISC 2 –Ride Control Miscellaneous 1/ Miscellaneous 2 |
| F19 | Exterior Lighting Module (ELM) TR6 |
| F20 | Central Gateway Module(CGM)/Telematics (OnStar) |
| F21 | – |
| F22 | European Trailer |
| F23 | Auxiliary Power Outlet (APO) Cigar |
| F24 | Wireless Charger |
| F25 | USB |
| F26 | ELM 6 – Exterior Lighting Module 6 |
| F27 | VCU AUX JACK – Vehicle Communication Unit Auxiliary Jack |
| F28 | ELM 7– Exterior Lighting Module 7 |
| F29 | – |
| F30 | – |
| F31 | BCM 3 – Body Control Module 3 |
| F32 | HSWM – Heated Steering Wheel Module |
| F33 | – |
| F34 | STEERING CLMN ADJ MDL – Steering Column Adjacent Module |
| F35 | Amplifier |
| F36 | DC/DC BATT 2 |
| F37 | – |
| F38 | – |
| F39 | BCM 4 – Body Control Module 4 |
| F40 | – |
| Relay | Usage |
| CB01 | Auxiliary Power Outlet (APO) Row 2 |
| CB02 | Auxiliary Power Outlet (APO) Row 1 |
FAQs
Fuses in the Cadillac XT4 protect various electrical components by breaking the circuit in case of excessive current.
The fuse box is typically located in the engine compartment or interior cabin, depending on the model.
Use the fuse box diagram in the owner’s manual to identify the specific fuse, then visually inspect the fuse to see if the metal strip inside is intact.
A pair of needle-nose pliers a fuse puller and a flashlight can help check and replace fuses.
Typically, there are spare fuses included in the fuse box or a designated compartment nearby.
Loss of power to specific components, such as lights or the radio, and a visual inspection of the fuse.
No, it’s essential to replace a blown fuse with one of the same amp rating to ensure proper protection.
Regularly inspect fuses during routine maintenance or whenever you experience electrical issues.
Consult the fuse box diagram to locate the fuse related to the air conditioning system.
Ensure the ignition is off, and use insulated tools to avoid electrical shock.
Fuses are designed to break the circuit permanently when overloaded, so they need to be replaced, not reset.
Follow the step-by-step instructions in the owner’s manual for safely replacing a fuse.
Yes, a blown fuse can lead to the malfunction of various electrical components.
If electrical problems persist, consult the dealership or a professional mechanic for a thorough inspection and diagnosis.
If fuse replacement doesn’t resolve the problem, consult the dealer or a professional mechanic for a more in-depth electrical diagnosis.
Useful Link:
View Full PDF: 2024 Cadillac XT4 Owner’s Manual | Auto User Guide
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2023 Cadillac XT4 Specs, Price, Features, Mileage and Torque (Review)