The Cadillac XTS 2013-2017 is a full-size luxury sedan known for its comfort, advanced technology, and smooth performance. Like all modern vehicles, the Cadillac XTS is equipped with a fuse box and relay system that are essential components of its electrical architecture.
The fuse box in the Cadillac XTS houses a series of fuses, each designed to protect specific electrical circuits from overcurrent conditions. These circuits power various systems and components throughout the vehicle, including the engine control module, lighting systems, infotainment system, and climate control.
Relays in the Cadillac XTS serve as electrically operated switches that control the flow of high-current circuits. They play a crucial role in managing power distribution and ensuring that electrical components receive the necessary voltage to function properly. For instance, relays may be responsible for activating the starter motor, engaging the air conditioning compressor, or operating the windshield wipers.
Proper maintenance of the fuse box and relays is important to prevent electrical issues that could disrupt the functionality of the Cadillac XTS. This includes checking and replacing fuses as needed, ensuring relay connections are secure, and addressing any signs of wear or corrosion. Regular inspections help maintain reliable performance and ensure a comfortable driving experience in the Cadillac XTS 2013-2017.
MUST READ: DYI – How to Check Car Fuses?
(2013-2017) Cadillac XTS fuse box and relay with Diagram
WARNING
- Never replace a fuse with one that has a higher amperage rating.
- A fuse with a too-high amperage could damage the electrical part and cause a fire.
- On no account should fuses be repaired (e.g. patched up with tin foil or wire) as this may cause serious damage elsewhere in the electrical circuit or cause a fire.
- If a fuse blows repeatedly, do not keep replacing it. Instead, have the cause for the repeated short circuit or overload tracked and fixed.
- Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
Cadillac XTS 2013-2017 fuse assignment
- Cigar lighter / power outlet fuses in the Cadillac XTS are the fuses №. 6 and 7 in the Instrument panel fuse box.
Year of production: 2013, 2014, 2015, 2016, 2017
Passenger compartment fuse box
Fuse Box Location
It is located in the instrument panel, behind the storage compartment to the left of the steering wheel.
Fuse Box Diagram
Assignment of the fuses and relays in the instrument panel
| № | Description |
|---|---|
| 1 | 2013-2015: OnStar 2016: Wireless Charger Module |
| 2 | Body Control Module 7 |
| 3 | Body Control Module 5 |
| 4 | Radio |
| 5 | Infotainment and Center Stack Displays, Head-up Display, Instrument Cluster, Rear Seat Entertainment |
| 6 | Power Outlet 1 |
| 7 | Power Outlet 2 |
| 8 | Body Control Module 1 |
| 9 | Body Control Module 4 |
| 10 | Body Control Module 8 (J-Case Fuse) |
| 11 | Front Heater Ventilation Air Conditioning/Blower (J-Case Fuse) |
| 12 | Passenger Seat (Circuit Breaker) |
| 13 | Driver Seat (Circuit Breaker) |
| 14 | Diagnostic Link Connector |
| 15 | Airbag AOS |
| 16 | Glove Box |
| 17 | Heater Ventilation Air Conditioning Controller |
| 18 | 2013-2015: Pre-Fuse for Fuses 1, 4, and 5 2016: Logistic |
| 19 | Electronic Steering Column Lock |
| 20 | 2013-2015: Automatic Occupant Sensing 2016: Telematics (OnStar) |
| 21 | Spare |
| 22 | Steering Wheel Controls/Backlight |
| 23 | Body Control Module 3 |
| 24 | Body Control Module 2 |
| 25 | 2013-2015: Column Lock Module 2016: Power Steering Column |
| 26 | AC/DC Inverter |
| Relays | |
| R1 | Glove Box Relay |
| R2 | 2013: Not Used 2014-2016: Logistic Relay |
| R3 | Retained Accessory Power/Accessory Relay |
Fuse Box in the engine compartment
Fuse Box Location
Fuse Box Diagram
Assignment of the fuses and relays in the engine compartment
| № | Description |
|---|---|
| Mini Fuses | |
| 1 | Transmission Control Module — Battery |
| 2 | Engine Control Module Battery |
| 3 | Air Conditioning Compressor Clutch |
| 4 | Not Used |
| 5 | Engine Control Module Run/Crank |
| 8 | Ignition Coils — Even (Six Cylinder Engine) |
| 9 | Ignition Coils — Odd (Six Cylinder Engine) |
| 10 | Engine Control Module — Switched Battery (from Engine Control Module Relay) |
| 11 | Six Cylinder Engine: Post Catalytic Converter Oxygen Sensor Heater, Mass Air Flow Sensor, Flex Fuel Sensor |
| 13 | Run/Crank for Transmission Control Module and Fuel System Control Module |
| 14 | Right Rear Heated Seat |
| 15 | Left Rear Heated Seat |
| 16 | 2013-2015: Vented Seats Run/Crank 2016: Not Used |
| 17 | Body Run/Crank |
| 18 | Autonet Run/Crank (Aftermarket) |
| 20 | 2013-2015: Heated Steering Wheel 2016: Not Used |
| 23 | Variable Effort Steering |
| 29 | Passive Entry/Passive Start Module – Battery |
| 30 | All-Wheel Drive Module |
| 31 | Left Front Heated Seat |
| 32 | Body Control Module 6 |
| 33 | Right Front Heated Seat |
| 34 | Antilock Brake System Valves |
| 35 | Amplifier |
| 37 | Right High Beam |
| 38 | Left High Beam |
| 46 | Cooling Fan Relay |
| 47 | Six Cylinder Engine: Pre Catalytic Converter Oxygen Sensor Heater, Canister Purge Solenoid |
| 48 | 2016: Coolant Pump |
| 49 | Right High Intensity Discharge Headlamp |
| 50 | Left High Intensity Discharge Headlamp |
| 51 | Horn |
| 52 | Cluster Run/Crank |
| 53 | Run/Crank for Inside Rearview Mirror, Rear Vision Camera |
| 54 | Run/Crank for Heating, Ventilation, and Air Conditioning |
| 55 | Outside Rearview Mirror, Universal Garage Door Opener, Front Window Switches |
| 56 | Windshield Washer |
| 57 | Steering Column Lock |
| 60 | Heated Mirror |
| 62 | 2013: Ultrasonic Rear Parking Assist/Front Camera Module – Battery 2014-2015: Not Used 2016: Massage Memory Bolster |
| 64 | Adaptive Forward Lighting (AFL) Module — Battery |
| 66 | Trunk Release |
| 67 | Chassis Control Module |
| 69 | Regulated Voltage Control Sensor |
| 70 | Vent Canister Solenoid |
| 71 | Memory Module |
| J-Case Fuses | |
| 6 | Wiper |
| 12 | Starter |
| 21 | Rear Power Windows |
| 22 | Sunroof |
| 24 | Front Power Windows |
| 25 | Retained Accessory Power |
| 26 | Antilock Brake System Pump |
| 27 | Electric Parking Brake |
| 28 | Rear Window Defogger |
| 41 | Brake Vacuum Assist Pump |
| 42 | Cooling Fan K2 |
| 44 | Headlamp Washer |
| 45 | Cooling Fan K1 |
| Mini Relays | |
| 7 | Engine Control Module |
| 9 | Cooling Fan |
| 13 | Cooling Fan |
| 15 | Run/Crank |
| 17 | Rear Window Defogger |
| Micro Relays | |
| 1 | Air Conditioning Compressor Clutch |
| 2 | Starter |
| 4 | Wiper Speed |
| 5 | Wiper Control |
| 8 | 2013-2015: Run 2016: Not Used |
| 10 | Cooling Fan |
| 11 | 2016: Headlamp Washer |
| 14 | Headlamp Low Beam |
Fuse Box in the luggage compartment
Fuse Box Location
It is located in the left side of the trunk, behind the cover.
Fuse Box Diagram
Assignment of the fuses and relays in the rear compartment
| № | Description |
|---|---|
| F01 | Not Used |
| F02 | Spare |
| F03 | Not Used |
| F04 | Leveling Compressor |
| F05 | Not Used |
| F06 | Not Used |
| F07 | Not Used |
| F08 | Front Courtesy Lamps |
| F09 | Not Used |
| F10 | Not Used |
| F11 | Not Used |
| F12 | Not Used |
| F13 | Not Used |
| F14 | Not Used |
| F15 | Not Used |
| F16 | 2013-2015: Not Used 2016: Video Processing Module |
| F17 | Not Used |
| F18 | Semi-active Damping System |
| F19 | Universal Garage Door Opener/Rain, Light and Humidity Sensor |
| F20 | Shunt |
| F21 | Side Blind Zone |
| F22 | Not Used |
| F23 | All-Wheel Drive |
| F24 | Not Used |
| F25 | Not Used |
| F26 | Not Used |
| F27 | Not Used |
| F28 | Not Used |
| F29 | Not Used |
| F30 | 2013-2015: Front Camera 2016: Front Camera/EOCM |
| F31 | Rear Parking Assist/Lane Departure Warning |
| F32 | Not Used |
| F33 | Not Used |
| F34 | Not Used |
| F35 | Not Used |
| F36 | Not Used |
| F37 | Not Used |
| Relays | |
| K1 | Not used |
| K2 | Front Courtesy Lamps Relay |
| K3 | Leveling Compressor Relay |
| K4 | 2013: Not Used 2014-2016: Logic |
Conclusion
For owners and enthusiasts of classic Cadillac XTS 2013-2017, understanding the fuse box and relay systems is essential for vehicle maintenance. Regular inspection and maintenance of these components helped ensure the vehicle’s longevity and reliability, preserving its status as a symbol of Cadillac’s craftsmanship and innovation in the automotive industry during that era.
