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

The location of the fuses in the passenger compartment: Cadillac XTS (2013-2018)
cadillac xts 2013 2018 in fuse box location

It is located in the instrument panel, behind the storage compartment to the left of the steering wheel.

Fuse Box Diagram

Instrument panel fuse box diagram: Cadillac XTS
Instrument panel fuse box diagram: Cadillac XTS

Assignment of the fuses and relays in the instrument panel

Description
12013-2015: OnStar
2016: Wireless Charger Module
2Body Control Module 7
3Body Control Module 5
4Radio
5Infotainment and Center Stack Displays, Head-up Display, Instrument Cluster, Rear Seat Entertainment
6Power Outlet 1
7Power Outlet 2
8Body Control Module 1
9Body Control Module 4
10Body Control Module 8 (J-Case Fuse)
11Front Heater Ventilation Air Conditioning/Blower (J-Case Fuse)
12Passenger Seat (Circuit Breaker)
13Driver Seat (Circuit Breaker)
14Diagnostic Link Connector
15Airbag AOS
16Glove Box
17Heater Ventilation Air Conditioning Controller
182013-2015: Pre-Fuse for Fuses 1, 4, and 5
2016: Logistic
19Electronic Steering Column Lock
202013-2015: Automatic Occupant Sensing
2016: Telematics (OnStar)
21Spare
22Steering Wheel Controls/Backlight
23Body Control Module 3
24Body Control Module 2
252013-2015: Column Lock Module
2016: Power Steering Column
26AC/DC Inverter
Relays
R1Glove Box Relay
R22013: Not Used
2014-2016: Logistic Relay
R3Retained Accessory Power/Accessory Relay

Fuse Box in the engine compartment

Fuse Box Location

The location of the fuses in the engine compartment: Cadillac XTS (2013-2018)
The location of the fuses in the engine compartment: Cadillac XTS (2013-2018)

Fuse Box Diagram

Under-hood fuse box diagram: Cadillac XTS
Under-hood fuse box diagram: Cadillac XTS

Assignment of the fuses and relays in the engine compartment

Description
Mini Fuses
1Transmission Control Module — Battery
2Engine Control Module Battery
3Air Conditioning Compressor Clutch
4Not Used
5Engine Control Module Run/Crank
8Ignition Coils — Even (Six Cylinder Engine)
9Ignition Coils — Odd (Six Cylinder Engine)
10Engine Control Module — Switched Battery (from Engine Control Module Relay)
11Six Cylinder Engine: Post Catalytic Converter Oxygen Sensor Heater, Mass Air Flow Sensor, Flex Fuel Sensor
13Run/Crank for Transmission Control Module and Fuel System Control Module
14Right Rear Heated Seat
15Left Rear Heated Seat
162013-2015: Vented Seats Run/Crank
2016: Not Used
17Body Run/Crank
18Autonet Run/Crank (Aftermarket)
202013-2015: Heated Steering Wheel
2016: Not Used
23Variable Effort Steering
29Passive Entry/Passive Start Module – Battery
30All-Wheel Drive Module
31Left Front Heated Seat
32Body Control Module 6
33Right Front Heated Seat
34Antilock Brake System Valves
35Amplifier
37Right High Beam
38Left High Beam
46Cooling Fan Relay
47Six Cylinder Engine: Pre Catalytic Converter Oxygen Sensor Heater, Canister Purge Solenoid
482016: Coolant Pump
49Right High Intensity Discharge Headlamp
50Left High Intensity Discharge Headlamp
51Horn
52Cluster Run/Crank
53Run/Crank for Inside Rearview Mirror, Rear Vision Camera
54Run/Crank for Heating, Ventilation, and Air Conditioning
55Outside Rearview Mirror, Universal Garage Door Opener, Front Window Switches
56Windshield Washer
57Steering Column Lock
60Heated Mirror
622013: Ultrasonic Rear Parking Assist/Front Camera Module – Battery
2014-2015: Not Used
2016: Massage Memory Bolster
64Adaptive Forward Lighting (AFL) Module — Battery
66Trunk Release
67Chassis Control Module
69Regulated Voltage Control Sensor
70Vent Canister Solenoid
71Memory Module
J-Case Fuses
6Wiper
12Starter
21Rear Power Windows
22Sunroof
24Front Power Windows
25Retained Accessory Power
26Antilock Brake System Pump
27Electric Parking Brake
28Rear Window Defogger
41Brake Vacuum Assist Pump
42Cooling Fan K2
44Headlamp Washer
45Cooling Fan K1
Mini Relays
7Engine Control Module
9Cooling Fan
13Cooling Fan
15Run/Crank
17Rear Window Defogger
Micro Relays
1Air Conditioning Compressor Clutch
2Starter
4Wiper Speed
5Wiper Control
82013-2015: Run
2016: Not Used
10Cooling Fan
112016: Headlamp Washer
14Headlamp Low Beam

Fuse Box in the luggage compartment

Fuse Box Location

The location of the fuses in the trunk: Cadillac XTS (2013-2018)
The location of the fuses in the trunk: Cadillac XTS (2013-2018)

It is located in the left side of the trunk, behind the cover.

Fuse Box Diagram

Trunk fuse box diagram: Cadillac XTS
cadillac xtr fuse box rear compartment

Assignment of the fuses and relays in the rear compartment

Description
F01Not Used
F02Spare
F03Not Used
F04Leveling Compressor
F05Not Used
F06Not Used
F07Not Used
F08Front Courtesy Lamps
F09Not Used
F10Not Used
F11Not Used
F12Not Used
F13Not Used
F14Not Used
F15Not Used
F162013-2015: Not Used
2016: Video Processing Module
F17Not Used
F18Semi-active Damping System
F19Universal Garage Door Opener/Rain, Light and Humidity Sensor
F20Shunt
F21Side Blind Zone
F22Not Used
F23All-Wheel Drive
F24Not Used
F25Not Used
F26Not Used
F27Not Used
F28Not Used
F29Not Used
F302013-2015: Front Camera
2016: Front Camera/EOCM
F31Rear Parking Assist/Lane Departure Warning
F32Not Used
F33Not Used
F34Not Used
F35Not Used
F36Not Used
F37Not Used
Relays
K1Not used
K2Front Courtesy Lamps Relay
K3Leveling Compressor Relay
K42013: 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.

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