Cadillac XT5 (2017-2022) fuse box and relay Diagrams
The Cadillac XT5, produced between 2017 and 2022, is a luxury midsize crossover SUV known for its comfort, performance, and advanced technology. It features a sophisticated electrical system that includes a fuse box and relay setup crucial for its various functions.
The fuse box in the Cadillac XT5 contains multiple fuses, each dedicated to protecting specific electrical circuits throughout the vehicle. These circuits power essential components such as the engine control module, lighting systems, infotainment features, climate control, and more. Fuses are designed to interrupt the flow of electricity if an electrical overload or short circuit occurs, preventing damage to the corresponding systems.
Relays in the Cadillac XT5 serve as electrically controlled switches that manage the flow of high-current circuits. They play a vital role in activating and deactivating critical functions like the starter motor, fuel pump, air conditioning compressor, and various motors for power seats or windows. Relays help distribute power efficiently, ensuring that each component receives the correct voltage for optimal performance.
Regular maintenance of the fuse box and relays is essential to ensure reliable operation of the Cadillac XT5. This includes periodic inspection of fuses to check for signs of wear or damage, as well as ensuring proper functioning of relays and secure connections. Addressing any issues promptly can help prevent electrical malfunctions, ensuring a smooth and enjoyable driving experience in the Cadillac XT5.
MUST READ: DYI – How to Check Car Fuses?
(2017-2022) Cadillac XT5 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 XT5 2017-2022 fuse assignment
- Cigar lighter (power outlet) fuses in the Cadillac XT5 are the fuse F42 (Auxiliary power outlet/Lighter) in the Passenger compartment fuse box and the Circuit breaker CB3 (Rear auxiliary power outlet) in the Luggage compartment fuse box.
Year of production: 2017, 2018, 2019, 2020, 2021, 2022
Passenger compartment
Fuse Box Location
The fuse box is located under the instrument panel (on the passenger’s side) behind the cover (open the cover or remove all panel).
Fuse box diagram
Assignment of the fuses in the passenger compartment
| № | Description |
|---|---|
| F1 | Body control module 6 |
| F2 | 2017-2018: Diagnostic link 2019-2022: Diagnostic link/ Central gateway module |
| F3 | Electric steering column lock |
| F4 | Not Used |
| F5 | Logistics |
| F6 | 2017-2021: Heating, ventilation, and air conditioning 2022: Heating, Ventilation, and Air Conditioning/ Humidity Sensor |
| F7 | Body control module 3 |
| F8 | 2017-2019: Head-up display 2020: Not Used 2021-2022: Park aid/ Electronic transmission range system hybrid |
| F9 | Right front heated seat |
| F10 | 2017: Airbag 2018-2019: Airbag/Seat belt 2020-2022: Airbag |
| F11 | 2017: Electronic transmission range system 2018-2019: Electronic precision shift 2020-2022: Not Used |
| F12 | 2017-2019: Amplifier 2020-2022: Amplifier 2 |
| F13 | Body control module 7 |
| F14 | Left front heated seat |
| F15 | Instrument panel switch bank |
| F16 | Sunroof |
| F17 | Body control module 1 |
| F18 | 2017-2020: Instrument panel cluster 2021-2022: Instrument cluster/ Head up display |
| F19 | Not Used |
| F20 | Rear seat entertainment |
| F21 | Body control module 4 |
| F22 | 2017: Infotainment 2018-2022: Infotainment/ USB data/ Aux jack |
| F23 | Body control module 2 |
| F24 | USB charger/Wireless charging module |
| F25 | 2017-2019: Ultrasonic parking aid 2020-2022: Park aid/electronic transmission range system |
| F26 | CIM (Communications integration module) |
| F27 | 2017: Not Used 2018-2020: Video 2021-2022: Video/ Night vision module |
| F28 | HVAC Display |
| F29 | Radio |
| F30 | Steering wheel controls |
| F31 | 2017-2019: Front blower 2020-2022: Electronic brake control module electric brake booster |
| F32 | AC DC inverter |
| F33 | Driver power seat |
| F34 | Passenger power seat |
| F35 | Battery IEC 1 feed |
| F36 | Electric power steering |
| F37 | 2017-2020: Rear seat entertainment/ USB charge/ Wireless charging module 2021-2022: Rear seat entertainment/ USB charge/ Wireless charging module/ Auxiliary power outlet/Lighter |
| F38 | Body control module 8 |
| F39 | Not Used |
| F40 | Not Used |
| F41 | Not Used |
| F42 | Auxiliary power outlet / Lighter |
Engine compartment
Fuse Box Location
Fuse box diagram
Assignment of the fuses and relays in the engine compartment
| № | Description |
|---|---|
| F1 | ABS pump |
| F2 | Starter 1 |
| F3 | DC DC transformer 1 |
| F4 | Not Used |
| F5 | 2017-2019: Not Used 2020-2022: DC-DC transformer 2 |
| F6 | 2017-2019: Not Used 2020-2022: Amplifier 1 |
| F7 | DC DC transformer 2 |
| F8 | Starter 3 |
| F9 | Not Used |
| F10 | Not Used |
| F11 | Not Used |
| F12 | Front wiper |
| F13 | Starter 2 |
| F14 | LED/Automatic headlamp leveling (if equipped) |
| F15 | Rear wiper 1 |
| F16 | Not Used |
| F17 | Not Used |
| F18 | Automatic headlamp leveling (if equipped) |
| F19 | Not Used |
| F20 | Not Used |
| F21 | Not Used |
| F22 | Electronic brake control module |
| F23 | Parking/Trailer lamps |
| F24 | Right trailer stoplamp/Turnlamp |
| F25 | Steering column lock |
| F26 | Not Used |
| F27 | Left trailer stoplamp/Turnlamp |
| F28 | Not Used |
| F29 | Not Used |
| F30 | Washer pump |
| F31 | 2017-2019: Right low-beam headlamp 2020-2022: Not Used |
| F32 | 2017-2019: Left low-beam headlamp 2020-2022: Not Used |
| F33 | Fog lamps |
| F34 | Horn |
| F35 | Not Used |
| F36 | Left high-beam headlamp |
| F37 | Right high-beam headlamp |
| F38 | 2017-2020: Automatic headlamp leveling (if equipped) |
| F39 | 2017-2019: Transmission control module 1 2020-2022: Transmission control module/Battery 1 |
| F40 | Left rear bus electrical center/Ignition |
| F41 | Instrument cluster |
| F42 | 2017-2020: Heating, ventilation, and air conditioning 2021-2022: Heating, ventilation, and air conditioning/ Central gateway module R/C |
| F43 | 2017-2020: Head-up display 2021-2022: Head-Up display/ Reflective light auxiliary |
| F44 | 2017-2019: Not Used 2020-2022: Electronic brake control module electric brake booster/ Run/Crank |
| F45 | Not Used |
| F46 | Not Used |
| F47 | Not Used |
| F48 | Rear wiper 2 |
| F49 | 2017-2020: Interior rearview mirror/Trailer 2021-2022: Interior rearview mirror/Trailer/Rear heated seats/Run/Crank |
| F50 | Fuel system control module |
| F51 | Heated steering wheel |
| F52 | Air conditioning clutch |
| F53 | 2017-2019: Transmission range control module 2020: Not Used 2021-2022: Coolant pump |
| F54 | 2017-2020: Coolant pump |
| F55 | Not Used |
| F56 | Not Used |
| F57 | Engine control module/Ignition |
| F58 | Transmission control module/Ignition |
| F59 | Engine control module battery |
| F60 | 2017-2019: Transmission range control module 2 2020-2022: Not Used |
| F61 | 2017-2020: O2 sensor 1/ Aeroshutter 2021-2022: O2 sensor 1/ Aeroshutter/ Mass air flow sensor |
| F62 | Engine control module–odd |
| F63 | O2 sensor 2 |
| F64 | Engine control module–even |
| F65 | Engine control module powertrain 1 |
| F66 | Engine control module powertrain 2 |
| F67 | 2017-2019: Powertrain TRCM 2020-2022: Engine control module powertrain 3 |
| F68 | Not Used |
| F69 | Not Used |
| F70 | Not Used |
| F71 | Not Used |
| F72 | Not Used |
| F73 | Not Used |
| F74 | Not Used |
| F75 | Not Used |
| F76 | Not Used |
| F77 | Not Used |
| Relays | |
| K1 | Starter 1 |
| K2 | Run/Crank |
| K3 | Starter 3 |
| K4 | LED/Automatic headlamps (if equipped) |
| K5 | Not Used |
| K6 | 2017-2020: Coolant pump |
| K7 | Engine control module |
| K8 | Air conditioning |
| K9 | Not Used |
| K10 | Starter 2 |
Luggage compartment
Fuse Box Location
The fusebox is located in the left side of the trunk, behind the cover.
Fuse box diagram
Assignment of the fuses and relays in the luggage compartment
| № | Description |
|---|---|
| F1 | Not Used |
| F2 | Trailer battery 1 |
| F3 | Driver safety belt |
| F4 | Rear blower |
| F5 | Rear drive control |
| F6 | Passenger safety belt |
| F7 | Right window |
| F8 | Rear defogger |
| F9 | Left window |
| F10 | Not Used |
| F11 | Trailer reverse |
| F12 | Not Used |
| F13 | Not Used |
| F14 | Not Used |
| F15 | Not Used |
| F16 | Not Used |
| F17 | 2017-2020: Camera |
| F18 | 2017-2020: Trailer module 2021-2022: Trailer module/ Accessory power module/ Rechargeable energy storage system ignition |
| F19 | 2017-2020: Ventilated seats 2021-2022: Ventilated seats/ Left front heated seats/ Run/Crank |
| F20 | Not Used |
| F21 | Trailer connector |
| F22 | Not Used |
| F23 | Not Used |
| F24 | Passenger window switch |
| F25 | Not Used |
| F26 | Trailer brake |
| F27 | Driver ventilated seat/Lumbar |
| F28 | Passive entry/ Passive start |
| F29 | Not Used |
| F30 | Canister vent |
| F31 | 2021-2022: Rechargeable energy storage system |
| F32 | Heated mirror |
| F33 | Not Used |
| F34 | 2017: Logic mode 2018-2022: Liftgate module |
| F35 | Fuel system control module |
| F36 | Passenger ventilated seat/Lumbar |
| F37 | 2021-2022: External amplifier hybrid |
| F38 | Window module |
| F39 | Rear closure |
| F40 | Memory seat module |
| F41 | Automatic occupancy sensor |
| F42 | Trailer battery 2 |
| F43 | 2021-2022: Blower console |
| F44 | Not Used |
| F45 | Liftgate |
| F46 | Rear heated seats |
| F47 | Not Used |
| F48 | Glass break sensor |
| F49 | Not Used |
| F50 | Not Used |
| F51 | Not Used |
| F52 | Semi-active dampen system module |
| F53 | 2017: Rear parking aid module 2018-2020: Rear parking aid module/ Video/ USB |
| F54 | 2017: External object calculating 2018-2022: External object calculating/ Side blind zone alert |
| F55 | Not Used |
| F56 | Universal garage door opener/Rain sensor |
| F57 | Theft deterrent |
| Circuit brackers | |
| CB1 | Not Used |
| CB2 | Not Used |
| CB3 | Rear auxiliary power outlet |
| Relays | |
| K1 | Not Used |
| K2 | Not Used |
Conclusion
For owners and enthusiasts of classic Cadillac XT5 2017-2022, 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.