Cadillac CT5 (2020 – 2022) – fuse box diagram
Year of production: 2020, 2021, 2022
Passenger compartment fuse block
The instrument panel fuse block is at the end of the driver side of the instrument panel.
| № | Description |
|---|---|
| 1 | — |
| 2 | HVAC blower |
| 3 | — |
| 4 | — |
| 5 | 2020-2021: Theft deterrent/ Universal garage door opener 2022: Theft Deterrent/ Universal Garage Door Opener/ Overhead Console/ Rain Sensor |
| 6 | — |
| 7 | Air quality ionizer |
| 8 | Heated steering wheel |
| 9 | — |
| 10 | Electronic steering column lock 1 |
| 11 | — |
| 12 | — |
| 13 | — |
| 14 | — |
| 15 | — |
| 16 | — |
| 17 | — |
| 18 | 2020-2021: Display/ Infotainment/ USB 2022: Display/ Infotainment/ USB/ Multi-function Control Module |
| 19 | 2020-2021: Airbag/ Automatic occupant sensing/ Data link connection/ Wireless charging module 2022: Sensing and Diagnostic Module/ Automatic Occupant Sensing/ Data Link Connection/ Wireless Charging Module/ Virtual Key Module |
| 20 | Power steering column module/ Electronic steering column lock 2 |
| 21 | 2022: Driver Monitor System/ Performance Data Recorder |
| 22 | — |
| 23 | — |
| 24 | — |
| 25 | USB |
| 26 | — |
| 27 | — |
| 28 | — |
| 29 | — |
| 30 | — |
| 31 | Headlamp level |
| 32 | — |
| 33 | Body ignition/IP ignition |
| 34 | Exhaust valve |
| 35 | Transmission control module ignition/ Engine control module ignition/ Shift ignition/ Brake ignition |
| 36 | Shift module |
| 37 | Body control module 1/ Electronic park brake switch |
| 38 | Center stack module |
| 39 | Steering wheel controls |
| 40 | Body control module 2 |
| 41 | Body control module 3 |
| 42 | Body control module 4 |
| CB1 | Auxiliary power outlet 1 (Circuit Breaker) |
| CB2 | Auxiliary power outlet 2 (Circuit Breaker) |
| Relays | |
| 1 | Run after park/ Accessory |
| 2 | Run crank |
| 3 | — |
| 4 | — |
| 5 | — |
Engine compartment fuse box
The engine compartment fuse block is on the driver’s side of the engine compartment.
| № | Description |
|---|---|
| 1 | Long range radar front sensor |
| 2 | Park/Daytime running lamps |
| 3 | Exterior lighting module 4 |
| 4 | Exterior lighting module 7 |
| 5 | Headlamp level |
| 6 | — |
| 7 | Electronic brake control module |
| 8 | Washer pump |
| 9 | — |
| 10 | — |
| 11 | — |
| 12 | Horn |
| 13 | Front wiper |
| 14 | Exterior lighting module 6 |
| 15 | Exterior lighting module 1 |
| 16 | Exterior lighting module 5 |
| 17 | Exterior lighting module 3 |
| 18 | Aero shutter |
| 19 | — |
| 20 | — |
| 21 | Virtual key system/ Power sounder module |
| 22 | 2022: Engine Control Module Battery |
| 23 | Transmission control module |
| 24 | Active engine mount |
| 25 | — |
| 26 | Engine control module |
| 27 | Injectors/Ignition 2 |
| 28 | Charged air cooler |
| 29 | 2020-2021: Transmission coolant pump 2022: Transmission Aux Oil Pump/ Transmission Reverse Lock Out |
| 30 | Injectors/Ignition 1 |
| 31 | Emissions 1 |
| 32 | Emissions 2 |
| 33 | Starter solenoid |
| 34 | — |
| 35 | 2020-2021: Coolant pump |
| 36 | Starter pinion |
| 37 | AC clutch |
| 38 | — |
| 39 | — |
| 40 | — |
| 41 | — |
| 42 | Water pump |
| 43 | — |
| 44 | — |
| Relays | |
| 47 | — |
| 48 | Front wiper speed |
| 49 | Front wiper control |
| 51 | — |
| 52 | Engine control module |
| 53 | Starter solenoid |
| 54 | Starter pinion |
| 55 | — |
| 57 | AC clutch |
| 58 | — |
Luggage compartment fuse box
The rear compartment fuse block is behind a cover on the driver side of the rear compartment.
| № | Description |
|---|---|
| 1 | Remote function actuator |
| 2 | 2020-2021: Engine control module |
| 3 | Driver heated seat |
| 4 | Fuel tank zone module |
| 5 | — |
| 6 | — |
| 7 | — |
| 8 | — |
| 9 | — |
| 10 | Motor seat belt passenger |
| 11 | Canister vent solenoid |
| 12 | Sunroof |
| 13 | — |
| 14 | — |
| 15 | Passenger heated seat |
| 16 | — |
| 17 | Electronic suspension control |
| 18 | — |
| 19 | Motor seat belt driver |
| 20 | Rear defog |
| 21 | DC to DC transformer 2 |
| 22 | Driver Power Window/ Door Handle Switch |
| 23 | 2020-2021: External object calculating module/ Front camera module 2022: External Object Calculating Module/ Front Camera Module/ High Definition Localization Module/ Short Range Radar |
| 24 | Passenger Power Window/ Door Handle Switch |
| 25 | — |
| 26 | 2020-2021: Trailer 2022: Amplifier (V-Series Blackwing) |
| 27 | Rear drive control module |
| 28 | — |
| 29 | — |
| 30 | — |
| 31 | DC to DC transformer 1 |
| 32 | Transfer case electronic control |
| 33 | Central gateway module – side blind zone alert |
| 34 | Video processing module |
| 35 | Hands free closure release |
| 36 | Exterior lighting module 2 |
| 37 | Passenger memory seat module |
| 38 | 2020-2021: Trailer 2 |
| 39 | Right front/Right rear window |
| 40 | — |
| 41 | — |
| 42 | Amplifier |
| 43 | Park assist module |
| 44 | Driver memory seat module |
| 45 | OnStar |
| 46 | — |
| 47 | — |
| 48 | — |
| 49 | 2020-2021: Trailer |
| 50 | Driver seat |
| 51 | Left front/Left rear window |
| 52 | Passenger seat |
| Relays | |
| 53 | — |
| 54 | — |
| 55 | Run |
| F71 | — |
| F72 | — |
| F73 | — |
| Relays | Usage |
| R1 | Rear seat power outlet relay |
| R2 | Fuel pump relay |
| R3 | Run/Crank relay |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.