Cadillac CT5 (2020-…) fuses and relays

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The mid-size luxury sedan Cadillac CT5 is available from 2020 to the present. In this article, you will find fuse box diagrams of Cadillac CT5 2020, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Layout Cadillac CT5 2020

Cigar lighter (power outlet) fuses in the Cadillac CT5 are the Circuit Breakers CB1 and CB2 in the Instrument panel fuse box.

Fuse box location

Passenger compartment

The fuse box is located on the driver side of the instrument panel.
To access, remove the end cover by gently prying with a plastic tool near each clip, beginning at the point shown.

To install the cover, insert the tabs on the back of the cover into the slots in the instrument panel. Align the clips with the slots in the instrument panel, and press the cover into place.The location of the fuses in the passenger compartment: Cadillac CT5 (2020)

Engine compartment

Lift the cover to access the fuses.The location of the fuses in the engine compartment: Cadillac CT5 (2020)

Luggage compartment

The rear compartment fuse block is behind a cover on the driver’s side of the rear compartment.The location of the fuses in the trunk: Cadillac CT5 (2020)

Fuse box diagrams

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2020

Passenger compartment

Instrument panel fuse box diagram: Cadillac CT5 (2020)

Assignment of the fuses in the Passenger compartment (2020)
Description
1
2HVAC blower
3
4
5Theft deterrent/ Universal garage door opener
6
7Air quality ionizer
8Heated steering wheel
9
10Electronic steering column lock 1
11
12
13
14
15
16
17
18 Display/ Infotainment/USB
19 Airbag/Automatic occupant sensing/ Data link connection/ Wireless charging module
20 Power steering column module/ Electronic steering column lock 2
21
22
23
24
25USB
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
41Body control module 3
42Body control module 4
CB1Auxiliary power outlet 1 (Circuit Breaker)
CB2Auxiliary power outlet 2 (Circuit Breaker)
Relays
1Run after park/ Accessory
2Run crank
3
4
5

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Engine compartment

Under-hood fuse box diagram: Cadillac CT5 (2020)

Assignment of the fuses and relays in the engine compartment (2020)
Description
1Long range radar front sensor
2Park/Daytime running lamps
3Exterior lighting module 4
4Exterior lighting module 7
5Headlamp level
6
7Electronic brake control module
8Washer pump
9
10
11
12Horn
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
21Virtual key system/ Power sounder module
22
23Transmission control module
24Active engine mount
25
26Engine control module
27Injectors/Ignition 2
28Charged air cooler
29Transmission coolant pump
30Injectors/Ignition 1
31Emissions 1
32Emissions 2
33Starter solenoid
34
35Coolant pump
36Starter pinion
37AC clutch
38
39
40
41
42Water pump
43
44
Relays
47
48Front wiper speed
49Front wiper control
51
52Engine control module
53Starter solenoid
54Starter pinion
55
57AC clutch
58

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Luggage compartment

Trunk fuse box diagram: Cadillac CT5 (2020)

Assignment of the fuses and relays in the Rear compartment (2020)
Description
1Remote function actuator
2Engine control module
3Driver heated seat
4Fuel 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 lock switch
23 External object calculating module/ Front camera module
24 Passenger window door lock switch
25
26 Trailer
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 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
49Trailer
50Driver seat
51Left front/Left rear window
52Passenger seat
Relays
53
54
55Run