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GMC Yukon / Yukon XL (2015-2020) fuses and relays

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In this article, we consider the fourth-generation GMC Yukon / Yukon XL, available from 2015 to 2020. Here you will find fuse box diagrams of GMC Yukon 2015, 2016, 2017, 2018, 2019 and 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 GMC Yukon / Yukon XL 2015-2020

Cigar lighter (power outlet) fuses in the GMC Yukon are the fuses #4 (Accessory Power Outlet 1), #50 (Accessory Power Outlet 2) in the Left Instrument panel fuse box, fuses #4 (Accessory Power Outlet 4), #50 (Accessory Power Outlet 3) in the Right Instrument panel fuse box, and fuse #14 (Rear Accessory Power Outlet) in the Rear Compartment Fuse Block.

Fuse box location

Instrument Panel Fuse Block (Left)

The left instrument panel fuse block access door is on the driver side edge of the instrument panel.

Instrument Panel Fuse Block (Right)

The right instrument panel fuse block access door is on the passenger side edge of the instrument panel. There are relays on the back of the fuse block. To access, press the tabs and remove the fuse block.

Engine compartment

The engine compartment fuse block is in the engine compartment, on the driver side of the vehicle.

Rear Compartment Fuse Block

The rear compartment fuse block is behind the access panel on the left side of the compartment.

Fuse box diagrams

2015, 2016

Engine compartment

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Assignment of the fuses in the engine compartment (2015, 2016)
ItemUsage
1Electric Running Boards
2Antilock Brake System Pump
3Interior BEC LT1
4MBS Passenger
5Suspension Leveling Compressor
64WD Transfer Case Electronic Control
7Electric Parking Brake
8Interior BEC LT2
9Rear BEC 1
10MBS Driver
11ALC Exhaust Solenoid
12Integrated Chassis Control Module
13Real Time Dampening
14Fuel Pump Power Module
17MBS Driver
21ALC Exhaust Solenoid
23Integrated Chassis Control Module
24Real Time Dampening
25Fuel Pump Power Module
26Spare/Battery Regulated Voltage Control
28Upfitter2
29Upfitter2 Relay
30Wiper
31TIM
34Back-up Lamps
35Antilock Brake System Valve
36Trailer Brakes
37Uptitter3 Relay
39Trailer Stop/Turn Right
40Trailer Stop/Turn Lef
41Trailer Park Lamps
42Right Parking Lamps
43Left Parking Lamps
44Upfitter3
45Automatic Level Control Run/Crank
47Upfitter4
48Uptitter4 Relay
49Reverse Lamps
51Parking Lamp Relay
59Euro Trailer
60Air Conditioning Control
63Upfrtter 1
67Trailer Battery
69RC Upfitter 3 and 4
70VBAT Upfrtter 3 and 4
72Upfitter 1 Relay
74Engine Control Module Ignition
75Miscellaneous Ignition Spare
76Transmission Ignition
77RC Upfitter 1 and 2
78VBAT Upfitter 1 and 2
83Euro Trailer RC
84Run/Crank Relay
87Engine
88Injector A - Odd
89Injector B - Even
90Oxygen Sensor B
91Throttle Control
92Engine Control Module Relay
93Horn
94Fog Lamps
95High-Beam Headlamps
100Oxygen Sensor A
101Engine Control Module
102Engine Control Module/ Transmission Control Module
103Auxiliary Interior Heate
104Starter
107Aero Shutter
109Police Upfitter
112Starter Relay
114Front Windshield Washer
115Rear Window Washer
116Cooling Fan Left
121Right HID Headlamp
122Left HID Headlamp
123Cooling Fan Right

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Instrument panel, Left

Assignment of the fuses in the Instrument panel fuse box (Left) (2015, 2016)
NumberUsage
1Not Used
2Not Used
3Not Used
4Accessory Power Outlet 1
5Retained Accessory Power/Accessory
6APO/BATT
7Universal Garage Door Opener/lnside RearView Mirror
8SEO Retained Accessory Powe
9Not Used
10Body Control Module 3
11Body Control Module 5
12Steering Wheel Controls Backlighting
13Not Used
14Not Used
15Not Used
16 Discrete Logic Ignition Sensor
17 VPM
18 Mirror Window Module
19 Body Control Module 1
20 Front Bolster (if equipped)
21 Not Used
22 Not Used
23 Not Used
24 Heater, Ventilation and Air Conditioning Ignition/Heater, Ventilation and Air Conditioning Auxiliar
25Instrument Cluster Ignition/Sensing Diagnostic Module Ignition
26Tilt Column/SEO, Tilt Column Lock 1/SEO
27Data Link Connector/ Driver Seat Module
28Passive Entry/Passive Start/Heater, Ventilation and Air Conditioning Battery
29Content Theft
30Not Used
31Not Used
32Not Used
33SEO/Automatic Level Contro
34Park Enable Electric Adjustable Pedal (if equipped)
35Not Used
36Miscellaneous R/C
37Heated Steering Wheel
38Steering Column Lock 2 (if equipped)
39Instrument Cluster Battery
40Not Used
41Not Used
42Euro Trailer (if equipped)
43Left Doors
44Driver Power Seat
45Not Used
46Right Heated/ Cooled Seat
47Left Heated/ Cooled Seat
48Not Used
49Not Used
50Accessory Power Outlet 2
51Not Used
52 Retained Accessory Power/Accessory Relay
53 Run/Crank Relay
54 Not Used
55 Not Used
56 Not Used
Instrument panel, Right

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Assignment of the fuses in the Instrument panel fuse box (Right) (2015, 2016)
NumberUsage
1Not Used
2Not Used
3Not Used
4Accessory Power Outlet 4
5Not Used
6Not Used
7Not Used
8Glove Box
9Not Used
10Not Used
11Not Used
12Steering Wheel Controls
13Body Control Module 8
14Not Used
15Not Used
16Not Used
17Not Used
18Not Used
19Body Control Module 4
20Rear Seat Entertainment
21Sunroof
22Not Used
23Not Used
24Not Used
25Not Used
26Info/Airbag
27Spare/RF WDW RN SW
28Obstacle Detection/USB
29Radio
30Not Used
31Not Used
32Not Used
33Not Used
34Not Used
35SEO B2
36SEO
37Body Control Module 2
38A/C Inverter
39Not Used
40Not Used
41Not Used
42Not Used
43Not Used
44Right Door Window Motor
45Front Blower
46Body Control Module 6
47Body Control Module 7
48Amplifier
49Right Front Seat
50Accessory Power Outlet 3
51Not Used
52Retained Accessory Power/Accessory Relay
53Not Used
54Not Used
55Not Used
56Not Used

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Rear Compartment

Assignment of the fuses in the Rear Compartment Fuse Block (2015, 2016)
NumberUsage
ISO Mini Relays
1Rear Defogger
Micro Fuses
2Heated Second Row Seat Left
3Heated Second Row Seat Right
4Heated Mirrors
5Liftgate
6Glass Breakage
7Liftglass
8Liftgate Module Logic
9Rear Wiper
10Rear Heater, Ventilation and Air Conditioning Blower
11Second Row Seat
19Rear Fog Lamp (if equipped)
M-Type Fuses
12Liftgate Module
13Third Row Seat
14Rear Accessory Power Outlet
15Rear Defogger
Ultra Micro Relays
16Liftgate
Micro Relays
17Liftgate
18Rear Fog Lamp (if equipped)
19Heated Mirrors

2017, 2018, 2019, 2020

Engine compartment

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Assignment of the fuses in the engine compartment (2017-2020)
ItemUsage
12017-2019: Electric Running Boards.
2020: Power assist steps
2ABS Pump
3Interior BEC LT1
4Passenger motorized safety belt
5Suspension Leveling Compressor
64WD Transfer Case Electronic Control
7
8
92017: Not Used.
2018-2020: Fuel pump relay
10Electric parking brake
11
12
13Interior BEC LT2
14Rear BEC 1
15
16
17Driver motorized safety belt
18
19
20
212017: ALC Exhaust Solenoid.
2018-2020: Automatic headlamp leveling/ Exhaust solenoid
222018-2020: Fuel pump.
23Integrated Chassis Control Module
24Real Time Dampening
25Fuel Pump Power Module
262017-2018: Not Used/Battery Regulated Voltage Control.
2019-2020: Active Hydraulic Assist/ Battery regulated voltage control
27
28Upffiter 2
29Upfitter 2 Relay
30Wiper
31TIM (Trailer interface module)
32
33
34Reverse lamps
35ABS Valve
36Trailer Brakes
37Upfitter 3 Relay
38
39Right trailer stoplamp/Turn signal lamp
40Left trailer stoplamp/turn signal lamp
41Trailer parking lamps
42Right Parking Lamps
43Left Parking Lamps
44Upfitter 3
45Automatic Level Control Run/Crank
46
47Upfitter 4
48Upfitter 4 Relay
49Reverse Lamps
50
51Parking Lamp Relay
52
53
54
55
56
57
58
59Euro Trailer
60A/C Control
61
62
63Upfitter 1
64
65
66
67Trailer Battery
682017: Not Used.
2018-2020: Secondary fuel pump
69RC Upfitter 3 and 4
70VBAT Upfitter 3 and 4
71
72Upfitter 1 Relay
73
74Engine Control Module / Ignition
75Miscellaneous / Ignition / Spare
76Transmission Ignition
77RC Upfitter 1 and 2
78VBAT Upfitter 1 and 2
79
80
81
82
83Euro Trailer RC
84Run/Crank Relay
85
86
872017-2018: Engine.
2019-2020: MAF/IAT/Humidity/TIAP sensor
88Injector A - Odd
89Injector B - Even
90O2 Sensor B
91Throttle Control
92Engine Control Module Relay
93Horn
94Fog Lamps
95High-Beam Headlamps
96
97
98
99
100O2 Sensor A
101Engine Control Module
102Engine Control Module/ Transmission Control Module
103Auxiliary Interior Heater
104Starter
105
106
107Aeroshutter
108
109Police Upfitter
110
111
112Starter Relay
113
114Front Windshield Washer
115Rear Window Washer
116Left cooling fan
117Fuel pump prime
118
119
120Fuel pump prime
121Right HID Headlamp
122Left HID Headlamp
123Right cooling fan
Instrument panel, Left

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Assignment of the fuses in the Instrument panel fuse box (Left) (2017-2020)
Usage
1
2
3
4Accessory Power Outlet 1
52017: Retained Accessory Power/Accessory.
2018-2020: Accessory power outlet from retained accessory power
6Accessory power outlet from battery power
7Universal Garage Door Opener/lnside RearView Mirror
8SEO Retained Accessory Powe
9
10Body Control Module 3
11Body Control Module 5
12Steering Wheel Controls Backlighting
13
14
15
16Discrete Logic Ignition Sensor
172017-2018: Video processing module.
2019-2020: Video processing module/Virtual key module
18Mirror Window Module
19Body Control Module 1
20Front Bolster (if equipped)
21
22
23
242017-2018: HVAC/Ignition.
2019-2020: HVAC ignition/AUX HVAC ignition
25Instrument Cluster Ignition / Sensing Diagnostic Module / Ignition
262017-2018: Tilt Column/SEO, Tilt Column Lock 1/SEO.
2019-2020: Tilt column/Tilt column lock 1/SEO 1/SEO 2
27Data Link Connector/ Driver Seat Module
282017-2018: Passive entry/Passive start/HVAC battery.
2019-2020: Passive locking, Passive theft-deterrent/HVAC battery
29Content theft deterrent
30
31
32
332017: SEO/Automatic Level Control
2018-2020: SEO/Automatic level control/Left heated seat
34Park Enable Electric Adjustable Pedal (it equipped)
35
36Miscellaneous/Run crank
37Heated Steering Wheel
38Steering Column Lock 2 (if equipped)
39Instrument Cluster Battery
40
41
42Euro Trailer (if equipped)
43Left Doors
44Driver Power Seat
45
46Right heated, cooled, or ventilated seat (if equipped)
47 Left heated, cooled, or ventilated seat (if equipped)
48
49
50 Accessory Power Outlet 2 relay
51
52 Retained accessory power relay
53 Run/Crank Relay
54
55
56

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Instrument panel, Right

Assignment of the fuses in the Instrument panel fuse box (Right) (2017-2020)
Usage
1
2
3
4Accessory Power Outlet 4
5
6
7
8Glove Box
9
10
11
12Steering Wheel Controls
13Body Control Module 8
14
15
16
17
18
19Body Control Module 4
20Rear Seat Entertainment
212017-2019: Sunroof.
2020: Sunroof/beacon upffiter
22
23
24
25
26Infotainment/Airbag
27-/RF window switch/ Rain sensor
28Obstacle Detection/USB
29Radio
30
31
32
33
34
35
36Special equipment option B2
37Special equipment option
38Body control module 2
39DC to AC inverter
40
41
42
43
44Right Door Window Motor
45Front Blower
46Body Control Module 6
47Body Control Module 7
46Amplifier
49Right Front Seat
50Accessory Power Outlet 3
51
52Retained accessory power relay
53
54
55
56

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Rear Compartment

Assignment of the fuses in the Rear Compartment Fuse Block (2017-2020)
ItemsUsage
1Rear defogger relay
2Left heated second row seat
3Right heated second row seat
4Heated Mirrors
5Liftgate
6Glass Breakage
7Liftglass
8Liftgate Module Logic
9Rear Wiper
10Rear HVAC blower
11 Second Row Seat
12 2017: Second row seat.
2018-2020: Liftgate module
13 2017: Liftgate module.
2018-2020: Third row seat
14 Rear accessory power outlet
15 Rear defogger
16 Liftgate relay
17 Liftglass relay
18 Rear fog lamp relay (if equipped)
19 Rear fog lamp (if equipped)
20 Heated mirror relay

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