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Buick LaCrosse (2010-2016) fuses and relays

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In this article, we consider the second generation Buick LaCrosse, produced from 2010 to 2016 (facelift in 2014). Here you will find fuse box diagrams of Buick LaCrosse 2010, 2011, 2012, 2013, 2014, 2015 and 2016, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

See other Buick LaCrosse:


Buick LaCrosse (2005-2009…>>

Buick LaCrosse (2017-2019-..)…>>

Fuse Layout Buick LaCrosse 2010-2016

Cigar lighter / power outlet fuses in the Buick LaCrosse are the fuses №6 and 7 in the Passenger compartment fuse box.

Fuse box location

Passenger compartment fuse box

It is located in the instrument panel, behind the storage compartment.

Fuse Box in the engine compartment

Fuse Box in the luggage compartment

It is located in the left side of the luggage compartment, behind the cover (if equipped).

Fuse box diagrams

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2010, 2011, 2012

Passenger compartment

Assignment of the fuses and relays in the Passenger compartment (2010-2012)
№Description
1Steering Wheel Controls Backlight
2Body control module 7
3Body Control Module 5
4Radio
5OnStar/Universal hands–free phone
6Power outlet 1
7Power outlet 2
8Body control module 1
9Body control module 4
10Body control module 8
11Front Heater Ventilation Air Conditioning/Blower
12Passenger seat
13Driver seat
14Diagnostic link connector
15Airbag
16Trunk
17Heater Ventilation Air Conditioning Controller
18Radio, OnStar, Universal Hands‐Free Phone
19Display
20Automatic Occupant Sensing
21Instrument Panel Cluster
22Discrete Logic Ignition Switch
23Body control module 3
24Body control module 2
25Rear Heater Ventilation Air Conditioning/Blower
26AC DC inverter
Relays
R1Trunk relay
R2—
R3Power outlet relay

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Engine compartment

Assignment of the fuses and relays in the Engine compartment (2010-2012)
№Description
Fuses
1Transmission control module–battery
2Engine control module battery
3Air Conditioning Compressor Clutch
5Engine control module/Run/Crank
6Wiper
7Long range radar/ Front camera
8Ignition coils–even (6–cylinder engine)/ Ignition coils–all (4–cylinder engine)
9Ignition coils–odd (6–cylinder engine)
10Engine control module–switched battery
11Post Catalytic Converter Oxygen Sensor Heate
12Starter
13Trans Ignition/Fuel System Control Module
16MAF
17Airbag Module
18SBZ Ignition
21Rear power windows
22Sunroof
23Variable Effort Steering
24Front power windows
25Rear heated seats
26Antilock brake system pump
27Electric parking brake
28Rear window defogger
29Power Lumbar, Left
30Heated Seat/Right power pack cooling fan (eAssist)
32Body control module
33Heated Seat
34Antilock brake system valves
35Amplifier
36AFL Ignition
37Right high-beam
38Left high-beam
41Brake vacuum pump
42Cooling fan K2
45Cooling fan K1
46Cooling fan relay
47Pre Catalytic Converter Oxygen Sensor Heater
48Fog lamps
49Right High Intensity Discharge Headlamp
50Left High Intensity Discharge Headlamp
51Horn
52Cluster Ignition
53Inside Rearview Mirror, Rear Vision Camera, Vacuum Pump
54Heating, Ventilation and Air Conditioning
55Outside Rearview Mirror, Universal Garage Door Opener, Window Switch
56Windshield washer
60Heated mirror
62Canister vent
64AFL Battery
65Theft‐Deterrent Horn
67Fuel pump power module
69Regulated voltage control sensor
70Parking assist/Side blind zone
Relays
2Starter
4Wiper speed
5Wiper control
7Engine control module
9Cooling fan
10Cooling fan
13Cooling fan
14Headlamp low-beam
15Run/Crank
17Rear window defogger

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Luggage compartment

Assignment of the fuses and relays in the Luggage compartment (2010-2012)
№Description
1Not Used
2Not Used
3Not Used
4Not Used
5Not Used
6Heated Steering Wheel
7Not Used
8Not Used
9Not Used
10Not Used
11Not Used
12Not Used
13Not Used
14Not Used
15Not Used
17Not Used
18Not Used
18PEPS
19Not Used
20Rear Sunshade, Ventilated Seats
21Not Used
22Not Used
23Not Used
24Not Used
25Not Used
26Not Used
27Not Used
28Not Used
29Not Used
30Not Used
31Electronic Suspension Control
32Rear Seat Infotainment
33All‐Wheel Drive
34Not Used
35PEPS
36Not Used
37Not Used
Relays
K1Not Used
K2Seat Ventilation, Sunshade
K3Heated Steering Wheel
K4Not Used

2013, 2014, 2015, 2016

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Passenger compartment

Assignment of the fuses and relays in the Passenger compartment (2013-2016)
№Description
1APO 3
2Body control module 7
3Steering wheel controls backlight
4Radio/Human machine interface/ Rear auxiliary audio jack/Front auxiliary audio video jack/ Touchpad/Remote media player/Bluray remote media player
5OnStar/Universal hands–free phone
6Power outlet 1
7Power outlet 2
8Body control module 1
9Body control module 4
10Body control module 8
11Front HVAC/Blower
12Passenger seat
13Driver seat
14Diagnostic link connector
15Airbag/Automatic occupant sensing
16Trunk
17HVAC Controller
18Pre-fuse for fuses 4 and 5
19Center stack displays/Head-up display/Right steering wheel control switch/Rear seat infotainment display (eAssist)/ HVAC/Center stack displays
20Rear seat entertainment display/Rear seat audio
21Instrument cluster
22Discrete logic ignition switch
23Body control module 3
24Body control module 2
25Rear HVAC/Blower
26AC DC inverter
Relays
R1Trunk relay
R2—
R3Power outlet relay

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Engine compartment

Assignment of the fuses and relays in the Engine compartment (2013-2016)
№Description
Fuses
1Transmission control module–battery
2Engine control module battery
3Air Conditioning Compressor Clutch
5Engine control module/Run/Crank
6Wiper
7Long range radar/ Front camera
8Ignition coils–even (6–cylinder engine)/ Ignition coils–all (4–cylinder engine)
9Ignition coils–odd (6–cylinder engine)
10Engine control module–switched battery
116–cylinder Engine: post catalytic converter/O2 sensor/ Heater/Mass air flow sensor/FlexFuel sensor/Secondary air induction solenoid
12Starter
13Crank for transmission control module/Fuel pump power/Chassis control module (eAssist)
14Cabin heater coolant pump (eAssist)/ secondary air injector/Secondary air injector with pressure sensor
15Motor generator unit coolant pump (eAssist)
16Run/Crank for eAssist power inverter module
17Not Used
18Sunshade module/ Vehicle air purification system/ Ventilated seats
20Heated steering wheel (non eAssist)
21Rear power windows
22Sunroof
23Variable effort steering (if equipped) or eAssist power inverter module
24Front power windows
25Rear heated seats
26Antilock brake system pump
27Electric parking brake
28Rear window defogger
29Heated seat/Left power lumbar
30Heated Seat/Right power pack cooling fan (eAssist)
31AWD/Electronic suspension control
32Body control module 6
33Memory seat–front
34Antilock brake system valves
35Amplifier
36Adaptive forward lighting (AFL) motors–battery
37Right high-beam
38Left high-beam
41Brake vacuum pump
42Cooling fan K2
43Not Used
44Transmission auxiliary oil pump (eAssist)
45Cooling fan K1
46Cooling fan relay
47Six Cylinder Engine: Pre Catalytic Converter Oxygen Sensor Heater, Canister Purge Solenoid. Four Cylinder Engine: Pre and Post Catalytic Converter Oxygen Sensor Heaters, Canister Purge Solenoid
48Fog lamps
49Right High Intensity Discharge Headlamp
51Horn
52Cluster Run/Crank
53Run/Crank for: rearview mirror/Rear vision camera/Air quality sensor/Aero shutter motor
54Run/Crank for: HVAC/Headlamp switch
55Outside rearview mirror/Universal remote system/Front window switches
56Windshield washer
59AIR pump
60Heated mirror
62Canister vent
64Adaptive forward lighting (AFL) module–battery
65Not Used
66AIR solenoid (eAssist)
67Fuel pump power module/Chassis control module
69Regulated voltage control sensor
70Parking assist/Side blind zone
71Passive entry/ Passive start
Relays
1A/C Clutch
2Starter
4Wiper speed
5Wiper control
6Cabin heater coolant pump (eAssist)/ Secondary air injector/Secondary air injector with pressure senso
7Engine control module
9Cooling fan
10Cooling fan
11Transmission auxiliary oil pump (eAssist)
13Cooling fan
14Headlamp low-beam
15Run/Crank
16AIR pump
17Rear window defogger
Learn more:

How to check the fuses?

How to replace a blown fuse?

Why do car fuses blow?

Types of automotive fuses

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