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Cadillac CTS (2008-2014) fuses and relays

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In this article, we consider the second generation Cadillac CTS, produced from 2008 to 2014. Here you will find fuse box diagrams of Cadillac CTS 2008, 2009, 2010, 2011, 2012, 2013 and 2014, 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 Cadillac CTS:


Cadillac CTS (2003-2007)…>>

Cadillac CTS (2014-2018-..)…>>

Fuse Layout Cadillac CTS 2008-2014

Cigar lighter / power outlet fuses in the Cadillac CTS are located in the Engine compartment fuse box (2008-2009 – see fuse “LTR” (Cigarette Lighter), 2010-2014 – fuse №60 (Instrument Panel Auxiliary Power Outlet)) and in the Luggage compartment fuse box (2008-2009 – see fuse “AUX/OUTLET” (Auxiliary Power Outlet), 2010-2014 – fuses №17 (Console/Auxiliary Power Outlet and №38 (Rear Auxiliary Power Outlet (Wagon)).

Fuse Box Location

Engine compartment

Remove the engine cover.

Luggage compartment

It is located in the right side of the trunk, behind the cover.

Fuse box diagrams

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2008, 2009

Engine compartment

CTS (2008)

CTS (2009)

CTS-V (2009)

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Assignment of the fuses and relays in the engine compartment (2008, 2009)
NameDescription
Mini Fuses
A/C CLTCHAir Conditioning Clutch
ABSAntilock Braking System (ABS)
AFSAdaptive Forward Lighting System
AIRBAG IGNAirbag Switch
AWDAll-Wheel Drive
S/ROOFSunroof
BCM 1Body Control Module 1
BCM 2Body Control Module 2
BCM 3Body Control Module 3
BCM 4Body Control Module 4
BCM 5Body Control Module 5
BCM 6Body Control Module 6
BCM 7Body Control Module 7
BCM 6, BCM 7Body Control Module 6 and 7
DISPLYDisplay
DRL RTRight Daytime Running Lamp (DRL)
DRL/WSWDaytime Running Lamps/Windshield Washer Pump
DRL/ENG PUMPDaytime Running Lamps
ECMEngine Control Module (ECM)
ECM/TCM IGNECM, Transmission Control Module (TCM), Instrument Panel Cluster (IPC), PASS-Key III+ Module
EMIS 1Emission 1
EMIS 2Emission 2
EVEN COILSEven Coils
FRT FOGFront Fog Lamps
HDM WASHHeadlamp Driver Module Washer
HORNHorn
LO BEAM DRLLow-Beam DRL
LO BEAM DRL LEFTLow-Beam Daytime Running Lamps (Left)
DRL LTLeft Daytime Running Lamps
LT HI BEAMLeft High-Beam Headlamp
LT LO BEAMLeft Low-Beam Headlamp
LT LO BEAMLeft Low-Beam Headlamp
DRL/LT LO BEAMDaytime Running Lamps / Left Low-Beam Headlamp
LTRCigarette Lighter
MISC IGNIgnition
NAV MTRNavigation Motor
ODD COILSOdd Coils
PED PROTNot Used
PWR MODINGPassKey Module, Body Control Module
RT HI BEAMRight High-Beam Headlamp
RT LO BEAMRight Low-Beam Headlamp
SPARESpare
STR/WHL/ILLUMSteering Wheel Illumination
TCM BATTTransmission Control Module Battery
TRANS OIL RLYTransmission Oil Relay
WPRWindshield Wiper
WSW PUMPWindshield Washer Pump
J-Case fuses
ABS MTRABS Motor
BLWRBlower
BRK VAC PUMPBrake Vacuum Pump
FAN 1Cooling Fan 1
FAN 2Cooling Fan 2
REAR DEFOGRear Defogger
SPARESpare
EPBElectric Park Brake
MRTDMR Ride/Suspension Control
STRTRStarter
TRANS PUMPTransmission Pump
WSW/HTRWindshield Washer Heater
Circuit Breakers
HEAD LAMP WASHHeadlamp Washer
Relays
A/C CMPRSR CLTCHAir Conditioning Compressor Clutch
DRL (W/O HID) 
LO BEAM (HID)		Daytime Running Lamps (without High Intensity Discharge), Low-Beam Headlamps (High Intensity Discharge)
LO BEAMLow Beam
INCLIntercooler Pump
ENG PUMPEngine Pump
FAN S/PCooling Fan Series/Parallel
FAN 1Cooling Fan 1
FAN 2Cooling Fan 2
HEAD LAMP WASHHeadlamp Washer
HI BEAMHigh-Beam Headlamp
HORNHorn
IGN 1Ignition 1
LO BEAM (W/O HID) 
LT DRL (HID)		Low-Beam (without High Intensity Discharge), Left Daytime Running Lamp (High Intensity Discharge)
LT DRLLeft Daytime Running Lamps
PWR/TRNPowertrain
REAR DEFOGRear Defogger
SPARESpare
STRTRStarter
WPRWindshield Wiper
WPR HIWindshield Wiper High Speed
WSW PUMPWindshield Washer Pump
FOG LAMPFog Lamps
RT DRL (HID)Right Daytime Running Lamp (High Intensity Discharge)
RT DRLRight Daytime Running Lamp

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Luggage compartment

Assignment of the fuses and relays in the Luggage compartment (2008, 2009)
NameDescription
AIRBAGAirbag System
AMPAmplifier
AUX/OUTLETAuxiliary Power Outlet
CNSTR/VENTCanister Vent
DR/LCKDoor Lock
ECMEngine Control Module (ECM)
FUEL/PUMPFuel Pump
LT/POS/LPLeft Position Lamp
LT/REAR/WNDWLeft Rear Window
MSMMemory Seat Module
ONSTAROnStar® System
PDMPassenger Door Module
RDOAudio System
RDO/SPKRAudio Speakers
REAR/FOGNot Used
REAR/WNDWRear Window
RKE/PASS-KEY/MDLRemote Keyless Entry System, Pass-Key Theft Deterrent Feature Module
RT/POS/LPRight Position Lamp
RVC/SNSRRegulated Voltage Control Sensor
S/ROOFSunroof
FSCMFuel System Control Module
SPARESpare
STOP/LPStoplamp
THEFT/UGDOTheft Deterrent System, Universal Home Remote System
TRUNK/RELSETrunk Release
Relays
FUEL/PUMPFuel Pump
LCKLock
LT FRT/PWR/SEATLeft Front Power Seat
LT/POS/LPLeft Position Lamp
PWR CLMNPower Steering Column
PWR/WNDWPower Window
REAR/FOGNot Used
RT FRT/PWR/SEATRight Front Power Seat
RT/POS/LPRight Position Lamp
SPARESpare
FUEL/DR/RELSENot Used
STOP/LPStoplamp
TRUNK/RELSETrunk Release
UNLCKUnlock

2010, 2011, 2012, 2013, 2014

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Engine compartment

Assignment of the fuses and relays in the Engine compartment (2010-2014)
№Description
Mini-Fuses
11Not Used
19Antilock Braking System (ABS)
22Display
23Not Used
CTS-V Wagon: Sunroof
24Body Control Module 1
25Automatic Forward Lighting System (HID Only)
26Body Control Module 5
27Body Control Module 4
28Navigation Motor
29CTS: All-Wheel Drive
CTS-V: Not Used
30Transmission Control Module Battery
31Horn
33CTS: Left Low‐Beam Headlamp (Domestic Non‐HID Only)
CTS-V: Not Used
34Pedestrian Protection System (Export Only)
35Body Control Module 3
36Body Control Module 2
38Headlamp Washer (HID Only)
40CTS: Right Low‐Beam Headlamp (Domestic Non‐HID Only)
CTS-V: Not Used
41Air Conditioning Compressor Clutch
43Low‐Beam Daytime Running Lamps (non‐HID), Left Daytime Running Lamps (HID), Left Trailer Turn Signal (Export Only)
46Left High‐Beam Headlamp
47Right High‐Beam Headlamp
50Right Daytime Running Lamp, Windshield Washer Pump
51Airbag System Ignition Switch
52Engine Control Module Ignition, Transmission Control Module Ignition
54Power Moding (Immobilizer Module, Ignition Switch)
55CTS: Not Used
CTS-V: Intercooler Pump
56Windshield Wipers
57Right Low‐Beam (HID Only)
58Daytime Running Lamps (non‐HID), Left Low‐Beam (HID Only)
59Right Daytime Running Lamp (HID Only), Right Trailer Turn Signal (Export Only)
60Instrument Panel Auxiliary Power Outlet
61Air Quality Sensor, Inside Rear View Mirror, Rear Camera
62Ignition
64Steering Wheel Illumination
65Front Fog Lamps (HID Only)
69Body Control Module 6, Body Control Module 7
70Emissions 1
71Even Ignition Coils
72CTS: Engine Control Module
CTS-V: Odd Ignition Coils
73Emissions 2
74CTS: Odd Ignition Coils
CTS-V: Engine Control Module
75CTS: Transmission Output Speed Sensor, Brake Vacuum Relay
CTS-V: Not Used
76Spare
77Spare
78Spare
79Spare
80Spare
81Spare
J-Case Fuses
6Cooling Fan 2
7Cooling Fan 1
8Starter
9CTS: Brake Vacuum Pump
CTS-V: Not Used
10Antilock Brake System Motor
13Not Used
14Electric Parking Brake
15Not Used
16Not Used
17Blower Motor
18CTS Coupe and Sedan, CTS-V Wagon: Rear Window Defogger
CTS Wagon: Transmission Control Module Battery
37CTS: Trailer (Export Only)
CTS-V: Magnetic Ride/Suspension Control
Relays
1Cooling Fan 2
2Cooling Fan 1
3Starter
4Rear Window Defogger
5Instrument Panel Auxiliary Power Outlet
12Horn
20Headlamp Washer (HID Only)
21Cooling Fan (Series/Parallel)
32Air Conditioning Compressor Clutch
39Coupe and Sedan: Windshield Washer Pump
Wagon: Not used
42Right Daytime Running Lamp, Trailer Turn Signal
44Low‐Beam (non‐HID), Left Daytime Running Lamps (HID), Left Trailer Turn Signal (Export Only)
45Front Fog Lamps (HID Only)
48High‐Beam Headlamps
49Daytime Running Lamps (Non‐HID), Low‐Beam Headlamps (HID)
53Not Used
63Main Ignition
66Windshield Wipers
67Powertrain
68Windshield Wipers High Speed

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Luggage compartment

Assignment of the fuses and relays in the Luggage compartment (2010-2014)
№Description
Mini-Fuses
14Right Position Lamp
15Left Position Lamp
16Door Lock
17Console/Auxiliary Power Outlet
18Rear Fog/Export Body Control Module (Export Only)
19Coupe and Sedan: Trunk Release
Wagon: Rear Windshield Wiper/Washer
20Coupe: Easy Entry Seats
Wagon: Windshield Washer Pump
21CTS: Sunroof
CTS-V: Fuel Pump
22Right Position Lamp (Export Only)
23Regulated Voltage Control Sensor
24Audio System (Radio)
25Airbag System
26Remote Keyless Entry/PASS‐Key® Theft Deterrent Module
27Audio Speakers/Subwoofer
28OnStar System
29Engine Control Module
30Canister Vent
31CTS: Fuel Pump
CTS-V: Rear Differential Cooling Pump
33Stop Lamps (Export Only)
34Theft Deterrent System/Universal Garage Door Opener
35Memory Seat Module
36Passenger Door Module
38Coupe and Sedan: Not Used
Wagon: Rear Auxiliary Power Outlet
39Amplifier
Circuit Breakers
1Driver Power Seat Switch
2Passenger Power Seat Switch
3Power Windows
4Power Steering Column
32Left Rear Window Switch
37Right Rear Window Switch
Relays
5Stop Lamps (Export Only)
6Door Lock
7Door Unlock
8Fuel Door Unlock (Export Only)
9Right Position Lamp (Export Only)
10Console/Auxiliary Power Outlet
11Coupe and Sedan: Trunk Release
Wagon: Not used
12Side Marker Lamps
13Left Position Lamps
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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