Cadillac CTS (2011 – 2014) – fuse box diagram
Year of production: 2011, 2012, 2013, 2014
Engine compartment (CTS Coupe and Sedan)
The underhood fuse block is locatedon the passenger side of the enginecompartment.
| Mini-Fuses | Usage |
| 11 | Not Used |
| 19 | Antilock BrakingSystem (ABS) |
| 22 | Display |
| 23 | Not Used |
| 24 | Body ControlModule 1 |
| 25 | Automatic ForwardLighting System(HID Only) |
| 26 | Body ControlModule 5 |
| 27 | Body ControlModule 4 |
| 28 | Navigation Motor |
| 29 | All-Wheel Drive |
| 30 | TransmissionControl ModuleBattery |
| 31 | Horn |
| 33 | Left Low‐BeamHeadlamp(DomesticNon‐HID Only) |
| 34 | PedestrianProtection System(Export Only) |
| 35 | Body ControlModule 3 |
| 36 | Body ControlModule 2 |
| 38 | Headlamp Washer(HID Only) |
| 40 | Right Low‐BeamHeadlamp(DomesticNon‐HID Only) |
| 41 | Air ConditioningCompressor Clutch |
| 43 | Low‐Beam DaytimeRunning Lamps(non‐HID), LeftDaytime RunningLamps (HID), LeftTrailer Turn Signal(Export Only) |
| 46 | Left High‐BeamHeadlamp |
| 47 | Right High‐BeamHeadlamp |
| 50 | Right DaytimeRunning Lamp,Windshield Washer Pump |
| 51 | Airbag SystemIgnition Switch |
| 52 | Engine ControlModule Ignition,TransmissionControl ModuleIgnition |
| 54 | Power Moding(ImmobilizerModule, IgnitionSwitch) |
| 55 | Not Used |
| 56 | Windshield Wipers |
| 57 | Right Low‐Beam(HID Only) |
| 58 | Daytime RunningLamps (non‐HID),Left Low‐Beam(HID Only) |
| 59 | Right DaytimeRunning Lamp (HIDOnly), Right TrailerTurn Signal(Export Only) |
| 60 | Instrument PanelAuxiliary PowerOutlet |
| 61 | Air Quality Sensor,Inside Rear ViewMirror, RearCamera |
| 62 | Ignition |
| 64 | Steering WheelIllumination |
| 65 | Front Fog Lamps(HID Only) |
| 69 | Body ControlModule 6, BodyControl Module 7 |
| 70 | Emissions 1 |
| 71 | Even Ignition Coils |
| 72 | Engine ControlModule |
| 73 | Emissions 2 |
| 74 | Odd Ignition Coils |
| 75 | TransmissionOutput SpeedSensor, BrakeVacuum Relay |
| 76 | Spare |
| 77 | Spare |
| 78 | Spare |
| 79 | Spare |
| 80 | Spare |
| 81 | Spare |
| J-Case Fuses | Usage |
| 6 | Cooling Fan 2 |
| 7 | Cooling Fan 1 |
| 8 | Starter |
| 9 | BrakeVacuum Pump |
| 10 | Antilock BrakeSystem Motor |
| 13 | Not Used |
| 14 | Electric ParkingBrake |
| 15 | Not Used |
| 16 | Not Used |
| 17 | Blower Motor |
| 18 | Rear WindowDefogger |
| 37 | Not Used |
| Relays | Usage |
| 1 | Cooling Fan 2 |
| 2 | Cooling Fan 1 |
| 3 | Starter |
| 4 | Rear WindowDefogger |
| 5 | Instrument PanelAuxiliary PowerOutlet |
| 12 | Horn |
| 20 | Headlamp Washer(HID Only) |
| 21 | Cooling Fan (Series/Parallel) |
| 32 | Air ConditioningCompressor Clutch |
| 39 | WindshieldWasher Pump |
| 42 | Right DaytimeRunning Lamp,Trailer Turn Signal |
| 44 | Low‐Beam(non‐HID), LeftDaytime RunningLamps (HID), LeftTrailer Turn Signal(Export Only) |
| 45 | Front Fog Lamps(HID Only) |
| 48 | High‐BeamHeadlamps |
| 49 | Daytime RunningLamps (Non‐HID),Low‐BeamHeadlamps (HID) |
| 53 | Not Used |
| 63 | Main Ignition |
| 66 | Windshield Wipers |
| 67 | Powertrain |
| 68 | Windshield WipersHigh Speed |
Engine compartment (CTS V Coupe and Sedan)
The underhood fuse block is locatedon the passenger side of the enginecompartment.
| Mini-Fuses | Usage |
| 11 | Not used |
| 19 | Antilock BrakingSystem (ABS) |
| 22 | Display |
| 23 | Sunroof |
| 24 | Body ControlModule 1 |
| 25 | Automatic ForwardLighting System(HID Only) |
| 26 | Body ControlModule 5 |
| 27 | Body ControlModule 4 |
| 28 | Navigation Motor |
| 29 | Not used |
| 30 | TransmissionControl ModuleBattery |
| 31 | Horn |
| 33 | Not Used |
| 34 | PedestrianProtection System(Export Only) |
| 35 | Body ControlModule 3 |
| 36 | Body ControlModule 2 |
| 38 | Headlamp Washer(HID Only) |
| 40 | Not Used |
| 41 | Air ConditioningCompressor Clutch |
| 43 | Left DaytimeRunningLamps (HID) |
| 46 | Left High‐BeamHeadlamp |
| 47 | Right High‐BeamHeadlamp |
| 50 | Right DaytimeRunning Lamp,WindshieldWasher Pump |
| 51 | Airbag SystemIgnition Switch |
| 52 | Engine ControlModule Ignition,TransmissionControl ModuleIgnition |
| 54 | Power Moding(ImmobilizerModule, IgnitionSwitch) |
| 55 | Intercooler Pump |
| 56 | Windshield Wipers |
| 57 | Right Low‐Beam(HID Only) |
| 58 | Left Low‐Beam(HID Only) |
| 59 | Right DaytimeRunning Lamp(HID Only) |
| 60 | Instrument PanelAuxiliary PowerOutlet |
| 61 | Air Quality Sensor,Inside Rear ViewMirror, RearCamera |
| 62 | Ignition |
| 64 | Steering WheelIllumination |
| 65 | Front Fog Lamps(HID Only) |
| 69 | Body ControlModule 6, BodyControl Module 7 |
| 70 | Emissions 1 |
| 71 | Even Ignition Coils |
| 72 | Odd Ignition Coils |
| 73 | Emissions 2 |
| 74 | Engine ControlModule |
| 75 | Not Used |
| 76 | Spare |
| 77 | Spare |
| 78 | Spare |
| 79 | Spare |
| 80 | Spare |
| 81 | Spare |
| J-Case Fuses | Usage |
| 6 | Cooling Fan 2 |
| 7 | Cooling Fan 1 |
| 8 | Starter |
| 9 | Not Used |
| 10 | Antilock BrakeSystem Motor |
| 13 | Not Used |
| 14 | Electric ParkingBrake |
| 15 | Not Used |
| 16 | Not Used |
| 17 | Blower Motor |
| 18 | Rear WindowDefogger |
| 37 | Magnetic Ride/Suspension Control |
| Relays | Usage |
| 1 | Cooling Fan 2 |
| 2 | Cooling Fan 1 |
| 3 | Starter |
| 4 | Rear WindowDefogger |
| 5 | Instrument PanelAuxiliary PowerOutlet |
| 12 | Horn |
| 20 | Headlamp Washer(HID Only) |
| 21 | Cooling Fan (Series/Parallel) |
| 32 | Air ConditioningCompressor Clutch |
| 39 | WindshieldWasher Pump |
| 42 | Right DaytimeRunning Lamp |
| 44 | Left DaytimeRunning Lamp (HID) |
| 45 | Front Fog Lamps(HID Only) |
| 48 | High‐BeamHeadlamps |
| 49 | Low‐BeamHeadlamps (HID) |
| 53 | Not Used |
| 63 | Main Ignition |
| 66 | Windshield Wipers |
| 67 | Powertrain |
| 68 | Windshield WipersHigh Speed |
Engine Compartment(CTS Wagon)
The underhood fuse block is locatedon the passenger side of the enginecompartment.
| Mini-Fuses | Usage |
| 11 | Not Used |
| 19 | Antilock BrakingSystem (ABS) |
| 22 | Display |
| 23 | Not Used |
| 24 | Body ControlModule 1 |
| 25 | Automatic ForwardLighting System(HID Only) |
| 26 | Body ControlModule 5 |
| 27 | Body ControlModule 4 |
| 28 | Navigation Motor |
| 29 | All-Wheel Drive |
| 30 | TransmissionControl ModuleBattery |
| 31 | Horn |
| 33 | Left Low‐BeamHeadlamp(DomesticNon‐HID Only) |
| 34 | PedestrianProtection System(Export Only) |
| 35 | Body ControlModule 3 |
| 36 | Body ControlModule 2 |
| 38 | Headlamp Washer(HID Only) |
| 40 | Right Low‐BeamHeadlamp(DomesticNon‐HID Only) |
| 41 | Air ConditioningCompressor Clutch |
| 43 | Low‐Beam DaytimeRunning Lamps(non‐HID), LeftDaytime RunningLamps (HID), LeftTrailer Turn Signal(Export Only) |
| 46 | Left High‐BeamHeadlamp |
| 47 | Right High‐BeamHeadlamp |
| 50 | Right DaytimeRunning Lamp |
| 51 | Airbag SystemIgnition Switch |
| 52 | Engine ControlModule Ignition,TransmissionControl ModuleIgnition |
| 54 | Power Moding(ImmobilizerModule, IgnitionSwitch) |
| 55 | Not Used |
| 56 | Windshield Wipers |
| 57 | Right Low‐Beam(HID Only) |
| 58 | Daytime RunningLamps (non‐HID),Left Low‐Beam(HID Only) |
| 59 | Right DaytimeRunning Lamp (HIDOnly), Right TrailerTurn Signal(Export Only) |
| 60 | Instrument PanelAuxiliary PowerOutlet |
| 61 | Air Quality Sensor,Inside Rear ViewMirror, RearCamera |
| 62 | Ignition |
| 64 | Steering WheelIllumination |
| 65 | Front Fog Lamps(HID Only) |
| 69 | Body ControlModule 6, BodyControl Module 7 |
| 70 | Emissions 1 |
| 71 | Even Ignition Coils |
| 72 | Engine ControlModule |
| 73 | Emissions 2 |
| 74 | Odd Ignition Coils |
| 75 | TransmissionOutput SpeedSensor, BrakeVacuum Relay |
| 76 | Spare |
| 77 | Spare |
| 78 | Spare |
| 79 | Spare |
| 80 | Spare |
| 81 | Spare |
| J-Case Fuses | Usage |
| 6 | Cooling Fan 2 |
| 7 | Cooling Fan 1 |
| 8 | Starter |
| 9 | BrakeVacuum Pump |
| 10 | Antilock BrakeSystem Motor |
| 13 | Not Used |
| 14 | Electric ParkingBrake |
| 15 | Not Used |
| 16 | Not Used |
| 17 | Blower Motor |
| 18 | TransmissionControl ModuleBattery |
| 37 | Trailer (Export Only) |
| Relays | Usage |
| 1 | Cooling Fan 2 |
| 2 | Cooling Fan 1 |
| 3 | Starter |
| 4 | Rear WindowDefogger |
| 5 | Instrument PanelAuxiliary PowerOutlet |
| 12 | Horn |
| 20 | Headlamp Washer(HID Only) |
| 21 | Cooling Fan (Series/Parallel) |
| 32 | Air ConditioningCompressor Clutch |
| 39 | Not used |
| 42 | Right DaytimeRunning Lamp,Trailer Turn Signal |
| 44 | Low‐Beam(non‐HID), LeftDaytime RunningLamps (HID), LeftTrailer Turn Signal(Export Only) |
| 45 | Front Fog Lamps(HID Only) |
| 48 | High‐BeamHeadlamps |
| 49 | Daytime RunningLamps (Non‐HID),Low‐BeamHeadlamps (HID) |
| 53 | Not Used |
| 63 | Main Ignition |
| 66 | Windshield Wipers |
| 67 | Powertrain |
| 68 | Windshield WipersHigh Speed |
Engine Compartment(CTS V Wagon)
The underhood fuse block is locatedon the passenger side of the enginecompartment.
| Mini-Fuses | Usage |
| 11 | Not Used |
| 19 | Antilock BrakingSystem (ABS) |
| 22 | Display |
| 23 | Sunroof |
| 24 | Body ControlModule 1 |
| 25 | Automatic ForwardLighting System(HID Only) |
| 26 | Body ControlModule 5 |
| 27 | Body ControlModule 4 |
| 28 | Navigation Motor |
| 29 | Not used |
| 30 | TransmissionControl ModuleBattery |
| 31 | Horn |
| 33 | Not used |
| 34 | PedestrianProtection System(Export Only) |
| 35 | Body ControlModule 3 |
| 36 | Body ControlModule 2 |
| 38 | Headlamp Washer(HID Only) |
| 40 | Not used |
| 41 | Air ConditioningCompressor Clutch |
| 43 | LeftDaytime RunningLamps (HID) |
| 46 | Left High‐BeamHeadlamp |
| 47 | Right High‐BeamHeadlamp |
| 50 | Right DaytimeRunning Lamp |
| 51 | Airbag SystemIgnition Switch |
| 52 | Engine ControlModule Ignition,TransmissionControl ModuleIgnition |
| 54 | Power Moding(ImmobilizerModule, IgnitionSwitch) |
| 55 | Intercooler Pump |
| 56 | Windshield Wipers |
| 57 | Right Low‐Beam(HID Only) |
| 58 | Left Low‐Beam(HID Only) |
| 59 | Right DaytimeRunning Lamp (HIDOnly) |
| 60 | Instrument PanelAuxiliary PowerOutlet |
| 61 | Air Quality Sensor,Inside Rear ViewMirror, RearCamera |
| 62 | Ignition |
| 64 | Steering WheelIllumination |
| 65 | Front Fog Lamps(HID Only) |
| 69 | Body ControlModule 6, BodyControl Module 7 |
| 70 | Emissions 1 |
| 71 | Even Ignition Coils |
| 72 | Odd Ignition Coils |
| 73 | Emissions 2 |
| 74 | Engine ControlModule |
| 75 | Not used |
| 76 | Spare |
| 77 | Spare |
| 78 | Spare |
| 79 | Spare |
| 80 | Spare |
| 81 | Spare |
| J-Case Fuses | Usage |
| 6 | Cooling Fan 2 |
| 7 | Cooling Fan 1 |
| 8 | Starter |
| 9 | Not used |
| 10 | Antilock BrakeSystem Motor |
| 13 | Not Used |
| 14 | Electric ParkingBrake |
| 15 | Not Used |
| 16 | Not Used |
| 17 | Blower Motor |
| 18 | Rear WindowDefogger |
| 37 | Magnetic Ride/ Suspension Control |
| Relays | Usage |
| 1 | Cooling Fan 2 |
| 2 | Cooling Fan 1 |
| 3 | Starter |
| 4 | Rear WindowDefogger |
| 5 | Instrument PanelAuxiliary PowerOutlet |
| 12 | Horn |
| 20 | Headlamp Washer(HID Only) |
| 21 | Cooling Fan (Series/Parallel) |
| 32 | Air ConditioningCompressor Clutch |
| 39 | Not used |
| 42 | Right DaytimeRunning Lamp |
| 44 | LeftDaytime RunningLamps (HID) |
| 45 | Front Fog Lamps(HID Only) |
| 48 | High‐BeamHeadlamps |
| 49 | Low‐BeamHeadlamps (HID) |
| 53 | Not Used |
| 63 | Main Ignition |
| 66 | Windshield Wipers |
| 67 | Powertrain |
| 68 | Windshield WipersHigh Speed |
Rear Compartment FuseBlock (CTS Coupe andSedan)
The rear compartment fuse block islocated on top of the battery, on theright side of the trunk. The batteryaccess door must be removed toaccess the fuse block.
| Relays | Usage |
| 5 | Stop Lamps(Export Only) |
| 6 | Door Lock |
| 7 | Door Unlock |
| 8 | Fuel Door Unlock(Export Only) |
| 9 | Right Position Lamp(Export Only) |
| 10 | Console/AuxiliaryPower Outlet |
| 11 | Trunk Release |
| 12 | Side Marker Lamps |
| 13 | Left Position Lamps |
| Mini-Fuses | Usage |
| 14 | Right Position Lamp |
| 15 | Left Position Lamp |
| 16 | Door Lock |
| 17 | Console/AuxiliaryPower Outlet |
| 18 | Rear Fog/ExportBody ControlModule(Export Only) |
| 19 | Trunk Release |
| 20 | Easy Entry Seats(Coupe Only) |
| 21 | Sunroof |
| 22 | Right Position Lamp(Export Only) |
| 23 | Regulated VoltageControl Sensor |
| 24 | Audio System(Radio) |
| 25 | Airbag System |
| 26 | Remote KeylessEntry/PASS‐Key®Theft DeterrentModule |
| 27 | Audio Speakers/Subwoofer |
| 28 | OnStar® System |
| 29 | Engine ControlModule |
| 30 | Canister Vent |
| 31 | Fuel Pump |
| 33 | Stop Lamps(Export Only) |
| 34 | Theft DeterrentSystem/UniversalGarage DoorOpener |
| 35 | Memory SeatModule |
| 36 | Passenger DoorModule |
| 38 | Not Used |
| 39 | Amplifier |
| Circuit Breakers | Usage |
| 1 | Driver Power SeatSwitch |
| 2 | Passenger PowerSeat Switch |
| 3 | Power Windows |
| 4 | Power SteeringColumn |
| 32 | Left Rear WindowSwitch |
| 37 | Right Rear WindowSwitch |
Rear Compartment FuseBlock (CTS-V Coupe andSedan)
The rear compartment fuse block islocated on top of the battery, on theright side of the trunk. The batteryaccess door must be removed toaccess the fuse block.
| Relays | Usage |
| 5 | Stop Lamps(Export Only) |
| 6 | Door Lock |
| 7 | Door Unlock |
| 8 | Fuel Door Unlock(Export Only) |
| 9 | Right Position Lamp(Export Only) |
| 10 | Console/AuxiliaryPower Outlet |
| 11 | Trunk Release |
| 12 | Side Marker Lamps |
| 13 | Left Position Lamps |
| Mini-Fuses | Usage |
| 14 | Right Position Lamp |
| 15 | Left Position Lamp |
| 16 | Door Lock |
| 17 | Console/AuxiliaryPower Outlet |
| 18 | Rear Fog/ExportBody ControlModule(Export Only) |
| 19 | Trunk Release |
| 20 | Easy Entry Seats(Coupe Only) |
| 21 | Fuel Pump |
| 22 | Right Position Lamp(Export Only) |
| 23 | Regulated VoltageControl Sensor |
| 24 | Audio System(Radio) |
| 25 | Airbag System |
| 26 | Remote KeylessEntry/PASS‐Key®Theft DeterrentModule |
| 27 | Audio Speakers/Subwoofer |
| 28 | OnStar® System |
| 29 | Engine ControlModule |
| 30 | Canister Vent |
| 31 | Rear DifferentialCooling Pump |
| 33 | Stop Lamps(Export Only) |
| 34 | Theft DeterrentSystem/UniversalGarage DoorOpener |
| 35 | Memory SeatModule |
| 36 | Passenger DoorModule |
| 38 | Not Used |
| 39 | Amplifier |
| Circuit Breakers | Usage |
| 1 | Driver Power SeatSwitch |
| 2 | Passenger PowerSeat Switch |
| 3 | Power Windows |
| 4 | Power SteeringColumn |
| 32 | Left Rear WindowSwitch |
| 37 | Right Rear WindowSwitch |
Rear Compartment FuseBlock (CTS Wagon)
The rear compartment fuse block islocated on top of the battery, on theright side of the trunk. The batteryaccess door must be removed toaccess the fuse block.
| Relays | Usage |
| 5 | Stop Lamps(Export Only) |
| 6 | Door Lock |
| 7 | Door Unlock |
| 8 | Fuel Door Unlock(Export Only) |
| 9 | Right Position Lamp(Export Only) |
| 10 | Console/AuxiliaryPower Outlet |
| 11 | Not used |
| 12 | Side Marker Lamps |
| 13 | Left Position Lamps |
| Mini-Fuses | Usage |
| 14 | Right Position Lamp |
| 15 | Left Position Lamp |
| 16 | Door Lock |
| 17 | Console/AuxiliaryPower Outlet |
| 18 | Rear Fog/ExportBody ControlModule(Export Only) |
| 19 | Rear WindshieldWiper/Washer |
| 20 | WindshieldWasher Pump |
| 21 | Sunroof |
| 22 | Right Position Lamp(Export Only) |
| 23 | Regulated VoltageControl Sensor |
| 24 | Audio System(Radio) |
| 25 | Airbag System |
| 26 | Remote KeylessEntry/PASS‐Key®Theft DeterrentModule |
| 27 | Audio Speakers/Subwoofer |
| 28 | OnStar® System |
| 29 | Engine ControlModule |
| 30 | Canister Vent |
| 31 | Fuel Pump |
| 33 | Stop Lamps(Export Only) |
| 34 | Theft DeterrentSystem/UniversalGarage DoorOpener |
| 35 | Memory SeatModule |
| 36 | Passenger DoorModule |
| 38 | Rear AuxiliaryPower Outlet |
| 39 | Amplifier |
| Circuit Breakers | Usage |
| 1 | Driver Power SeatSwitch |
| 2 | Passenger PowerSeat Switch |
| 3 | Power Windows |
| 4 | Power SteeringColumn |
| 32 | Left Rear WindowSwitch |
| 37 | Right Rear WindowSwitch |
Rear Compartment FuseBlock (CTS-V Wagon)
The rear compartment fuse block islocated on top of the battery, on theright side of the trunk. The batteryaccess door must be removed toaccess the fuse block.
| Relays | Usage |
| 5 | Stop Lamps(Export Only) |
| 6 | Door Lock |
| 7 | Door Unlock |
| 8 | Fuel Door Unlock(Export Only) |
| 9 | Right Position Lamp(Export Only) |
| 10 | Console/AuxiliaryPower Outlet |
| 11 | Not used |
| 12 | Side Marker Lamps |
| 13 | Left Position Lamps |
| Mini-Fuses | Usage |
| 14 | Right Position Lamp |
| 15 | Left Position Lamp |
| 16 | Door Lock |
| 17 | Console/AuxiliaryPower Outlet |
| 18 | Rear Fog/ExportBody ControlModule(Export Only) |
| 19 | Rear WindshieldWiper/Washer |
| 20 | WindshieldWasher Pump |
| 21 | Fuel Pump |
| 22 | Right Position Lamp(Export Only) |
| 23 | Regulated VoltageControl Sensor |
| 24 | Audio System(Radio) |
| 25 | Airbag System |
| 26 | Remote KeylessEntry/PASS‐Key®Theft DeterrentModule |
| 27 | Audio Speakers/Subwoofer |
| 28 | OnStar® System |
| 29 | Engine ControlModule |
| 30 | Canister Vent |
| 31 | Rear DifferentialCooling Pump |
| 33 | Stop Lamps(Export Only) |
| 34 | Theft DeterrentSystem/UniversalGarage DoorOpener |
| 35 | Memory SeatModule |
| 36 | Passenger DoorModule |
| 38 | Rear AuxiliaryPower Outlet |
| 39 | Amplifier |
| Circuit Breakers | Usage |
| 1 | Driver Power SeatSwitch |
| 2 | Passenger PowerSeat Switch |
| 3 | Power Windows |
| 4 | Power SteeringColumn |
| 32 | Left Rear WindowSwitch |
| 37 | Right Rear WindowSwitch |
WARNING:Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
