Cadillac STS mk2 (Second Generation; 2010 – 2011) – fuse box diagram

Cadillac STS mk2 (Second Generation; 2010 -2011) – fuse box diagram

Year of production: 2010, 2011

Underhood Fuse Block

The underhood fuse block is located in the front of the engine compartment on the passenger’s side of the vehicle.

Cadillac STS mk2 - fuse box - engine compartment
Cadillac STS mk2 – fuse box – engine compartment
Fuses JCase Usage
ABS MTR ABS Module- ABS Module-StabiliTrak®
AFS Active Front Steering
BLWR Blower Motor
FAN 1 Cooling Fan-Low Speed
FAN 2 Cooling Fan-High Speed
LPDB 1 Driver Side Rear Fuse Block
LPDB 2 Driver Side Rear Fuse Block
RPDB 1 Passenger Side Rear Fuse Block
RPDB 2 Passenger Side Rear Fuse Block
SPARE Spare
SPARE Spare
STRTR Starter

 

Fuses Mini Usage
A/C CLTCH Air Conditioning Compressor Clutch
ABS ABS Module-StabiliTrak®
ABS IGN Antilock Brake Controller
AUX OUTLET Rear Accessory Power Outlet
BRK VAC PUMP Brake Vacuum Pump
CCP Climate Control Panel
CCP/RLY COILS Climate Control Panel, Headlamp Level Control, Active Cruise Control, Relay Coils, Starter, Front Blower
ECM 1 Engine Control Module (ECM)
ECM/TCM BATT ECM, Transmission Control Module (TCM)
ECM/TCM IGN ECM, TCM, Instrument Panel Cluster
EKM/I/P MDL Easy Key Module (EKM), Instrument Panel Module (I/P MDL)
EVEN COILS Even Ignition Coils, Even Fuel Injectors
FOG LAMP Front Fog Lamps
FRT PWR OUTLET Front Accessory Power Outlet
FUEL COOL Fuel Cooling
HORN Horn
HTD WASH/AQS Heated Headlamp Washer, Air Quality Sensor
HUD Heads-Up Display, Steering Column Switch
I/BEAM IntelliBeam Relay
I/P MDL/ALDL Instrument Panel Module, Assembly Line Data Link Connector
LIC DIM License Plate, Instrument Panel Dimming
LT HI BEAM Driver Side High Beam Headlamp
LT LO BEAM Driver Side Low Beam Headlamp
LT PRK Driver Side Park Lamp/Driver Side Taillamp
ODD COILS Odd Ignition Coils, Odd Fuel Injectors
POST O2 SNSR Post Oxygen Sensor
PRE O2 SNSR Pre Oxygen Sensor, CAM Sensors
RAIN SNSR/TPM Rain Sensor, Relay Coil: Headlamp Wash
RT HI BEAM Passenger Side High Beam Headlamp
RT LO BEAM Passenger Side Low Beam Headlamp
RT PRK Passenger Side Park Lamp, Passenger Side Taillamp
SPARE Spare
SPARE Spare
SPARE Spare
SPARE Spare
SPARE Spare
SPARE Spare
SPARE Spare
V/CHK Instrument Panel Module-Voltage Check
WPR Wipe/Wash Module Assembly
WPR SW/VICS Rain Sensor, Wiper Switch

 

Relays Usage
A/C CMPRSR CLTCH Air Conditioning Compressor Clutch
ACCY Accessory Rain Sensor, Headlamp Washer Relay Coil, Windshield Wiper/Washer Module
BRK VAC PUMP Brake Vacuum Pump
FAN S/P Cooling Fan Series/Parallel
FOG LAMP Fog Lamps
FRT BLWR Front Blower Motor
FUEL COOL Fuel Cooling Pump
HI BEAM High Beam Headlamp
HI FAN SPD Cooling Fan High Speed
HORN Horn
LO FAN SPD Cooling Fan Low Speed
LOW BEAM W/O HID/HID Low Beam Headlamp, High Intensity Discharge (HID)
PRK LAMP Parking Lamps, Instrument Panel Dimming, Rear License Plate Lamps
PWR/TRN Engine Controls
RUN CRNK Heated Washer Nozzle, Air Quality, Antilock Brake System, Climate Control Panel, TCM, ECM, Instrument Control Panel, Instrument Control Panel Cluster
SPARE Spare
SPARE Spare
SPARE Spare
STRTR Starter
WPR HI Windshield Wiper High Speed

 

Circuit Breakers Usage
HDLP WASH Headlamp Washer Motor (Circuit Breaker)

Rear Underseat Fuse Block

There is a fuse block located under the rear seat on the driver’s side and passenger’s side of the vehicle. The rear seat cushion must be removed to access the fuse blocks.

Driver’s Side

Cadillac STS mk2 - fuse box - rear compartment (driver's side)
Cadillac STS mk2 – fuse box – rear compartment (driver’s side)
Fuses Usage
AMP Amplifier
SPARE Spare
THEFT/SHFT Theft Sensors, Auto Shifter, Power Sounder
MRTD MDL Magnetic Ride Control Module (Option)
REAR DR MDL Rear Door Modules
ELC EXH Electronic Level Control, Exhaust Solenoid (Option)
DDM Driver Door Module, Front Door SubWoofers (Option)
TV/VICS/SCM Infotainment (Export Only), Supervisory Control Module (Option)
REAR HTD/SEATS Rear Heated Seats
SPARE Spare
SPARE Spare
IGN3 Front Passenger Heated Seat, Auto Shifter, Occupant Protection, Electronic Tension Reducer for Seatbelt
REAR SHLF SPKR Rear Shelf Speaker (Option)
MSM Memory Seat Module Lumbar
TRUNK RELSE SW Trunk Release, Valet Lockout Switch
BCK/UP LAMP Reverse Lamps, Rear Parking Aid, Inside Rearview Mirrors
AIR BAG/BATT Airbag
POS LAMPS Rear Taillamps
ELC CMPRSR Automatic Level Control (Option)

 

Relays Usage
SPARE Spare
ELC CMPRSR Electronic Level Control, Compressor (Option)
LT POS Left Rear Taillamp, Position Lamps (Option)
RT POS Right Rear Taillamp, Position Lamps (Option)
RUN Ignition 3
STDBY LAMP Rear Taillamps, Position Lamps (Option)
TRUNK RELSE Trunk Release Motor
BCK/UP LAMP Reverse Lamps, Rear Parking Aid, Inside Rearview Mirror

 

Circuit Breakers Usage
PWR SEATS Power Seats

 

Diodes Usage
SPARE Spare

 

Joint Connector Usage
J/C Splice Pack (Green)

Passenger’s Side

Cadillac STS mk2 - fuse box - rear compartment (passenger's side)
Cadillac STS mk2 – fuse box – rear compartment (passenger’s side)
Fuses Usage
AIRBAG/IGN Sensing and Diagnostic Monitor, Automatic Occupant Sensor, Passenger Supplemental Inflatable Restraint
CNSTR/VENT Canister Vent Solenoid
SPARE Spare
FRT PDM Front Passenger Door Module, Right Power Subwoofer
FUEL PUMP Fuel Pump
HTD STR Heated Steering Wheel
RF HTD/SEAT/XM Front Passenger Heated Seat, S-Band™ Antenna
RDO/ONSTAR Radio, OnStar®
INT LAMP Interior Lamps
LT TRN/LDW Left Turn Signal, Lane Departure Warning (Option)
REAR DEFOG Rear Defogger
REAR/FOG Rear Fog Lamps (Option)
RIM Rear Integration Module
RIM /RPA /ISRVM /CLM Rear Integration Module, Rear Parking Aid, Inside Rearview Mirror, Column Lock Module, Power Sounder, Active Front Steering (AFS), Supervisory Control Module
RUN/CRNK UHBEC Run, CRNK Relay Coil, Rear Fog Lamp Relay Coil
S/ROOF Sun Roof Module (Option)
SPARE Spare
STOP LAMPS Stop Lamps
RT TRN/SZBA Right Turn Signal, Side Blind Zone Alert (Option)

 

Relays Usage
SPARE Spare
FUEL PUMP Fuel Pump
INT LAMP Interior Lamps
REAR DEFOG Rear Defogger
REAR/FOG Rear Fog Lamps (Option)
RUN/CRNK Ignition 1
SPARE Spare
STOP LAMP Stop Lamp

 

Circuit Breakers Usage
WINDOW MTRS Power Window Motors Circuit Breaker

 

Diodes Usage
TRUNK DIODE Trunk Release

 

Joint Connector Usage
J/C Splice Pack (Blue)

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.