Cadillac DTS (2008 – 2011) – fuse box diagram

Cadillac DTS (2008 – 2011) – fuse box diagram

Year of production: 2008, 2009, 2010, 2011

Underhood Fuse Block

The underhood fuse block is located on the passenger’s side of the engine compartment. Remove the fuse cover and secondary service cover to access the fuse block.

Cadillac DTS - fuse box - engine compartment
Cadillac DTS – fuse box – engine compartment
Fuses Usage
F1 Engine Control Module (ECM), Crank
F2 Fuel Injectors Odd
F3 Fuel Injectors Even
F4 Air Conditioning Clutch
F5 Air Injection Reactor (AIR) Solenoid
F6 Oxygen Sensor
F7 Emission Device
F8 Transmission, Ignition 1
F9 Engine Control Module (ECM), Powertrain Control Module (PCM)
F10 Climate Control System, Instrument Panel Cluster Ignition 1
F11 Airbag System
F12 Horn
F13 Windshield Wiper
F14 Fog Lamps
F15 Right High-Beam Headlamp
F16 Left High-Beam Headlamp
F17 Left Low-Beam Headlamp
F18 Right Low-Beam Headlamp
F19 Windshield Washer Pump Motor
F20 Left Front Cornering Lamp
F21 Right Front Cornering Lamp
F22 Air Pump (J-Case)
F23 Antilock Brake System (ABS) (J-Case)
F24 Starter (J-Case)
F25 Antilock Brake System (ABS) Motor (J-Case)
F26 Cooling Fan 2 (J-Case)
F27 Cooling Fan 1 (J-Case)
F28 Windshield Washer Heater (J-Case)



Relays Usage
29 Powertrain
30 Starter
31 Cooling Fan 2
32 Cooling Fan 3
33 Cooling Fan 1
34 Air Conditioning Clutch
35 Air Injection Reactor (AIR) Solenoid
36 Ignition
37 Air Pump

Rear Underseat Fuse Block

The rear fuse block is located under the rear seat on the driver’s side. The rear seat cushion must be removed to access the rear fuse block.

Cadillac DTS - fuse box - rear underseat fuse block
Cadillac DTS – fuse box – rear underseat fuse block
Fuses Usage
1 Fuel Pump
2 Left Park Lamp
3 Run 3 – Rear Blower
4 Right Park Lamp
5 Engine Control Module (ECM)/Transmission Control Module (TCM)
6 Memory Module
7 Right Park Lamp (optional)
8 Steering Wheel Illumination
9 Front Heated/Cooled Seat Module
10 Run 2 – Heated/Cooled Seats, Heated Washer Fluid
11 Rear Heated Seat Module
12 RPA Module
13 PASS-Key® III System
14 Unlock/Lock Module
15 Magnetic Ride Control
16 Daytime Running Lamps (DRL) (optional)
17 Sunroof
18 Body Control Module (BCM) Dim
19 Body Control Module (BCM)
20 Run 1-Heated Steering Wheel
21 Ignition Switch
22 Driver Door Module
23 Rear Lumbar
24 Electronic Leveling Control Module
25 Body Control Module (Left Turn Signal)
26 Cigarette Lighter, Auxiliary Power Outlet
27 Navigation
28 Retained Accessory Power 1 (RAP)
29 Passenger Door Module
30 Sensing and Diagnostic Module
31 Accessory Power Outlets
32 Body Control Module (BCM) (Inadvertent)
33 Retained Accessory Power 2 (RAP)
34 Canister Vent Solenoid
35 Body Control Module (Courtesy)
36 Body Control Module (Right Turn Signal)
37 Trunk Release
38 Amplifier, Radio
39 Body Control Module (CHMSL)
40 Body Control Module
41 Stoplamp (optional)
42 OnStar® Module
43 Body Modules
44 Radio
45 Door Unlatch (optional)
46 Rear Defogger (J-Case)
47 Electronic Leveling Control Compressor (J-Case)
48 Blower (J-Case) (optional)
49 Blower (J-Case) (optional)


Resistor USage
50 Terminating Resistor


Relay Usage
51 Front Blower (optional)
52 Rear Defogger
53 Electronic Leveling Control Compressor
58 Park Lamps
59 Fuel Pump
60 License Plate Lamp (optional)
61 Right Park Lamp (optional)
62 Unlock
63 Lock
64 Run
65 Daytime Running Lamps (DRL) (optional)
66 Door Unlatch (optional)
67 Trunk Release
68 Stoplamp (optional)
69 Overhead Lamps (optional)
70 Retained Accessory Power (RAP)


Circuit Breakers Usage
54 Right Front Seat
55 Left Front Power Seat
56 Power Windows
57 Power Tilt Steering Wheel

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