X51A Instrument Panel Wiring Harness Junction Block Top View

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Usage Table

No.	Device Label Name	Device Assigned Name	Rating	Description
Fuses
F1	Not Used	F1DA	-	Not Used
F2	HVAC BLWR	F2DA	40A	M8 Blower Motor
F3	Not Used	F3DA	-	Not Used
F4	Not Used	F4DA	-	Not Used
F5	THEFT DTRNT/UGDO	F5DA	5A	A103 Roof Console B117A Windshield Outside Moisture/Ambient Light and Humidity Sensor (CE1) B165 Content Theft Deterrent Sensor (UTU) S25 Garage Door Opener Transmitter (UG1)
F6	Not Used	F6DA	-	Not Used
F7	AQI	F7DA	5A	V1 Passenger Compartment Air Filter Module (KEM)
F8	HTD STR WHL	F8DA	7.5A	X85 Steering Wheel Airbag Coil (KI3) K32 Heated Steering Wheel Module (KI3-UKL) K180S Driver Monitoring System Module - Steering Wheel (UKL)
F9	Not Used	F9DA	-	Not Used
F10	ESCL 1	F10DA	5A	K60 Column Lock Module (N06)
F11	Not Used	F11DA	-	Not Used
F12	Not Used	F12DA	-	Not Used
F13	Not Used	F13DA	-	Not Used
F14	Not Used	F14DA	-	Not Used
F15	Not Used	F15DA	-	Not Used
F16	Not Used	F16DA	-	Not Used
F17	Not Used	F17DA	-	Not Used
F18	DISPLAY/INFOTMNT	F18DA	15A	A22 Radio Control A26 Heater and Air Conditioning User Interface Control - Front P16 Instrument Panel Cluster Control Module P29 Head-Up Display (UV6) S165 Infotainment Control Switch (-MJK) X20 Card Reader Receptacle (UQT/UV2+XVR) X23 Multimedia Receptacle
F19	AIRBAG/AOS/DLC/WCM	F19DA	10A	K36 Restraints Control Module K85P Restraints Occupant Classification System Module - Passenger (AL0) S26 Hazard Warning Switch (KA1) T22 Wireless Accessory Charging Module X84 Data Link Connector
F20	PWR STR COL MDL/ESCL 2	F20DA	10A	K60 Column Lock Module (N06) K99 Steering Column Control Module (N38)
F21	DMS/PDR	F21DA	10A	K161 Vehicle Performance Data Recorder (UQT) K180 Driver Monitoring System Module (UKL)
F22	Not Used	F22DA	-	Not Used
F23	Not Used	F23DA	-	Not Used
F24	Not Used	F24DA	-	Not Used
F25	USB	F25DA	10A	X92C Single Charge Only 2nd Row Receptacle - Floor Console Rear
F26	Not Used	F26DA	-	Not Used
F27	Not Used	F27DA	-	Not Used
F28	Not Used	F28DA	-	Not Used
F29	Not Used	F29DA	-	Not Used
F30	Not Used	F30DA	-	Not Used
F31	HDLP LVL MANUAL	F31DA	10A	Not Used
F32	Not Used	F32DA	-	Not Used
F33	BODY IGN/IP IGN	F33DA	10A	A10 Inside Rearview Mirror (DD8/DRZ) B108E Ambient Air Quality Sensor - Exterior B160 Inside Air Moisture and Windshield Temperature Sensor (ASV) K36 Restraints Control Module K219 Lighting Control Module M73A Front Seat Back Ventilation Blower - Driver (KU9) M73B Front Seat Back Ventilation Blower - Passenger (KU9) M73D Front Seat Cushion Ventilation Blower - Driver (KU9) M73P Front Seat Cushion Ventilation Blower - Passenger (KU9) P43 Forward Collision Alert Display (-UV6)
F34	EXH VLV	F34DA	15A	M106C Exhaust Control Valve Actuator - Cylinder Deactivation (LGY-G96) M106S Exhaust Control Valve Actuator - Sound Quality (LGY) M106SB Exhaust Control Valve 2 Actuator - Sound Quality (LGY) M106V Exhaust Control Valve Actuator - Variable (LT4) M106VB Exhaust Control Valve 2 Actuator - Variable (LT4)
F35	TCM IGN/ECM IGN/SHIFT IGN/BRAKE IGN	F35DA	10A	A104 Brake Master Cylinder B357 Inside Ambient Air Quality Particulate Sensor Module (USK) K20 Engine Control Module K71 Transmission Control Module (-MJK) K160 Brake System Control Module K212 Gear Shift Control Module (-MJK) P16 Instrument Panel Cluster Control Module
F36	SHFT MDL	F36DA	10A	K212 Gear Shift Control Module (-MJK)
F37	BCM 1/EPB SW	F37DA	10A	K9 Body Control Module S91 Parking Brake Control Switch
F38	CSM	F38DA	15A	A11 Radio
F39	STR/WHL/CNTRL	F39DA	2A	K180S Driver Monitoring System Module - Steering Wheel (UKL) S70L Cruise Control Switch S70R Radio Control Switch - Steering Wheel X85 Steering Wheel Airbag Coil
F40	BCM 2	F40DA	20A	K9 Body Control Module
F41	BCM 3	F41DA	20A	K9 Body Control Module
F42	BCM 4	F42DA	20A	K9 Body Control Module
Circuit Breakers
CB1	APO 1	F1DB	15A	X80H Accessory Power Receptacle - Floor Console Front
CB2	APO 2	F2DB	15A	X80L Front Floor Console Accessory Power Rear Receptacle
Relays
K1	RAP/ACCY RLY	KR76 Accessory Time Delay Cutoff Relay	-	F1DB Circuit Breaker F2DB Circuit Breaker F25DA Fuse
K2	RUN/CRNK RLY	KR73 Ignition Main Relay	-	F10DA Fuse F33DA Fuse F34DA Fuse F35DA Fuse
K3	Not Used	-	-	Not Used
K4	Not Used	-	-	Not Used
K5	Not Used	-	-	Not Used