Acura TLX | 2021-2024 | Fuse Box Diagrams and Locations

In this article, we focus on the second-generation Acura TLX, a luxury sports sedan that has been in production from 2021 to the present. Renowned for its bold design, advanced technology, and dynamic performance, the second-generation TLX has set a new benchmark for the Acura brand. It offers enhanced driving capabilities, luxurious interiors, and cutting-edge safety and convenience features, appealing to drivers who seek both performance and refinement.

This guide provides detailed fuse box diagrams for Acura TLX models from 2021, 2022, 2023, and 2024. These diagrams serve as invaluable tools for understanding the car’s electrical system and locating specific fuses. You will also find essential information about the locations of the fuse panels, which are typically found in the interior cabin and the engine compartment. These panels provide easy access for diagnosing issues, replacing fuses, or performing maintenance.

In addition to the diagrams, this resource offers a comprehensive breakdown of the fuse layout, specifying the assignment of each fuse to various systems and components. These include vital systems such as headlights, infotainment systems, air conditioning, power windows, and safety features like airbags and ABS (Anti-lock Braking System). It also covers the functions of the relays, which control systems such as the fuel pump, cooling fans, and more.

Whether you are troubleshooting electrical issues, performing routine maintenance, or learning more about the vehicle’s electrical architecture, this article will provide the detailed knowledge necessary to maintain the proper operation of your Acura TLX. As one of Acura’s flagship sedans, the second-generation TLX combines luxury and performance in a striking package, and understanding its fuse and relay systems is key to keeping it running smoothly and efficiently.

What’s Included

Dashboard Fuse Box

Fuse Box Location

The location of the fuses in the passenger compartment: Acura TLX (2021, 2022)

Located under the dashboard.

Fuse box diagram

Assignment of fuses in the interior fuse box (2021)

№	Circuit Protected	Amps
1	–	–
2	L SIDE DOOR UNLOCK	10 A
3	R SIDE DOOR UNLOCK	10 A
4	ACC	10 A
5	–	–
6	SRS	10 A
7	–	–
8	R H/L Hl	10 A
9	SMART	10 A
10	POWER DISTRIBUTION MODULE	10 A
11	L SIDE DOOR LOCK	10 A
12	DR DOOR LOCK	(10 A)
13	R SIDE DOOR LOCK	10 A
14	A/C	10 A
15	DRL	10 A
16	CTR ACC SOCKET	20 A
17	HAZARD	10 A
18	L H/L HI	10 A
19	HORN	15 A
20	IMG	10 A
21	DR DOOR UNLOCK	00 A)
22	–	–
23	–	–
24	–	–
25	–	–
26	–	–
27	–	–
28	–	–
29	FUSE BOX ENGINE COMPARTMENT	20 A
30	–	–
31	–	–
32	RADIO	15 A
33	–	–
34	–	–
35	ACG	10 A
36	METER	10 A
37	OPTION	10 A
38	MOONROOF	20 A
39	–	–
40	–	–
41	–	–
42	HEATED STEERING WHEEL	(10 A)
43	–	–
44	–	–
45	TCU	10 A
46	SRS	10 A
47	–	–
48	SBW	10 A
49	DOORLOCK	20 A
50	FRONT ACC SOCKET	20 A
51	REAR R P/W	20 A
52	RR L P/W	20 A
53	AS P/W	20 A
54	DRIVER P/W	20 A
55	–	–

Engine Compartment Fuse Boxes

Fuse box locations and assignments

The location of the fuses in the engine compartment: Acura TLX (2021, 2022)

Push the tabs to open the box.

Type A

№	Circuit Protected	Amps
1	FUSE BOX MAIN	60 A
1	PREMIUM AMP	(40 A)
1	BASE AMP	(30 A)
1	FET MODULE 1	30 A
1	ST MAGNET SW	30 A
1	WIPER MOTOR	30 A
1	–	–
2	–	(70 A)
2	FUSE BOX OPTION 1	30 A
2	–	(40 A)
2	DR SEAT	60 A
2	IG MAIN	30 A
2	FET MODULE 2	30 A
3	–	(40 A)
3	–	(30 A)
3	ABS/VSA MOTOR	40 A
3	–	(40 A)
3	–	(40 A)
3	BLOWER MOTER	40 A
4	FET MODULE 3	60 A
4	VST 1	(30 A)
4	VST 2	(30 A)
4	SUB FAN	30 A
5	R H/L LO	10 A
6	IG COIL	15 A
7	DBW	15 A
8	DR P/SEAT 2	30 A
9	INJECTOR	20 A
10	TCU 3	10 A
11	L H/L LO	10 A
12	TCU 2	10 A
13	TCU	15 A
14	MAIN RLY	15 A
15	VBS/VBU	10 A
16	BRAKE LT	5 A
17	BACK UP	10 A
18	WASHER	15 A
19	–	–
20	–	–
21	RR H/SEAT	(20 A)
22	–	–
23	–	–
24	–	–
25	–	–
26	–	–
27	–	–
28	–	–
29	–	–
30	–	–
31	FUEL PUMP	15 A
32	STARTER CUT	10 A
33	VSA/ABS	10 A
34	DR P/SEAT 1	30 A
35	DR P/SEAT 3	30 A
36	FR DEICER	(15 A)
37	STRLD	7.5 A
38	–	–
39	MISS SOL 2	10 A
40	IGPS (LAF)	10 A
41	IGPS SUB	10 A
42	VBACT	10 A
46	ACC (VST)	10 A
47	METER (VST)	10 A
48	BACK UP (VST)	10 A
49	IDAS (VST)	10 A
50	BCM (VST)	10 A
51	–	–
52	–	–
53	–	–
54	–	–
55	–	–
56	–	–
57	–	–

Type B

№	Circuit Protected	Amps
1	MAIN FUSE	150 A
2	R/B ACG	125 A
3	EPS	80 A
4	VSA	40 A
5	ESB	40 A
6	–	(30 A)
7	FAN1	30 A

Rear Fuse Box

Fuse box location and Assignments

Located on the left side of the cargo area. Remove the cover by pushing on the tab.

№	Circuit Protected	Amps
1	PASSENGER P/SEAT 2	30 A
2	BMS	10 A
3	–	(15 A)
4	4WD	00 A)
5	PASSENGER P/SEAT 1	30 A
6	PASSENGER P/SEAT 3	30 A
7	ACTIVE DAMPER SYSTEM	(15 A)
8	–	–
9	–	–
10	–	–
11	–	–
12	FUEL PUMP	30 A
13	–	–
14	REAR DEFROSTER	40 A
15	4WD	(30 A)
16	–	–
17	IG MAIN 2	30 A
18	–	–
19	–	–

Trunk Room Fuse Box

Fuse box location and Assignments

Located under the trunk room near the “+” terminal on the battery.

№	Circuit Protected	Amps
a	Battery	450 A
b	–	150 A
c	Jump Start Box	200 A
d	–	80 A
e	Rear Box 1	70 A
f	Fuse Box 2	60 A
g	Rear Box 2	70 A