GMC Sierra 1500 Limited Fuse Box: What Each Fuse Does
From the 2022 GMC Sierra 1500 Limited owner's manual. 2 fuse boxes listed.
Instrument Panel Fuse Block (Left)
Location: The left instrument panel fuse block access door is on the driver side edge of the instrument panel.
| Fuse | Circuit |
|---|---|
| F1 | Rear Heated Seats Left/Right |
| F3 | – |
| F4 | – |
| F5 | Spare/MFEG – Multifunction End Gate |
| F6 | Heated and Ventilated Seats Left/Right |
| F8 | – |
| F9 | Passive Entry Passive Start/Spare |
| F10 | – |
| F11 | – |
| F12 | Passenger Power Seat |
| F13 | Export Power Take Off/ Special Equipment Option 1 |
| F14 | – |
| F15 | – |
| F16 | AMP – Amplifier |
| F17 | – |
| F18 | – |
| F20 | Endgate |
| F22 | Rear Sliding Window |
| F23 | – |
| F24 | – |
| F25 | – |
| F26 | – |
| F27 | – |
| CB1 | – |
| K1 | Rear Sliding Window Open |
| K2 | Rear sliding Window Close |
| K3 | MFEG Major 1 – Multifunction End Gate Major 1 |
| K4 | MFEG Minor 1 – Multifunction End Gate Minor 1 |
| K5 | MFEG Minor 2 – Multifunction End Gate Minor 2 |
| K6 | MFEG Major 2 – Multifunction End Gate Major 2 |
| K7 | – |
| K8 | – |
Instrument Panel Fuse Block (Right)
Location: The right instrument panel fuse block access door is on the passenger side edge of the instrument panel.
| Fuse | Circuit |
|---|---|
| F1 | Right Doors |
| F2 | Left Doors |
| F3 | Universal Garage Door Opener |
| F4 | – |
| F5 | – |
| F6 | Front Blower |
| F8 | Lumbar Switch |
| F10 | Body Control Module 6/ Body Control Module 7 |
| F11 | Seat/Column Lock Module |
| F12 | Body Control Module 3/ Body Control Module 5 |
| F14 | Mirrors/Windows Module |
| F17 | Steering Wheel Controls |
| F18 | Video Processing Module/ Obstacle Detection |
| F19 | DLIS – Discrete Logic Ignition Switch |
| F20 | Ventilated Seats |
| F21 | NOT R/C |
| F22 | Heated Steering Wheel |
| F23 | MISC R/C |
| F24 | Power Take Off/Reflective Light Auxiliary Display/ Instrument Panel Cluster/ Central Gateway Module/ Inside Rear View Mirror/Overhead Console Module Ignition |
| F25 | Heating, Ventilation, and Air Conditioning Ignition/ Heating, Ventilation, and Air Conditioning Auxiliary |
| F26 | USB Ports/Special Equipment Option Retained Accessory Power |
| F27 | Accessory Power Outlet/ Retained Accessory Power |
| F28 | Accessory Power Outlet/Battery |
| F30 | Sensing and Diagnostic Module/Parking Brake |
| F31 | Body Control Module 4 |
| F32 | Special Equipment Option/ Data Link Connection |
| F33 | Body Control Module 8 |
| F34 | Cargo Lamp |
| F40 | CGM – Central Gateway Module |
| F41 | Infotainment 1 |
| F42 | TCP – Telematics Connectivity Platform |
| F43 | – |
| F44 | – |
| F45 | Body Control Module 2 |
| F46 | Heating, Ventilation, and Air Conditioning/Battery 1 |
| F47 | Instrument Panel Cluster/Battery |
| F48 | Transmission Control Module |
| F49 | Body Control Module 1 |
| F50 | – |
| F51 | Battery 1 |
| F52 | Battery 2 |
| F53 | – |
| F54 | Sunroof |
| F55 | Driver Power Seat |
| F56 | DC DC TRANS 1 |
| F57 | DC DC TRANS 2 |
| F58 | Infotainment 2 |
| 1 | Accessory Power Outlet 2 |
| 2 | Accessory Power Outlet 1/ Cigarette Lighter |
| 3 | – |
| 4 | – |
| K1 | Run/Crank |
| K2 | Retained Accessory Power/ Accessory 1 |
| K4 | – |
| K5 | – |
Listings are copied as text from the manual's fuse tables (AI-assisted; every circuit name was matched against the cited pages 2026-10-18). Fuse layouts can differ by trim and year; check the label on the fuse box cover before replacing a fuse, and always use the same amp rating.
Confirm with your own manual, dipstick or door-jamb label.
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