Chevrolet Impala Limited Fuse Box: What Each Fuse Does
From the 2016 Chevrolet Impala Limited owner's manual. 2 fuse boxes listed.
Engine Compartment Fuse Block
| Fuse | Circuit |
|---|---|
| A/C CMPRSR | Air conditioning compressor |
| ABS MTR 1 | Antilock brake system motor 1 |
| ABS MTR 2 | Antilock brake system motor 2 |
| AIR PUMP | Air pump |
| AIR SOL | Air injection reactor solenoid |
| AIRBAG/ DISPLAY | Airbag/Display |
| AUX PWR | Auxiliary power |
| BATT 1 | Battery 1 |
| BATT 2 | Battery 2 |
| BATT 3 | Battery 3 |
| BATT 4 | Battery 4 |
| BCM | Body control module |
| CHMSL/ BCK-UP | Center high-mounted stoplamp/ Back-up lamp |
| DISPLAY | Display |
| DRL 1 | Daytime running lamps 1 |
| DRL 2 | Daytime running lamps 2 |
| ECM IGN | Engine control module/Ignition |
| ECM/TCM | Engine control module/ Transmission control module |
| EMISSIONS 1 | Emissions 1 |
| EMISSIONS 2 | Emissions 2 |
| ETC/ECM | Electronic throttle control, ECM |
| FAN 1 | Cooling fan 1 |
| FAN 2 | Cooling fan 2 |
| FOG LAMPS | Fog lamps (if equipped) |
| FSCM | Fuel system control module |
| HDLP MDL | Headlamp module |
| HORN | Horn |
| HTD MIR | Heated mirror |
| IGN 1 | Ignition 1 |
| INJ 2 | Injector 2 |
| INT LIGHTS | Interior lamps |
| INT LTS/ PNL DIM | Interior lamps/ Instrument panel dimmer |
| LT HI BEAM | Driver side high-beam headlamp |
| LT LO BEAM | Driver side low-beam headlamp |
| LT PARK | Driver side parking lamp |
| LT SPOT | Left spotlamp |
| LT T/SIG | Driver side turn signal lamp |
| ONSTAR | OnStar |
| PWR DROP/ CRANK | Power drop/Crank |
| RADIO | Audio system |
| RT HI BEAM | Passenger side high-beam headlamp |
| RT LO BEAM | Passenger side low-beam headlamp |
| RT PARK | Passenger side parking lamp |
| RT SPOT | Right spotlamp |
| RT T/SIG | Passenger side turn signal lamp |
| RVC SEN | Regulated voltage control sensor |
| STRG WHL | Steering wheel |
| STRTR | Starter |
| TRANS | Transmission |
| VAC/PUMP | Vacuum pump |
| WPR | Wiper |
| WSW | Windshield wiper |
| A/C CMPRSR (relay) | Air conditioning compressor |
| FAN 1 (relay) | Cooling fan 1 |
| FAN 2 (relay) | Cooling fan 2 |
| FAN 3 (relay) | Cooling fan 3 |
| VACUUM/ PUMP (relay) | Vacuum pump |
| PWR/TRN (relay) | Powertrain |
| REAR DEFOG (relay) | Rear defogger |
| STRTR (relay) | Starter |
Instrument Panel Fuse Block
Location: On the passenger side of the vehicle in the carpet molding
| Fuse | Circuit |
|---|---|
| AIRBAG | Airbags |
| AMP | Amplifier |
| AUX | Auxiliary outlets |
| CNSTR | Canister |
| DR/LCK | Door locks |
| HTD/SEAT | Heated seats |
| PWR/MIR | Power mirrors |
| PWR/SEAT | Power seats |
| PWR/WNDW | Power window |
| RAP | Retained accessory power |
| S/ROOF | Sunroof |
| TRUNK | Trunk |
| TRUNK (relay) | Trunk relay |
| XM | SiriusXM radio |
Source: owner's manual, PDF page 228.
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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