Chevrolet Impala 2018 Fuse Box Info
Passenger fuse box location:
The instrument panel fuse box is in the instrument panel, on the driver side of the vehicle.
Engine compartment fuse box:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Functions |
| 1 | Wireless Charging |
| 2 | Rear stoplamps/ Courtesy lamps/ Reverse lamps/Shift lock solenoid/Puddle lamps |
| 3 | LED Indicator Light |
| 4 | Radio |
| 5 | Cluster/Auxiliary jack/HMI/USB/Radio display/CD player |
| 6 | Console power outlet |
| 7 | Rear console power outlet |
| 8 | Trunk release/Brake pedal apply/Keyless start indicators/ Hazard switch illumination/CHMSL/ Brake relay/ Sidemarker lamps/ Washer relay/Run/ Crank relay |
| 9 | Trunk lamp/Right low-beam headlamp/ DRL/Right front turn lamp/Right rear parking lamp/ Stoplamp |
| 10 | Door Unlock |
| 11 | Front HVAC blower |
| 12 | Passenger power seat |
| 13 | Driver power seat |
| 14 | Diagnostic Link Connector |
| 15 | Airbag/SDM |
| 16 | Right Rear Heated Seat |
| 17 | HVAC Controller |
| 18 | Logistics |
| 19 | Left Rear Heated Seat |
| 20 | Ignition Switch |
| 21 | Telematics |
| 22 | Steering Wheel Controls |
| 23 | Left low-beam headlamp/DRL/Left front turnlamp/Left rear parking lamp/ Stoplamp/Child lock relay |
| 24 | Theft deterrent LED/ Key capture solenoid/Run relay |
| 25 | Tilt/Telescope Steering Column |
| 26 | 110V AC |
| K1 | - |
| K2 | Logistic |
| K3 | Power Outlet Relay |
Engine compartment fuse box:
| Fuse/Relay N° | Functions |
| Fuses | |
| 1 | Transmission Control Module Battery |
| 2 | Engine control module battery / A/C Clutch |
| 3 | A/C Clutch |
| 4 | Engine control module battery |
| 5 | Engine control module/Ignition |
| 6 | Front wiper |
| 7 | Engine control module ignition |
| 8 | Ignition Coils – Even |
| 9 | Ignition Coils – Odd |
| 10 | Engine Control Module |
| 11 | Miscellaneous 1 |
| 12 | Starter |
| 13 | Transmission control module/Chassis control module/ Ignition |
| 14 | Cabin/Coolant pump |
| 17 | Body/Ignition 2 |
| 18 | Battery disconnect unit/Ignition |
| 19 | Aero Shutter |
| 20 | Transmission auxiliary pump |
| 21 | Rear Power Window |
| 22 | Sunroof |
| 23 | Adaptive Cruise Control |
| 24 | Front Power Window |
| 25 | Retained accessory power |
| 26 | ABS pump |
| 27 | Electric Parking Brake |
| 28 | Rear Defogger |
| 29 | Passive Entry/Passive Start |
| 30 | Canister Vent Solenoid |
| 31 | Heated seat, driver |
| 32 | Body control module 6 |
| 33 | Heated seat, passenger |
| 34 | ABS Valve |
| 35 | Amplifier |
| 37 | Right high-beam headlamp |
| 38 | Left high-beam headlamp |
| 41 | Vacuum Pump |
| 42 | Cooling fan high speed |
| 44 | Starter 2 |
| 45 | Cooling fan low speed |
| 46 | Cooling fan control |
| 47 | Miscellaneous 2 |
| 49 | Right HID headlamp |
| 50 | Left HID headlamp |
| 51 | Horn/Dual Horn |
| 52 | Display/Ignition |
| 53 | Body/Ignition |
| 54 | Instrument panel/ Ignition |
| 55 | Exterior rearview mirror |
| 56 | Front washer |
| 60 | Heated Mirror |
| 62 | Obstacle detection |
| 64 | Rain Sensor/Rear Seat Audio |
| 66 | Trunk Release |
| 67 | Chassis Control Module |
| 69 | Battery Voltage Sensor |
| 71 | Memory Seat |
| Relays | |
| 1 | A/C clutch |
| 2 | Starter |
| 4 | Front Wiper Speed |
| 5 | Front Wiper Control |
| 6 | Cabin/Coolant pump |
| 7 | Powertrain |
| 8 | Transmission auxiliary pump |
| 9 | Cooling fan high speed |
| 10 | Cooling fan low speed |
| 11 | Starter |
| 13 | Cooling fan control |
| 14 | Low-beam HID headlamp |
| 15 | Run/Crank |
| 17 | Rear defogger |
