Chevrolet Spark M400 – represents the 4th generation of the model range. Released in 2016, 2017, 2018, 2019, 2020, 2021, 2022. In this publication, you will find a designation of the fuses and relays of the Chevrolet Spark M400 with box diagrams and their locations. Note the cigarette lighter fuse.
Passenger compartment
The instrument panel fuse box is on the underside of the driver side instrument panel.
Diagram
Assignment
| ONSTAR | OnStar |
| HVAC CNTR/ECC | HVAC control module/ECC |
| IPC | Instrument panel cluster |
| TCM | Transmission control module |
| RDO | Radio |
| BCM1 (AT S&S) | Body control module 1 (CVT stop and start) |
| SBSA/RPA | SBSA/Rear parking assist |
| DLC | Data link connector |
| ESCL | Electric steering column lock |
| SDM | Sensing and diagnostic module |
| TRANSD | TRANSD / DC-DC converter |
| AQI | 2019-2020: Air quality ionizer |
| ETCS | Electronic toll collection system |
| LPM | Linear power module |
| PEPS | Passive entry/ Passive start |
| DLIS (Non AT S&S) | Discrete logic ignition switch (non-CVT stop and start) |
| FCA | Forward collision alert |
| IPC | Instrument panel cluster |
| RLAD | Reflected LED alert display |
| HLLD SW | Headlamp leveling switch |
| FRT PWR WNDW | Front power window |
| REAR PWR WNDW | Rear power window |
| Blank | Not Used |
| MTA | Automated manual transmission module |
| APO | Auxiliary power outlet |
| S/ROOF | Sunroof |
| CGM | Central gate module (2018) |
| Blank | Not Used |
| BCM8 | Body control module 8 |
| BCM7 | Body control module 7 |
| BCM6 | Body control module 6 |
| BCM5 | Body control module 5 |
| BCM4 | Body control module 4 |
| BCM3 | Body control module 3 |
| BCM2 (Non AT S&S) | Body control module 2 (non-CVT stop and start) |
| BCM1 (Non AT S&S) | Body control module 1 (non-CVT stop and start) |
| DLIS (AT S&S) | Discrete logic ignition switch (CVT stop and start) |
| SWC BKLT | Steering wheel controls backlighting |
| Blank | Not Used |
| TRANS (200/ 400W) / LOGISTICS | DC DC converter/ Logistics |
| EXP PWR WNDW | Driver express power window |
| BLWR | Blower motor |
| HTD/SEAT | Front heated seats |
| HVAC CNTR | HVAC module |
| HTD/STR | Heated steering wheel |
| BCM2 (AT S&S) | Body control module 2 (CVT stop and start) |
| RLY1 | Logistics relay |
| RLY2 | Accessory/ Retained accessory power relay |
| RLY3 | Interruptible retained accessory power relay |
| RLY4 | Run relay |
Cigar lighter (power outlet) fuse marked as “APO” (Auxiliary power outlet).
Engine Compartment
The engine compartment fuse box is on the driver side of the vehicle, near the battery.
To access the fuses, press the tab at the front of the cover, and lift the cover.
Photo for example
Diagram
Designation
| 1 | Liftgate latch |
| 2 | 2016-2018: Not Used. 2019-2020: Transmission output speed sensor |
| 3 | Rear defogger |
| 4 | Exterior rearview mirror heater |
| 5 | Sunroof |
| 6 | Continuously variable transmission control module |
| 7 | Mass air flow sensor |
| 8 | 2016-2018: Auxiliary heater pump. 2019-2020: Not Used |
| 9 | ABS valve |
| 10 | Regulated voltage control |
| 11 | Rear vision camera |
| 12 | Not Used |
| 13 | Not Used |
| 14 | Engine control module/ Transmission control module |
| 15 | Fuel injection control module/ Starter motor |
| 16 | Fuel pump motor |
| 17 | Engine control module 1 |
| 18 | Engine control module 2 |
| 19 | Injector/lgnition |
| 20 | A/C system |
| 21 | Intelligent battery sensor |
| 22 | Electric steering column lock |
| 23 | Cooling fan – low |
| 24 | 2016-2018: Not Used. 2019-2020: Virtual key pass system sensor |
| 25 | Exterior rearview mirror motor control |
| 26 | Engine control module/ Transmission control module battery |
| 27 | Canister vent solenoid |
| 28 | 2016-2018: Brake pedal switch. 2019-2020: Not Used |
| 29 | Automatic occupant sensing |
| 30 | Headlamp leveling motor |
| 31 | Horn |
| 32 | Front fog lamps |
| 33 | Left high-beam headlamp |
| 34 | Right high-beam headlamp |
| 35 | 2016-2018: Not Used. 2019-2020: Virtual key pass system module |
| 36 | Rear wiper |
| 37 | Left cornering lamp |
| 38 | Washer motor |
| 39 | Right cornering lamp |
| 40 | Not Used |
| 41 | 2016-2018: Not Used. 2019-2020: Virtual key pass system sensor |
| 42 | Starter 2 |
| 43 | In-panel bussed electrical center |
| 44 | Automated manual transmission |
| 45 | Starter 1 |
| 46 | ABS pump |
| 47 | Cooling fan – high |
| 48 | Front wiper motor |
| 49 | Accessory/ Retained accessory power |
| Relay | |
| RLY1 | Rear defogger |
| RLY2 | Transmission control module |
| RLY3 | Fuel pump motor |
| RLY4 | Starter 2 |
| RLY5 | A/C system |
| RLY6 | 2016-2018: Auxiliary heater pump. 2019-2020: Not Used |
| RLY7 | Cooling fan – low |
| RLY8 | Run/Crank |
| RLY9 | 2016-2018: WR/TRN. 2019-2020: Powertrain |
| RLY10 | Starter 1 |
| RLY11 | Cooling fan – high |
| RLY12 | Front fog lamps |
A high power main fuse can be attached to the positive terminal.
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