Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2008COBALT LS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT VIEWS & COMPONENT CONNECTOR END VIEWSELECTRICAL CENTER IDENTIFICATION VIEWSBODY CONTROL MODULE (BCM) LABEL
2008 Chevrolet Cobalt LS, 4D Sedan, Standard
Body Control Module (BCM) Label
2008 Chevrolet Cobalt LS, 4D Sedan, StandardSECTION Body Control Module (BCM) Label
Body Control Module (BCM) Label Usage
| No. | Device | Rating | Description |
|---|---|---|---|
| 1 | FUSE PULLER | - | - |
| 2 | EMPTY | - | Not Used |
| 3 | EMPTY | - | Not Used |
| 4 | EMPTY | - | Not Used |
| 5 | EMPTY | - | Not Used |
| 6 | AMP Fuse | 20A | Audio Amplifier (UQ3) |
| 7 | CLSTR Fuse | 10A | Instrument Panel Cluster (IPC) |
| 8 | IGN SW/PK3+ Fuse | 2A | Ignition Switch |
| 9 | STOP LP Fuse | 10A | Not Used |
| 10 | HVAC/PK3+ Fuse | 10A | HVAC Control Module, Theft Deterrent Control Module |
| 11 | EMPTY | - | - |
| 12 | SPARE | 20A | Not Used |
| 13 | AIRBAG Fuse | 10A | Inflatable Restraint Front Passenger Presence System (PPS) Module, Inflatable Restraint Sensing and Diagnostic Module (SDM) |
| 14 | SPARE | 10A | Not Used |
| 15 | WPR Fuse | 10A | Windshield Wiper/Washer Switch, Turbocharger Boost Gage (LNF) |
| 16 | HVAC/IP IGN Fuse | 10A | Clutch Pedal Start Switch (M/T), Instrument Panel Cluster (IPC), Heated Seat Switches (KA1), HVAC Control Module, Inflatable Restraint Passenger Air Bag On/Off Indicator |
| 17 | WNDW RAP Fuse | 2A | Not Used |
| 18 | EMPTY | - | - |
| 19 | EPS/STR WHL CNTRL Fuse | 2A | Electronic Power Steering Control Module (PSCM), Steering Wheel Controls - Left (K34, UK3) |
| 20 | S ROOF Fuse | 15A | Sunroof Switch |
| 21 | SPARE | 20A | Not Used |
| 22 | EMPTY | - | - |
| 23 | RDO Fuse | 15A | Radio, Remote Control Door Lock Receiver (RCDLR) (AU0) |
| 24 | XM/ONSTAR Fuse | 10A | Vehicle Communication Interface Module (VCIM) (UE1), Digital Radio Receiver (DRR) |
| 25 | ECM/TCM Fuse | 10A | Engine Control Module (ECM), Transmission Control Module (TCM) |
| 26 | DR LCK Fuse | 15A | DOOR LOCK PCB Relay, DOOR UNLOCK PCB Relay, DR DOOR UNLOCK PCB Relay, INT LIGHT PCB Relay |
| 27 | INT LIGHT Fuse | 10A | INT LIGHT PCB Relay |
| 28 | SWC BKLT Fuse | 2A | Steering Wheel Controls |
| 29 | PWR WNDW Fuse | 30A | Driver Window Switch, Front Passenger Window Switch |
| 30 | HVAC Relay | - | Blower Motor |
| 31 | EMPTY | - | - |
| 32 | RAP Relay | - | PWR WNDW Fuse 29, S ROOF Fuse 20 |
| Printed Circuit Board (PCB) Relays - Not Serviceable | |||
| - | INT LIGHT PCB Relay | - | Dome Lamp, Inside Rearview Mirror |
| - | DOOR LOCK PCB Relay | - | BCM Logic, Door Latches |
| - | DOOR UNLOCK PCB Relay | - | BCM Logic, Door Latches |
| - | DR DOOR UNLOCK PCB Relay | - | BCM Logic, Driver Door Latch |
| - | IGN 3 PCB Relay | - | Blower Motor |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.