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)ACCESSORIES & EQUIPMENTEXTERIOR LIGHTSLIGHTING SYSTEMS
2008 Chevrolet Cobalt LS, 4D Sedan, Standard
Lighting Systems
2008 Chevrolet Cobalt LS, 4D Sedan, StandardSECTION Lighting Systems
- Specifications
- Schematic and Routing Diagrams
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Lighting Systems
- DTC B1480
- DTC B2530
- DTC B2555
- DTC B2580
- DTC B2625
- DTC B2645
- DTC B3903
- DTC B3948 or B3949
- DTC B3950 or B3951
- DTC C0277
- DTC C0278
- DTC C0870
- Symptoms - Lighting Systems
- Backup Lamps Malfunction (Manual Transmission)
- Backup Lamps Malfunction (Automatic Transmission)
- Courtesy Lamps Malfunction
- Daytime Running Lamps Malfunction
- Front Fog Lamps Malfunction
- Hazard Lamps Malfunction
- Headlamps Malfunction
- Interior Backlighting Malfunction
- Park Lamps Malfunction
- Stop Lamps Malfunction
- Turn Signal Lamps and/or Indicators Malfunction
- Repair Instructions
- Notes
- Brake Pedal Position Sensor Calibration
- Brake Pedal Position Sensor Replacement
- Fog Lamp Switch Replacement
- Front Side Door Jamb Switch Replacement
- Rear Door Jamb Switch Replacement
- Hazard Warning Switch Replacement
- Instrument Panel Lamp Dimmer Switch Replacement
- Ambient Light Sensor Replacement
- Reading Lamp Bulb Replacement
- Reading Lamp Replacement
- Transmission Floor Shift Control Indicator Lamp Replacement
- Dome Lamp Replacement
- Dome Lamp Bulb Replacement
- Headlamp Replacement
- Headlamp Bulb Replacement
- Headlamp Bracket Replacement
- Headlamp Aiming
- Front Fog Lamp Replacement
- Front Fog Lamp Bulb Replacement (G5)
- Fog Lamp Aiming
- Front Side Marker Lamp Bulb Replacement
- Rear Side Marker Lamp Replacement (Pontiac G5)
- Rear Side Marker Lamp Bulb Replacement (Pontiac G5 Coupe)
- Rear Side Marker Lamp Bulb Replacement (Chevrolet Sedan)
- Front Turn Signal Lamp Bulb Replacement
- High Mount Stop Lamp Replacement (Sedan)
- High Mount Stop Lamp Bulb Replacement (Sedan)
- High Mount Stop Lamp Bulb Replacement (Coupe)
- Cargo Lamp Replacement
- Backup Lamp Replacement (Pontiac G5)
- Backup Lamp Replacement (Chevrolet Coupe)
- Backup Lamp Bulb Replacement (Chevrolet Coupe)
- Backup Lamp Bulb Replacement (Pontiac G5)
- Backup Lamp Bulb Replacement (Chevrolet Pontiac Sedan)
- Rear License Lamp Replacement (Chevrolet)
- Rear License Lamp Replacement (Pontiac G5)
- License Lamp Bulb Replacement (Chevrolet)
- License Lamp Bulb Replacement (Pontiac G5)
- Tail Lamp Replacement (Chevy Coupe)
- Tail Lamp Replacement (Chevy Pontiac Sedan)
- Tail Lamp Replacement (Chevy Export)
- Tail Lamp Bulb Replacement (Sedan)
- Tail Lamp Bulb Replacement (Coupe)
- Tail/Turn Signal Lamp Replacement (Chevrolet Coupe)
- Rear Turn Signal Lamp Bulb Replacement (Chevrolet Coupe)
- Rear Turn Signal Lamp Bulb Replacement (Chevrolet Pontiac Sedan)
- Description and Operation
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.