Section 385 (Lighting Systems)
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Lighting Systems
- Diagnostic System Check - Lighting Systems
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC B1480: Battery Rundown Protection Circuit Malf
- DTC B2527: Front Fog Lamp Circuit Low
- DTC B2537: Rear Foglamps Circuit Low
- DTC B2550: Backup Lamps Control Circuit
- DTC B2575: Headlamp Control Circuit
- DTC B2580: Headlamp High Beam Control Circuit
- DTC B2585: Parklamp Control Circuit Malfunction
- DTC B2600: Daytime Running Lamp Control Circuit
- DTC B2610: Passenger Compartment 1 Dimming Circuit
- DTC B2615: Passenger Compartment Dimming 2 Circuit
- DTC B2620: Display Dimming Pulse Width Modulation (PWM) Input Circuit
- DTC B2625: Display Dimming Pulse Width Modulation (PWM) Output Circuit
- DTC B2645: Ambient Light Sensor Circuit
- DTC B3801: Passenger Compartment Lamp Request Circuit
- DTC B3802: Parklamps Request Circuit
- Symptoms - Lighting Systems
- Backup Lamps Always On
- Backup Lamps Inoperative
- Cargo Lamp Always On
- Cargo Lamp Inoperative
- Clearance Lamps Inoperative
- Courtesy Lamps Always On
- Courtesy Lamps Inoperative
- Daytime Running Lamps (DRL) Always On
- Daytime Running Lamps (DRL) Inoperative (Domestic)
- Exterior Courtesy Lamp(s) Always On
- Exterior Courtesy Lamp(s) Inoperative
- Fog Lamp Indicator Inoperative
- Fog Lamp Indicator Inoperative - Rear
- Fog Lamps Always On
- Fog Lamps Inoperative
- Fog Lamps Always On - Rear
- Fog Lamps Inoperative - Rear
- Hazard Lamps Always On
- Hazard Lamps Inoperative
- Headlamps Always On - Low or High Beam
- Headlamps Inoperative - High Beams
- Headlamps Inoperative - Low Beams
- Headlamps Inoperative - Low and High Beams
- Headlamps Inoperative - Flash to Pass
- Headlight Leveling Inoperative
- High Beam Indicator Always On
- High Beam Indicator Inoperative
- Interior Backlighting Does Not Dim
- Interior Backlighting Inoperative
- Park, License, and Tail Lamps Always On
- Park, License, and Tail Lamps Inoperative
- Reading Lamp(s) Inoperative
- Roof Beacon Lamp Always On
- Roof Beacon Lamp Inoperative
- Stop Lamps Always On
- Stop Lamps Inoperative
- Turn Signal Lamps and/or Indicators Always On or Flashing
- Turn Signal Lamps and/or Indicators Inoperative
- Vanity Mirror Lamp(s) Inoperative
- Repair Instructions
- Stop Lamp Switch Replacement
- Headlamp Switch Replacement
- Headlamp Leveling Switch Replacement
- Lamp Switch Assembly Replacement - Front Fog Lamp and Cargo Lamp
- Fog Lamp Switch Replacement - Rear
- Ambient Light Sensor Replacement
- Hazard and Turn Signal Flasher Replacement
- Courtesy Lamp Replacement - Exterior
- Courtesy Lamp/Reflector Replacement - Door
- Instrument Panel (I/P) Compartment Lamp Switch Replacement
- Vanity Mirror Lamp Replacement
- Dome Lamp Replacement
- Underhood Lamp Replacement
- Headlamp Assembly or Headlamp Bulb Replacement (Old Style)
- Headlamp Aiming
- Fog Lamp Replacement - Front
- Fog Lamp Bulb Replacement - Front (Old Style)
- Fog Lamp Bulb Replacement - Rear
- Fog Lamp Aiming Procedure
- Park/Turn Signal Lamp Replacement (Old Style)
- Marker Lamp Replacement - Roof (Center)
- Marker Lamp Replacement - Roof (Outer)
- Marker Lamp Bulb Replacement - Roof (Center)
- Marker Lamp Bulb Replacement - Roof (Outer)
- High Mounted Stop Lamp Replacement
- License Lamp Replacement (Pickup W/O Bumper)
- Tail/Turn Signal Lamp Replacement (Except Stepside)
- Description and Operation
- Special Tools and Equipment