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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 666 (LIGHTING SYSTEMS)
2006 Chevrolet Suburban K2500, 6.0 U
Section 666 (Lighting Systems)
2006 Chevrolet Suburban K2500, 6.0 USECTION Section 666 (Lighting Systems)
WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 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 Code Index
- Diagnostic Starting Point - Lighting Systems
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC B1480
- DTC B2527
- DTC B2537
- DTC B2550
- DTC B2575
- DTC B2580
- DTC B2585
- DTC B2600
- DTC B2610
- DTC B2615
- DTC B2620
- DTC B2625
- DTC B2645
- DTC B3801
- DTC B3802
- 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) Defeat Inoperative
- 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
- 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
- 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
- Marker Lamp Bulb Replacement - Roof (Center)
- Marker Lamp Bulb Replacement - Roof (Outer)
- Marker Lamp Replacement - Roof (Center)
- Marker Lamp Replacement - Roof (Outer)
- Park/Turn Signal Lamp Replacement (Old Style)
- High Mounted Stop Lamp Replacement
- License Lamp Replacement (Pickup W/O Bumper)
- Tail/Turn Signal Lamp Replacement (Except Stepside)
- Description and Operation
- Exterior Lighting Systems Description and Operation
- Exterior Lamps
- Headlamps
- High Beams
- Low Beams
- Daytime Running Lamps (DRL)
- Fog Lamps
- Park, Tail and Marker Lamps
- Exterior Courtesy Lamps
- Turn Signal/Hazard Lamps
- Stop Lamps
- Backup Lamps - Automatic Transmission
- Backup Lamps - Allison Transmission
- Backup Lamps - Manual Transmission
- Cargo Lamps
- Clearance Lamps
- Roof Beacon Lamp
- Interior Lighting Systems Description and Operation
- Exterior Lighting Systems Description and Operation
- Special Tools and Equipment
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.