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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 507 (LIGHTING SYSTEMS)
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M
Section 507 (Lighting Systems)
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Section 507 (Lighting Systems)
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. 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 B1354: Courtesy Lamps Control Circuit Open
- DTC B1397: Dimming Reference Voltage Circuit Low
- DTC B1398: Dimming Reference Voltage Circuit High
- DTC B1482: Supply Voltage Circuit Low
- DTC B2532: Front Foglamps Control Circuit Low
- DTC B2533: Front Foglamps Control Circuit High
- DTC B2552: Backup Lamps Control Circuit Low
- DTC B2553: Backup Lamps Control Circuit High
- DTC B2577: Headlamp Control Circuit Low
- DTC B2578: Headlamp Control Circuit High
- DTC B2587: Parklamp Control Circuit Low
- DTC B2588: Parklamp Control Circuit High
- DTC B2602: Daytime Running Lamp Control Circuit Low
- DTC B2603: Daytime Running Lamp Control Circuit High
- DTC B2613: Passenger Compartment Dimming Input Circuit High
- DTC B2617: Passenger Compartment Dimming Circuit Low
- DTC B2618: Passenger Compartment Dimming Circuit High
- DTC B2627: Courtesy Lamps Output Circuit Low
- DTC B2628: Display Dimming Pulse Width Modulation (PWM) Output Circuit High
- DTC B2645: Ambient Light Sensor Circuit
- DTC B2647: Ambient Light Sensor Circuit Low
- DTC B2648: Ambient Light Sensor Circuit High
- DTC B2665: Parklamp Switch Circuit High
- DTC B2742: Front Fog Lamp Switch Circuit Low
- DTC B3840: Parklamp Signal Circuit Low
- DTC B3841: Parklamp Signal Circuit High
- DTC B3857: Headlamp High Beam Signal Circuit
- DTC P0504: Brake Switch Circuit 1-2 Correlation
- Symptoms - Lighting Systems
- Backup Lamps Always On
- Backup Lamps Inoperative
- Courtesy Lamps Always On
- Courtesy Lamps Inoperative
- Daytime Running Lamps (DRL) Inoperative
- Fog Lamps Always On
- Fog Lamps Inoperative
- 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
- High Beam Indicator Inoperative
- Illuminated Entry Lamps Inoperative
- Interior Backlighting Inoperative
- Interior Lamps Off Switch Inoperative
- Park Lamps Always On
- Park Lamps Inoperative
- Park Lamp Out Indicator Inoperative
- Park Lamps Inoperative - Output at Trailer/Upfitter Connector
- Reading Lamp(s) Inoperative
- Stop Lamps Always On
- Stop Lamps Inoperative
- Turn Signal Lamps and/or Indicators Inoperative
- Turn Signal Lamps Inoperative - Output at Trailer/Upfitter Connector
- Repair Instructions
- Stop Lamp Switch Adjustment
- Stop Lamp Switch Replacement
- Headlamp Switch Replacement
- Fog Lamp Switch Replacement - Front
- Daytime Running Lamps (DRL) Ambient Light Sensor Replacement
- Hazard and Turn Signal Flasher Replacement
- Console Lamp Replacement
- Courtesy Lamp Replacement - Instrument Panel - Left
- Courtesy Lamp Replacement - Instrument Panel - Right
- Instrument Panel (I/P) Compartment Lamp Switch Replacement
- Vanity Mirror Lamp Bulb Replacement
- Headlamp Assembly or Headlamp Bulb Replacement (Aztek)
- Headlamp Assembly or Headlamp Bulb Replacement (Rendezvous)
- Headlamp Aiming (Aztek)
- Headlamp Aiming (Rendezvous)
- Fog Lamp Replacement - Front (Aztek)
- Fog Lamp Replacement - Front (Rendezvous)
- Fog Lamp Aiming Procedure
- Park/Turn Signal Lamp Replacement (Aztek)
- Park/Turn Signal Lamp Replacement (Rendezvous)
- High Mounted Stop Lamp Replacement (Aztek)
- High Mounted Stop Lamp Replacement (Rendezvous)
- Cargo Lamp Replacement
- Backup Lamp Replacement
- License Lamp Replacement (Aztek)
- License Lamp Replacement (Rendezvous)
- Tail Lamp Assembly and /or Backup, Sidemarker, Stop, Turn Signal Bulb Replacement (Aztek)
- Tail Lamp Assembly and /or Backup, Sidemarker, Stop, Turn Signal Bulb Replacement (Rendezvous)
- Roof Side Rail Lamp Replacement
- Description and Operation
- Exterior Lighting Systems Description and Operation
- Interior Lighting Systems Description and Operation
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.