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 MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 492 (LIGHTING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESHAZARD LAMPS MALFUNCTIONCIRCUIT/SYSTEM VERIFICATION
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Circuit/System Verification
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, command the listed turn signal lamps ON and OFF with a scan tool. The lamps should turn ON and OFF between the commanded states.
- LF Turn Signal
- RF Turn Signal
- LR Turn Signal
- RR Turn Signal
- If the lamps do not turn ON and OFF, refer to Turn Signal Lamps and/or Indicators Malfunction .
- Observe the scan tool Hazard Lamp Switch parameter while cycling the hazard switch ON and OFF. The parameter should change between Active and Inactive.
- If the parameter does not cycle between the specified values, refer to Hazard Switch Malfunction .
- Press and release the hazard switch. All applicable lamps should flash ON and OFF.
- If one or more of the lamps flash ON and OFF, refer to Turn Signal Lamps and/or Indicators Malfunction
- If none of the lamps flash ON and OFF, refer to Hazard Switch Malfunction .
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.