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 MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1858 (VEHICLE DIAGNOSTIC INFORMATION)SPECIFICATIONSINSTRUMENT CLUSTER SCAN TOOL INFORMATION
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Instrument Cluster Scan Tool Information
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Instrument Cluster Scan Tool Information
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.
Instrument Panel Cluster Scan Tool Data Parameters
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition ON | |||
| Battery Voltage | - | Varies | This displays volts. This is the voltage input supplied to the instrument panel cluster. |
| Brake Fluid | - | OK | The scan tool displays OK or Low. This is the state of the brake fluid level. |
| Brake Fluid Switch | - | Varies | This displays volts. This is the voltage status of the brake fluid switch. |
| Brake System Fault Detected | - | ||
| DIC Fuel Info. | - | Inactive | The scan tool displays Active or Inactive. This is the state of the DIC Fuel Info. switch. |
| DIC Information Switch | - | Inactive | The scan tool displays Active or Inactive. This is the state of the DIC Information switch. |
| DIC Personalization | - | Off | The scan tool displays Active or Inactive. This is the state of the DIC Personalization switch. |
| Ignition 1 Input | - | Active | The scan tool displays Active or Inactive. This is the state of the Ignition 1 input to the instrument panel cluster. |
| Ignition Cycle Counter | - | Varies | The scan tool displays counts. This is the number of times the ignition has been cycled from the OFF to ON position. |
| Low Coolant Input | - | On | The scan tool displays Off and On. This is the status of the coolant level input. |
| Outside Air Temp. Filtered | - | Varies w/out side air temp. | The scan tool displays Fahrenheit or Celsius. This is the filtered outside air temperature as monitored by the IPC. |
| Outside Air Temp. Raw | - | Varies w/out side air temp. | The scan tool displays Fahrenheit or Celsius. This is the raw outside air temperature as monitored by the IPC. |
| Passenger Seatbelt Indicator Commanded | - | Off | This displays On or Off. This is the commanded state of the passenger seatbelt indicator. |
| Passenger Seatbelt Indicator Status | - | Off | This displays On or Off. This is the state of the passenger seatbelt indicator. |
| Set/Reset Switch | - | Inactive | The scan tool displays Active or Inactive. This is the state of the set/reset switch. |
Instrument Panel Cluster Scan Tool Output Controls
| Output Control | Description |
|---|---|
| Dimming | The IPC dims from 0-100 percent when you select INCREASE or DECREASE by 20 percent increments. |
| IPC Gauge Sweep Test | This output control is used to command the gauges in the instrument panel cluster from minimum to maximum when selected. |
| Lamp Test | The IPC illuminates the following indicators when you select On: ABS. Air Bag. Brake. CRUISE. Fasten safety belt. High beam. SECURITY. Upshift The indicators should illuminate until commanded Off. |
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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.