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 G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 204 (VEHICLE DIAGNOSTIC INFORMATION)SPECIFICATIONSINSTRUMENT CLUSTER SCAN TOOL INFORMATION
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Instrument Cluster Scan Tool Information
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Instrument Cluster Scan Tool Information
WARNING: This page is about a different car, the 2008 Cadillac STS. 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 | Definition |
|---|---|---|---|
| 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. |
| 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. |
| End Model Part Number | - | Numeric | This displays the part number of the instrument panel cluster. |
| 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. |
| Odo/Trip Switch | - | Inactive | The scan tool displays Active or Inactive. This is the state of the odometer/trip switch. |
| 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. |
| Washer Fluid Level | - | OK | The scan tool displays OK or Low. This is the state of the washer fluid level. |
Instrument Panel Cluster Scan Tool Output Controls
| Scan Tool Output Control | Description |
|---|---|
| Dimming | The IPC dims from 0-100 percent when you select INCREASE or DECREASE by 20 percent increments. |
| Display Test | The instrument panel cluster (IPC) illuminates all of the display segments when you select On. |
| Display(s) Test | The instrument panel cluster (IPC) sweeps all gages when you select On. |
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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.