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 644 (VEHICLE DIAGNOSTIC INFORMATION - SCAN TOOL INFORMATION)SPECIFICATIONSELECTRONIC SUSPENSION CONTROL MODULE SCAN TOOL INFORMATION
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Electronic Suspension Control Module Scan Tool Information
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Electronic Suspension Control Module Scan Tool Information
WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
Electronic Suspension Control Scan Tool Data Parameters
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition ON | |||
| Battery Voltage Signal | - | Varies | This displays volts. This is the voltage input supplied to the driver door switch. |
| LF Damper Actuator Command | - | Varies | This displays %. This is the driver front damper actuator percentage. |
| LF Position Sensor | - | Volts | This displays Volts. This is the current driver front position voltage. |
| LR Damper Actuator Command | - | Varies | This displays %. This is the driver rear damper actuator percentage. |
| LR Position Sensor | - | Volts | This displays Volts. This is the current driver rear position voltage. |
| RF Damper Actuator Command | - | Varies | This displays %. This is the passenger front damper actuator percentage. |
| RF Position Sensor | - | Volts | This displays Volts. This is the current passenger front position voltage. |
| RR Damper Actuator Command | - | Varies | This displays %. This is the passenger rear damper actuator percentage. |
| RR Position Sensor | - | Volts | This displays Volts. This is the current passenger rear position voltage. |
| Vehicle Speed | - | 0 km/h (0 mph) | This displays km/h (mph). This is the current vehicle speed. |
Electronic Suspension Control Scan Tool Output Controls
| Output Control | Description |
|---|---|
| LF Damper Actuator Command | Commands the left front shock solenoid ON and OFF. |
| LR Damper Actuator Command | Commands the left rear shock solenoid ON and OFF. |
| RF Damper Actuator Command | Commands the right front shock solenoid ON and OFF. |
| RR Damper Actuator Command | Commands the right rear shock solenoid ON and OFF. |
| Reset Diagnostic Counter | Commands the module to reset the internal ignition cycle counter. This enables the module to set DTCs immediately by bypassing the requirement to see the fault condition for 3 consecutive ignition cycles before a DTC is set. Once the ignition is cycled the ignition cycle count is re-enabled. |
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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.