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 G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 845 (HYBRID CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL OUTPUT CONTROLS
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Scan Tool Output Controls
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Scan Tool Output Controls
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Engine Control Module (ECM) Hybrid
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| APM Mode High to Low | Engine Control Module, Special Functions, Hybrid Outputs | 36V DC to 12V DC |
| Auto Start/Stop Command | Engine Control Module, Special Functions, Hybrid Outputs | Commands Auto Start/Auto Stop |
| AUX. Trans. Pump | Engine Control Module, Special Functions, Hybrid Outputs | Commands the AUX. Transmission pump ON/OFF. |
| Batt End of Life Est Reset | Engine Control Module, Special Functions, Hybrid Outputs | Reset Battery life to 100 percent |
| Brake Pres. Sensor 2 Learn | Engine Control Module, Special Functions, Hybrid Outputs | Calibrates the brake pressure 2 sensor |
| Charge/Assist Gauge | Engine Control Module, Special Functions, Hybrid Outputs | Drives the gauge from minimum to maximum |
| Contactor Control | Engine Control Module, Special Functions, Hybrid Outputs | Commands the Hybrid Battery Contactor OPEN/CLOSED |
| Economy Mode Lamp | Engine Control Module, Special Functions, Hybrid Outputs | The scan tool commands the indicator ON/OFF. |
| Engine Clnt. Pump Relay | Engine Control Module, Special Functions, Hybrid Outputs | Command the Aux. Coolant ON/OFF |
| Hill Hold Lamp | The scan tool commands the indicator ON/OFF. | |
| Hood Ajar Lamp | Engine Control Module, Special Functions, Hybrid Outputs | The scan tool commands the indicator ON/OFF. |
| Hybrid Batt Charge Hrs | Engine Control Module, Special Functions, Hybrid Outputs | Resets Charged AMP hours with new battery. |
| Hybrid Batt Discharge Amp Hrs | Engine Control Module, Special Functions, Hybrid Outputs | Resets Discharged AMP hours with new battery. |
| Hybrid Batt SOC Low | Engine Control Module, Special Functions, Hybrid Outputs | Override SOC set point to 0 percent |
| Hybrid Batt SOC High | Engine Control Module, Special Functions, Hybrid Outputs | Override SOC set point to 100 percent |
| Hybrid Disable | Engine Control Module, Special Functions, Hybrid Outputs | Disables/Enables Hybrid Function. |
| SGCM Coolant Pump | Engine Control Module, Special Functions, Hybrid Outputs | Commands the SGCM coolant pump ON/OFF. |
| Starter Enable | Engine Control Module, Special Functions, Hybrid Outputs | Cranks Engine with Starter/Generator |
Starter/Generator Control Module (SGCM)
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| SGCM Field Current | Starter/Generator Control Module, Special Funcitons | Commands the Starter/Generator Field Current ON/OFF. |
Battery Energy Control Module (BECM)
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| Battery Pack Fan Speed | Battery Energy Control Module, Special Functions | Commands the Battery Pack Fan ON/OFF |
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.