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 1047 (TRANSFER CASE - MP 1625/1626-NQF)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 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Scan Tool Output Controls
| Scan Tool Output Control | Additional Menu Selections | Description |
|---|---|---|
| Refer to the scan tool manual for complete scan tool operating instructions.
IMPORTANT:
Transmission must be in transmission neutral for any of these output controls to operate.
|
||
| 2WD High Indicator Light | - | This function allows the technician to command the 2WD high indicator light, within the transfer case shift control switch, on or off. |
| 4WD High Indicator Light | - | This function allows the technician to command the 4WD high indicator light, within the transfer case shift control switch, on or off. |
| 4WD Low Indicator Light | - | This function allows the technician to command the 4WD low indicator light, within the transfer case shift control switch, on or off. |
| ATC Motor Learn | - | This function allows the technician to command the transfer case shift control module to relearn the clutch status after the encoder motor, module, or transfer case is replaced. |
| Neutral Indicator Light | - | This function allows the technician to command the neutral indicator light, within the transfer case shift control switch, on or 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.