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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 135 (ENGINE CONTROLS - SELF DIAGNOSTICS - 8.1L)DIAGNOSTIC TESTSDTC P0802: TRANSMISSION CONTROL SYSTEM MIL REQUEST CIRCUIT OPENDESCRIPTION
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
DTC P0802: Transmission Control System Mil Request Circuit Open: Description
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Description
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Suburban, and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The Transmission Control Module (TCM) Malfunction Indicator Lamp (MIL) request circuit signals the Powertrain Control Module (PCM) that the TCM is requesting MIL illumination.
RENDER: 1.0x
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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.