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 1136 (VEHICLE DIAGNOSTIC INFORMATION)SPECIFICATIONSREAR SEAT HEATER CONTROL MODULE SCAN TOOL INFORMATION
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Rear Seat Heater Control Module Scan Tool Information
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Rear Seat Heater Control Module Scan Tool Information
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Rear Heated Seat Module
| Scan Tool Parameter | System State | Expected Value | Definition |
| Operating Conditions: Ignition ON/Engine OFF | |||
| Left Rear Seat HVC Mode | - | Off | The scan tool displays Off, Back & Cushion, Back Only and Cool. This is the state of the left rear seat HVAC mode. |
| Left Rear Seat HVC Level | - | High | The scan tool displays High, Medium and Low. This is the state of the left rear HVAC level when commanded on. |
| Left Rear Seat Back Heat Status | - | Inactive | The scan tool displays Active/Inactive. This is the state of the left rear seat back heat. |
| Left Rear Seat Cushion Heat Status | - | Inactive | The scan tool displays Active/Inactive. This is the state of the left rear seat cushion heat. |
| Seat Heat Supply Voltage | - | Inactive | The scan tool displays Active/Inactive. This is the state of the seat's heat supply voltage. |
| Right Rear Seat HVC Mode | - | Off | The scan tool displays Off, Back & Cushion, Back Only and Cool. This is the state of the right rear seat HVAC mode. |
| Right Rear Seat HVC Level | - | High | The scan tool displays High, Medium and Low. This is the state of the right rear HVAC level when commanded on. |
| Right Rear Seat Back Heat Status | - | Inactive | The scan tool displays Active/Inactive. This is the state of the right rear seat back heat. |
| Right Rear Seat Cushion Heat Status | - | Inactive | The scan tool displays Active/Inactive. This is the state of the right rear seat cushion heat. |
| Seat Heat Supply Voltage | - | Inactive | The scan tool displays Active/Inactive. This is the state of the seat's heat supply voltage. |
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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.