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.
Scan Tool Data Definitions
The Body Control Module (BCM) scan tool data definitions are a brief description of each of the window related parameters displayed within the scan tool data displays for the BCM.
- LR Window Down Cmd.
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This parameter indicates the commanded state of the left rear window down function.
- LR Window Enable Cmd.
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This parameter indicates the commanded state of the rear window lockout function.
- LR Window Up Cmd.
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This parameter indicates the commanded state of the left rear window up function.
- RR Window Down Cmd.
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This parameter indicates the commanded state of the right rear window down function.
- RR Window Enable Cmd.
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This parameter indicates the commanded state of the rear window lockout function.
- RR Window Up Cmd.
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This parameter indicates the commanded state of the right rear window up function.
The Driver Door Switch (DDS) scan tool data definitions are a brief description of each of the window related parameters displayed within the scan tool data displays for the DDS.
- Battery Voltage Signal
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The scan tool displays 9.0-16.0 volts. This is the state of charge of the vehicle battery.
- Driver LF Window Switch
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This parameter indicates the current status of the left front window switch.
- Driver LR Window Switch
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This parameter indicates the current status of the DDS left rear window switch.
- Driver RF Window Switch
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This parameter indicates the current status of the DDS right front window switch.
- Driver RR Window Switch
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This parameter indicates the current status of the DDS right rear window switch.
- Window Lockout Switch
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This parameter indicates the current status of the rear window lockout switch.
- Window Lockout Switch Indicator Command
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This parameter indicates the commanded state of the rear window lockout indicator.
The Passenger Door Switch (PDS) scan tool data definitions are a brief description of each of the window related parameters displayed within the scan tool data displays for the PDS.
- Battery Voltage Signal
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The scan tool displays 9.0-16.0 volts. This is the state of charge of the vehicle battery.
- Passenger Window Switch
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This parameter indicates the current status of the right front window switch.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.