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 MANUALSGMC2004ENVOY 2WD L6-4.2L VIN SREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTRELAYS AND MODULES - ACCESSORIES AND OPTIONAL EQUIPMENTACCESSORY DELAY MODULETESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL DATA DEFINITIONS
2004 GMC Envoy 2WD L6-4.2L VIN S
Scan Tool Data Definitions
2004 GMC Envoy 2WD L6-4.2L VIN SSECTION Scan Tool Data Definitions
SCAN TOOL DATA DEFINITIONS
BCM SCAN TOOL DATA DEFINITIONS
Left Rear Door Ajar Sw.: Input from the left rear door/rear cargo showing the state of it.
RAP Relay: Output indicates the RAP Relay state that the control module has commanded.
Right Rear Door Ajar Sw.: Input from the right rear door indicating door status.
DDM/FPDM SCAN TOOL DATA DEFINITIONS
Door Ajar Switch: Input from the respective door switch showing the state of it.
LGM SCAN TOOL DATA DEFINITIONS
Liftgate Ajar Switch: Input from the liftgate ajar switch showing the state of it.
Liftglass Ajar Switch: Input from the liftglass ajar switch showing the state of it.
BCM SCAN TOOL DATA DEFINITIONS
Left Rear Door Ajar Sw.: Input from the left rear door/rear cargo showing the state of it.
RAP Relay: Output indicates the RAP Relay state that the control module has commanded.
Right Rear Door Ajar Sw.: Input from the right rear door indicating door status.
DDM/FPDM SCAN TOOL DATA DEFINITIONS
Door Ajar Switch: Input from the respective door switch showing the state of it.
LGM SCAN TOOL DATA DEFINITIONS
Liftgate Ajar Switch: Input from the liftgate ajar switch showing the state of it.
Liftglass Ajar Switch: Input from the liftglass ajar switch showing the state of it.
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.