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 MANUALSGMC1998ENVOY 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULETESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL DATA DEFINITIONSINPUT 1LAST RFA CMD. SINCE WAKE-UP
1998 GMC Envoy 2WD V6-4.3L VIN W
Last RFA Cmd. Since Wake-Up
1998 GMC Envoy 2WD V6-4.3L VIN WSECTION Last RFA Cmd. Since Wake-Up
Input 1 (Part 1 Of 2):
Input 1 (Part 2 Of 2):
Range: NONE/ LOCK/ UNLOCK/ PANIC/ MANUAL RESYNC/ FOB PROGRAM/ DIAG ACKNOWLEDGE/ DIAG REQUEST
The Last RFA CMD. Since Wake-Up information refers to the last RFA commanded message from the BCM, since the BCM has achieved a Wake-Up status.
NONE is displayed when the BCM has awakened from the asleep statue without commanding a RFA module request. Messages result from a button press from a programmed RFA transmitter (key fob). The respective title is displayed when one of the following BCM button commands is pressed and the BCM is awake:
^ LOCK
^ UNLOCK
^ REAR
^ PANIC
RENDER: 1.0x
NO RELATED
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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.