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 1PARK BRAKE SWITCH
1998 GMC Envoy 2WD V6-4.3L VIN W
Park Brake Switch
1998 GMC Envoy 2WD V6-4.3L VIN WSECTION Park Brake Switch
Input 1 (Part 1 Of 2):
Input 1 (Part 2 Of 2):
Range: SET/ RELEASED
The park brake switch information refers to the position of the park brake pedal.
SET displays when you depress the parking brake (switch closed).
RELEASED displays when you do not depress the parking brake switch (switch opened).
The BCM uses the data in order to control the operation of the following items:
^ The parking brake on warning light feature
^ The DRL system
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.