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 MANUALSCADILLAC1997SEVILLE SLS V8-4.6L VIN YREPAIR AND DIAGNOSISBODY AND FRAMEBODY CONTROL SYSTEMSBODY CONTROL MODULEDESCRIPTION AND OPERATIONBODY CONTROL SYSTEM CIRCUIT DESCRIPTIONSYSTEM FUNCTIONS
1997 Cadillac Seville SLS V8-4.6L VIN Y
System Functions
1997 Cadillac Seville SLS V8-4.6L VIN YSECTION System Functions
The Body Control Module (PZM) performs the following functions:
^ HVAC afterBlow control
^ Battery guard
^ Door lock and unlock
^ Fuel level for DIC
^ Retained Accessory Power
^ Theft Deterrent
^ Exterior and Interior lighting control
^ Trunk Release
^ Time of day for Radio display
^ Rear Defog
^ Fuel Door release
^ Vehicle Personalization
^ HVAC afterBlow control
^ Battery guard
^ Door lock and unlock
^ Fuel level for DIC
^ Retained Accessory Power
^ Theft Deterrent
^ Exterior and Interior lighting control
^ Trunk Release
^ Time of day for Radio display
^ Rear Defog
^ Fuel Door release
^ Vehicle Personalization
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.